Canadian Patents Database / Patent 2564152 Summary

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(12) Patent: (11) CA 2564152
(54) English Title: WEIGHT-ACTIVATED TYING SHOE
(54) French Title: CHAUSSURE A LACAGE COMMANDE PAR LE POIDS
(51) International Patent Classification (IPC):
  • A43C 11/00 (2006.01)
(72) Inventors :
  • LABBE, FREDERICK F.L. (Canada)
(73) Owners :
  • POWERLACE TECHNOLOGIES INC. (Canada)
(71) Applicants :
  • LABBE, FREDERICK F.L. (Canada)
(74) Agent: ROBIC
(45) Issued: 2014-07-29
(22) Filed Date: 2006-10-16
(41) Open to Public Inspection: 2008-04-16
Examination requested: 2011-10-12
(30) Availability of licence: N/A
(30) Language of filing: English

English Abstract



A weight-activated tying footwear (1) being worn on a foot of a user so as to
allow the user to easily tighten the footwear (1) around the foot. The
footwear
(1) includes a body (28) for receiving the foot. An activation device (2) is
connected to the sole (27) of the body (28), and is activated by the foot of
the
user. The activation device (2) operates between a raised or depressed
configuration, depending on the position of the foot in the footwear (1). A
tightening mechanism (30) within a vertical wall of the body (28) is
responsive
to the operation of the activation device (2). When the activation device (2)
is
in the raised configuration, the tightening mechanism (30) is loose around the

foot of the user. When the user depresses the activation device (2) in the
depressed configuration, the tightening mechanism (30) becomes tight
around the user's foot.


French Abstract

L'invention a trait à une chaussure à laçage commandé par le poids (1) portée sur un pied d'un utilisateur afin de permettre à ce dernier de serrer facilement la chaussure (1) sur le pied. La chaussure (1) comprend un corps (28) pour recevoir le pied. Un dispositif d'activation (2) est relié à la semelle (27) du corps (28) et il est activé par le pied de l'utilisateur. Le dispositif d'activation (2) fonctionne entre une configuration soulevée ou abaissée selon la position du pied dans la chaussure (1). Un mécanisme de serrage (30) dans une paroi verticale du corps (28) réagit au fonctionnement du dispositif d'activation. Lorsque le dispositif d'activation (2) est en configuration soulevée, le mécanisme de serrage (30) est lâche autour du pied de l'utilisateur. Lorsque l'utilisateur enfonce le dispositif d'activation (2) en configuration abaissée, le mécanisme de serrage (30) se serre autour du pied de l'utilisateur.


Note: Claims are shown in the official language in which they were submitted.

11

WHAT IS CLAIMED IS:
1. A weight-activated tying footwear for being worn on a foot of a user,
the
footwear comprising:
a body having a sole and at least two opposed vertical side walls
projecting substantially vertically from the sole so as to define a cavity for

receiving therein the foot of the user;
an activation device actuatable by the foot of the user, the activation
device being housed within the body and operable between a raised
configuration and a depressed configuration; and
at least one tightening mechanism housed within at least one vertical
side wall of the body at a vertical distance from the sole, the at least one
tightening mechanism functionally connectable to the body and operatively
responsive to the activation device such that the at least one tightening
mechanism tightens the body around the foot of the user when the activation
device transitions between the raised configuration to the depressed
configuration, and the at least one tightening mechanism loosens the body
around the foot of the user when the activation device transitions from the
depressed configuration to the raised configuration.
2. The weight-activated tying footwear according to claim 1, wherein the at

least one tightening mechanism comprises at least one side winch.
3. The weight-activated tying footwear according to claims 1 or 2, wherein
the at least one tightening mechanism comprises two side winches, each side
winch being oppositely and symmetrically housed in a corresponding vertical
side wall of the body at the vertical distance from the sole
4. The weight-activated tying footwear according to claims 2 or 3, wherein
each side winch comprises:

12
at least one tension element operatively linking the activation device to
the body;
a rotatable winding wheel for winding the at least one tension element
around the winding wheel when the activation device transitions from the
raised configuration to the depressed configuration thus tightening the body
around the foot of the user, and for unwinding the at least one tension
element around the winding wheel when the activation device transitions from
the depressed configuration to the raised configuration thus loosening the
body around the foot of the user; and
a locking device for removably engaging the winding wheel, the locking
device being operable between a locked configuration wherein the locking
device engages the winding wheel preventing its rotation when the activation
device is in the depressed configuration, and a rotatable configuration
wherein
the locking device selectively engages the winding wheel allowing it to freely

rotate when the activation device transitions from the raised configuration to

the depressed configuration.
5. The weight-activated tying footwear according to claim 4, wherein a
biasing element urges the locking device to removably engage the winding
wheel.
6. The weight-activated tying footwear according to claims 4 or 5, wherein
the footwear comprises a casing housing the winding wheel, the locking
device, and the biasing element.
7. The weight-activated tying footwear according to any one of claims 4 to
6, wherein the footwear comprises an untying pedal mounted onto the body
and functionally connected to the locking device, the untying pedal being
configured for alternating the locking device from the locked configuration to

rotatable configuration.

13
8. The weight-activated tying footwear according to claim 7, wherein the
untying pedal is connectable to the locking device by a connector.
9. The weight-activated tying footwear according to claims 7 or 8, wherein
the untying pedal is mounted to a rear of the body.
10. The weight-activated tying footwear according to any one of claims 4 to
9, wherein the at least one tension element and the connector are
attachments selected from the group consisting of cables, strings, chords, and

straps.
11. The weight-activated tying footwear according to any one of claims 4 to
10, wherein the rotatable winding wheel comprises a ratchet wheel and the
locking device comprises a ratchet pawl.
12. The weight-activated tying footwear according to any one of claims 1 to
11, wherein the activation device is made of a flexible material.
13. The weight-activated tying footwear according to any one of claims 1 to
12, wherein the activation device comprises an inner sole.
14. The weight-activated tying footwear according to any one of claims 1 to
13, wherein the activation device is connectable to the at least one
tightening
mechanism via a link plate.
15. The weight-activated tying footwear according to claim 14, wherein the
link plate is made of a rigid material.
16. The weight-activated tying footwear according to any one of claims 1 to
15, wherein the body further comprises a tongue for covering the cavity, the
tongue comprising at least one constricting device for tightening the tongue

14

around the foot of the user, wherein the at least one constrictor device is
selected from the group consisting of a strap, a tie, a belt, a lace, a
string, a
wire, a cable, and a hook-and-loop fastener
17 The weight-activated tying footwear according to claim 16, wherein the
at least one constricting device is connectable to an end of the at least one
tension element
18 The weight-activated tying footwear according to any one of claims 1 to
17, wherein the raised configuration is defined by a raised angle with respect

to the ground that is formed by the activation device when the foot of the
user
is removed from the body, and wherein the depressed configuration is defined
by the activation device being substantially parallel to the ground when the
foot of the user is received in the body

Note: Descriptions are shown in the official language in which they were submitted.

CA 02564152 2012-01-03
1
WEIGHT-ACTIVATED TYING SHOE
FIELD OF THE INVENTION:
The invention relates generally to footwear, but more particularly to a weight-

activated system intended to tie shoes, boots, snow shoes, etc.
BACKGROUND OF THE INVENTION:
Lacing shoes can be difficult or impossible for some people, and several
inventors have tried over the years to simplify the matter.
US patent application 2005/0198867 Al (now abandoned) by the present
inventor describes a self tying shoe where the lacing device is activated by
the weight of the user. The weight is transmitted to a mechanism located
within the sole, underneath the foot. The large number of moving parts makes
the mechanism vulnerable to breakage. In addition, the underneath location of
the mechanism causes some discomfort to the foot.
US patent 4,741,115 relates to a ski boot with an operating assembly for
closing and adjustment, and includes a power source supported by the ski
boot which operates a driving gearwheel which is selectively engageable with
driven gearwheels for winding the cables of closing and/or adjustment devices
of the boot.
US patent 5,205,055 concerns a shoe member including a plurality of
securement webs directed about a lacing gap within the shoe upper, wherein
the webs are each mounted slidably within associated cavities, with tether
lines mounted to the webs operative above a crank pulley. The crank pulley is
in operative engagement with a slidable actuator rod to effect projection of
the
securement webs forcibly within each respective cavity, wherein a gas

CA 02564152 2012-01-03
cylinder is operative to effect rotation of the crank pulley by the use of an
associated slide rod within a guide cylinder to effect winding of each
associated tether line relative to each associated securement web.
US patent 5,335,401 describes a device for quickly tightening shoelaces on a
shoe and for locking the tightened laces without the need for tying a bow or
other knot. The device includes a body unit with a slotted opening formed with

a chamfered edge along one side of the slot. A rotatable shaft which includes
a set of chamfered ridges rolls laterally across the width of the slot. A
shoelace introduced through the slot becomes pinched between the
chamfered edge of the slotted opening and the chamfered ridges of the shaft.
The shaft is spring biased to automatically lock the laces in place upon being

tightened to the desired tension. A quick release lever retracts the shaft to
unpinch the lace.
US patent 5,511,325 shows a shoe having a central rotary closure arranged
on the heel of the upper in the area above the location at which the heel bone

is received and having at least one tightening element which has a tightening
section running from the central rotary closure towards each side of the shoe.

The tightening sections are coupled by a coupling element with at least one
strap which runs from each tightening section or coupling element over the
instep and/or by the arch to the other tightening section or coupling element.
US patent 5,600,874 shows a central closing device for shoes with a
rotationally supported cord disc for at least one cord-type tensioning member
for closing the shoe in such a way that the number of rotations of the cord
disc
is limited without any increase in the space required. Both the cord disc and
a
stationary member each have mutually-cooperating tooth profiles having the
same tooth pitch but of different diameters. Located in the intermediate space

created due to the different diameters of the tooth profiles is an idling
pinion of

CA 02564152 2012-01-03
3
the same pitch, which meshes with the two tooth profiles. At least one stop is

provided to limit the travel of the idling pinion.
US patent 5,718,021 shows a device for tying a shoelace on a shoe. The
device includes a base and a cover hingedly mounted on the base so as to be
pivotable between an open position and a closed position. The base includes
a top surface, a bottom surface and first and second holes which are sized
and shaped so that the shoelace can be inserted therethrough. The cover
includes a top surface, a bottom surface and first and second pins which are
aligned so as to project into the first and second holes, respectively, when
the
cover is in the closed position. The cover also includes a locking tab which
engages with a tip on the base to releasably lock the cover in the closed
position.
US patent 5,839,210 shows a shoe incorporating adjustable straps that are
positioned to tighten the shoe casing around a wearer's instep. A retractor
mechanism incorporates elastic members. The elastic members are charged
when the wearer loosens the shoe by pulling on the straps. The stored energy
is released when a catch is disengaged and releases the elastic members to
tighten and cinch the shoe on the wearer's foot.
US patent 6,202,953 shows a footwear lacing system that includes a lace
attached to a tightening mechanism. The lace is threaded through a series of
opposing guide members positioned along the top of the foot and ankle
portions of the footwear. The lace and guide preferably have low friction
surfaces to facilitate sliding of the lace through the guide members so that
the
lace evenly distributes tension across the footwear member. The tightening
mechanism allows incremental adjustment of the tension of the lace. A
release mechanism allows a user to quickly loosen the lace.

CA 02564152 2012-01-03
,
4
US patent 6,467,194 shows an automated tightening shoe with crisscrossed
laces and a tightening mechanism which operates in one direction to cause
automatic tightening of the crisscrossed laces to tighten the shoe about a
wearer's foot, and which can be released easily so that the shoe can be
removed from the wearer's foot.
Some inventions involve a manual tightening mechanism which is integrated
into the outsole area while others use retractable heels latched on the shoe.
Still other systems use a central closing device that involves manual winding.

All these inventions need to be operated by hand. Another system involves
the use of pneumatic means.
Hence, in light of the aforementioned, there is a need for an improved
footwear which, by virtue of its design and components, would be able to
overcome or at least minimize some of the aforementioned prior art problems.
SUMMARY OF THE INVENTION
The object of the present invention is to provide a footwear, which by virtue
of
its design and components, satisfies some of the above-mentioned needs and
is thus an improvement over other related footwear and/or methods known in
the prior art, used for self-lacing or self-tightening, etc.
In accordance with the present invention, the above object is achieved, as
will
be easily understood, with a weight-activated tying footwear, such as the one
briefly described herein, and such as the one exemplified in the
accompanying drawings.
More particularly, and according to the present invention, there is provided a

weight-activated tying footwear for being worn on a foot of a user, the
footwear comprising:

CA 02564152 2012-01-03
=
a body having a sole and at least two opposed vertical side walls
projecting substantially vertically from the sole so as to define a cavity for

receiving therein the foot of the user;
an activation device actuatable by the foot of the user, the activation
device being functionally connectable to the sole of body and operable
between a raised configuration and a depressed configuration; and
at least one tightening mechanism housed within at least one vertical side
wall
of the body at a vertical distance from the sole, the at least one tightening
mechanism functionally connectable to the body and operatively responsive
to the activation device such that the at least one tightening mechanism
tightens the body around the foot of the user when the activation device
transitions between the raised configuration to the depressed configuration,
and the at least one tightening mechanism loosens the body around the foot
of the user when the activation device transitions from the depressed
configuration to the raised configuration.
Such a footwear and/or shoe provides an efficient way to tie shoes using the
weight of the user who, upon sliding his foot inside the shoe, will depress a
movable activation device. This activates a tightening mechanism preferably
comprising of a winch with a cable system used to close the body of the shoe
towards the user's foot, thus lacing the shoe. The user simply uses his weight
to activate the mechanism. Using his other foot, the user can move a pedal to
release the mechanism's tension.
The foregoing and other objects, features, and advantages of this invention
will become more readily apparent from the following detailed description of a

preferred embodiment with reference to the accompanying drawings, wherein
the preferred embodiment of the invention is shown and described, by way of
examples. As will be realized, the invention is capable of other and different

embodiments, and its several details are capable of modifications in various

CA 02564152 2012-01-03
6
obvious respects, all without departing from the invention. Accordingly, the
drawings and description are to be regarded as illustrative in nature, and not

as restrictive.
BRIEF DESCRIPTION OF THE DRAWINGS
Figure 1 is a perspective view of a weight-activated tying shoe according to a

preferred embodiment of the present invention.
Figure 2 is another perspective view of what is shown in Figure 1, an inner
sole of the shoe being shown in a downward position.
Figure 3 is an exploded perspective view of interior components of the shoe
shown in Figure 1.
Figure 4 is another exploded perspective view of interior components of the
shoe shown in Figure 1, an inner sole being shown in a downward position.
Figure 5 is a side elevational view of the shoe shown in Figure 1.
Figure 6 is another side elevational view of the shoe shown in Figure 1, a
tongue of the shoe being shown in a downward position.
Figure 7 is yet another exploded view of interior components of the shoe
shown in Figure 1.
DETAILED DESCRIPTION OF PREFERRED EMBODIMENTS OF THE
INVENTION
In the following description, the same numerical references refer to similar
elements. The embodiments, geometrical configurations, materials mentioned

CA 02564152 2012-01-03
7
and/or dimensions shown in the figures or described in the present description
are preferred embodiments only, given for exemplification purposes only.
Moreover, although the present invention was primarily designed for self-
tightening around the foot of the user from the application of the user's
weight,
via at least one tightening mechanism, it may be used for other types of
purposes and with other types of objects, and in other fields, as apparent to
a
person skilled in the art. For this reason, expressions such as "shoe",
"foot",
"sole", etc., used herein should not be taken as to limit the scope of the
present invention and includes all other kinds of objects or fields with which
the present invention could be used and may be useful.
Moreover, in the context of the present invention, the expressions "shoe",
"footwear", "boot", "sandal", and "slipper", as well as any other equivalent
expressions and/or compounds word thereof known in the art, will be used
interchangeably, as apparent to a person skilled in the art.
In addition, although the preferred embodiment of the present invention as
illustrated in the accompanying drawings may comprise various components,
and although the preferred embodiment of the weight-activated tying footwear
as shown consists of certain geometrical configurations as explained and
illustrated herein, not all of these components and geometries are essential
to
the invention and thus should not be taken in their restrictive sense, i.e.
should not be taken as to limit the scope of the present invention. It is to
be
understood, as also apparent to a person skilled in the art, that other
suitable
components and cooperation thereinbetween, as well as other suitable
geometrical configurations may be used for the weight-activated tying
footwear and corresponding components according to the present invention,
as will be briefly explained hereinafter and as can be easily inferred
herefrom

CA 02564152 2012-01-03
8
by a person skilled in the art, without departing from the scope of the
invention.
Having discussed some of the principal components and features of the
weight-activated tying shoe (1) according to the present invention, other
preferential embodiments will be further discussed hereinbelow.
Referring to Figure 1, a weight-activated lacing or tying shoe (1) is shown as
a
conventional shoe having a sole (27) and a body (28), preferably including a
tongue (29) and a holding rod (17), which acts as a guide and keeps the
tongue (29) open when the side or tightening mechanisms (30,31) are
released. The side mechanisms (30,31) are preferably connected to an inner
sole (2) by a cable (12), the inner sole (2) currently being shown in the "up"
or
"raised" position. The holding rod (17) is preferably integrated within a
standard tongue, typically found on a shoe, and two straps (15) are preferably

made of elastic material which prevents them from over tensioning. The
straps (15) passing through buckles (18) allow the user to adjust tension. An
untying pedal (20), located on the back of the outer sole (27), can act as a
release switch, which disengages the tightening mechanism (30,31). The
holding rod (17) is preferably a biasing means normally in an outward
configuration, as illustrated, and pulls on the straps (15).
Referring to Figure 2, when the inner sole (2) is in a downward or "depressed"
(i.e. depressed by the user's foot) position, the straps (15) are preferably
tied
or tightened around the tongue (29). The side mechanisms (30,31) are
preferably connected to the inner sole (2) by cable (12), the inner sole (2)
currently being shown in the down position.
Referring to Figure 3, the inner sole (2), currently shown in the up position,
is
preferably connected with at least one tension element, such as cables (12),

CA 02564152 2012-01-03
9
to a winding wheel, such as a ratchet wheel (24) which is symmetrical to the
ratchet wheel (5). A locking device, such as a ratchet pawl (7), currently
shown in a release or "rotatable" position, can act as a retainer to block
rotation of the ratchet wheel (5) When in the downward position. The ratchet
pawls (7) are preferably connected by cable (6) to the untying pedal (20).
Referring to Figure 4, the inner sole (2), currently shown in the down
position,
is preferably connected with cables (12) to the ratchet wheel (24) which is
symmetrical to the ratchet wheel (5). The ratchet pawl (7), currently shown in

the hold or "locked" position, can act as a retainer to block the rotation of
the
ratchet wheel (5) when in the downward position. The ratchet pawls (7) are
preferably connected by cable (6) to the untying pedal (20).
Referring to Figure 7, the symmetrical side or tightening mechanisms (30,31)
are preferably composed of a casing (4,23) in which the ratchet wheels (5,24),

ratchet pawl (7), spring (8), cover (9,25), and screw (10) fit. The ratchet
wheels (5,24) can act as a winch to wind the cables (12) around themselves.
The inside part of the cables (12) are preferably connected via crimped
sleeves (14) to the link plate (3), which is preferably made of rigid
material,
and which is preferably connected to the inner sole (2). When the weight of
the user is applied on the inner sole (2), it creates tension in cables (12)
which
can allow the ratchet wheels (5,24) to turn. When turning, the ratchet wheels
(5,24) act as a winch to wind the outside part of cables (12) around
themselves. The straps (15) are preferably connected to cables (12) by
hangers (11). When turning sufficiently, the ratchet wheels (5,24) preferably
interfere with ratchet pawls (7) so as to block the rotation of the ratchet
wheels
(5,24), thereby tying or tightening the shoe (1). Untying cables (6) with
crimp
sleeves (22) are preferably connected between the upper pedal (20) and the
lower pedal (19), which can be assembled with at least one screw (32) or
other mechanical fastener. The biasing element or spring (8) preferably

CA 02564152 2013-08-30
maintains a force on ratchets pawls (7) to ensure they remain in the tying
state. When the user pulls on pedal (19,20), it preferably in turn pulls on
ratchet pawls (7) to allow the ratchet wheel (5,24) to turn freely, thus
untying
or loosening the shoe (1). The symmetrical side tracks (16,26) can reduce
side pressure and friction. The straps (15) preferably pass through buckles
(18) so as to allow the user to adjust tension. A holding rod (17) can act as
a
guide and keep the tongue (29) open by creating reacting force in downward
position.
The scope of the claims should not be limited by the preferred embodiments
10 set forth in the examples, but should be given the broadest interpretation
consistent with the description as a whole.

A single figure which represents the drawing illustrating the invention.

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Admin Status

Title Date
Forecasted Issue Date 2014-07-29
(22) Filed 2006-10-16
(41) Open to Public Inspection 2008-04-16
Examination Requested 2011-10-12
(45) Issued 2014-07-29

Maintenance Fee

Description Date Amount
Last Payment 2018-10-11 $125.00
Next Payment if small entity fee 2019-10-16 $125.00
Next Payment if standard fee 2019-10-16 $250.00

Note : If the full payment has not been received on or before the date indicated, a further fee may be required which may be one of the following

  • the reinstatement fee set out in Item 7 of Schedule II of the Patent Rules;
  • the late payment fee set out in Item 22.1 of Schedule II of the Patent Rules; or
  • the additional fee for late payment set out in Items 31 and 32 of Schedule II of the Patent Rules.

Payment History

Fee Type Anniversary Year Due Date Amount Paid Paid Date
Filing $200.00 2006-10-16
Maintenance Fee - Application - New Act 2 2008-10-16 $50.00 2008-09-08
Maintenance Fee - Application - New Act 3 2009-10-16 $50.00 2009-10-13
Maintenance Fee - Application - New Act 4 2010-10-18 $50.00 2010-10-12
Request for Examination $400.00 2011-10-12
Maintenance Fee - Application - New Act 5 2011-10-17 $100.00 2011-10-12
Maintenance Fee - Application - New Act 6 2012-10-16 $100.00 2012-10-05
Maintenance Fee - Application - New Act 7 2013-10-16 $100.00 2013-10-15
Final $150.00 2014-05-12
Maintenance Fee - Patent - New Act 8 2014-10-16 $100.00 2014-10-15
Registration of Documents $100.00 2015-06-19
Maintenance Fee - Patent - New Act 9 2015-10-16 $100.00 2015-08-13
Maintenance Fee - Patent - New Act 10 2016-10-17 $125.00 2016-10-07
Maintenance Fee - Patent - New Act 11 2017-10-16 $125.00 2017-10-16
Maintenance Fee - Patent - New Act 12 2018-10-16 $125.00 2018-10-11
Current owners on record shown in alphabetical order.
Current Owners on Record
POWERLACE TECHNOLOGIES INC.
Past owners on record shown in alphabetical order.
Past Owners on Record
LABBE, FREDERICK F.L.
Past Owners that do not appear in the "Owners on Record" listing will appear in other documentation within the application.

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Abstract 2006-10-16 1 14
Description 2006-10-16 5 137
Claims 2006-10-16 1 31
Drawings 2006-10-16 7 279
Representative Drawing 2008-03-20 1 23
Cover Page 2008-04-10 1 48
Abstract 2012-01-03 1 22
Description 2012-01-03 10 416
Claims 2012-01-03 4 141
Description 2013-08-30 10 416
Drawings 2013-08-30 7 183
Representative Drawing 2014-07-03 1 16
Cover Page 2014-07-03 1 47
Correspondence 2006-11-15 1 12
Correspondence 2008-09-09 1 26
Fees 2008-09-08 1 45
Fees 2009-10-13 1 47
Fees 2010-10-12 1 26
Correspondence 2011-10-13 1 17
Correspondence 2011-10-04 4 105
Correspondence 2011-10-13 1 15
Prosecution-Amendment 2011-10-12 2 59
Correspondence 2011-10-24 1 89
Fees 2011-10-12 1 60
Correspondence 2011-10-12 4 134
Prosecution-Amendment 2012-01-03 31 1,180
Fees 2012-10-05 1 59
Prosecution-Amendment 2013-03-08 2 62
Prosecution-Amendment 2013-08-30 12 319
Fees 2013-10-15 1 56
Correspondence 2014-05-12 2 58
Fees 2014-10-15 1 39
Fees 2015-08-13 1 33
Fees 2016-10-07 1 33