Double-bow shoe lace device

Details Double-bow shoe lace device Double-bow shoe lace device

2001-08-03

2003-06-03

Brittain, James R. (Department: 3677)

Buckles, buttons, clasps, etc.

Drawstring, laced-fastener, or separate essential...

Includes separate device for holding drawn portion of lacing

C024S712500

Reexamination Certificate

active

06571438

ABSTRACT:

BACKGROUND OF THE INVENTION
1. Field of the Invention
The invention relates to a shoe lace device, more particularly to a double-bow shoe lace device for a shoe.
2. Description of the Related Art
Referring to
FIG. 1
, a conventional shoe lace device
1
of a shoe
4
includes a shoe lace
2
having first and second lace sections
201
,
202
, and a clamp member
3
. The first lace section
201
is strung on a shoe body
41
so as to form a criss-cross pattern on eyelet tabs
5
of the shoe body
41
. The second lace section
202
is formed as a simple loop, and has lower ends
2021
connected to the first lace section
201
, thereby anchoring the lower ends
2021
on the eyelet tabs
5
, respectively. The clamp member
3
, as shown in
FIG. 2
, includes an elongate casing
301
, a clamping block
302
, and a spring member
303
. The elongate casing
301
is formed with a lateral open end
3010
for receiving the clamping block
302
, a closed end
3011
opposite to the open end
3010
, and a vertically extending hole unit
301
′ for extension of the lower ends
2021
of the second lace section
202
therethrough. The clamping block
302
is slidably received in the open end
3010
of the casing
301
, and is formed with a vertically extending slot unit
3021
that corresponds to the hole unit
301
′ of the casing
301
for extension of the lower ends
2021
of the second lace section
202
therethrough. The spring member
303
is disposed in the casing
301
, and has opposite ends that abut respectively against the clamping block
302
and the closed end
3011
of the casing
301
. As such, the clamping block
302
is biased by the spring member
303
so as to misalign the slot unit
3021
from the hole unit
301
′ in order to clamp the second lace section
202
between the clamping block
302
and the casing
301
.
To tighten the shoe
4
, the clamp member
3
is forced to move downwardly along the second lace section
202
, thereby bringing the lower ends
2021
of the second lace section
202
closer together.
To loosen the shoe
4
, the clamping block
302
is operated to align the slot unit
3021
with the hole unit
301
′ against action of the spring member
303
, and the clamp member
3
is then moved upwardly along the second lace section
202
, thus permitting the lower ends
2021
of the second lace section
202
to move away from each.
Although the aforesaid shoe lace device
1
is easy to use, the simple loop configuration of the second lace section
202
has an unattractive appearance.
SUMMARY OF THE INVENTION
Therefore, the main object of the present invention is to provide a double-bow shoe lace device for a shoe.
Accordingly, a double-bow shoe lace device of this invention is adapted for use with a shoe having a pair of eyelet tabs. The shoe lace device comprises a shoe lace, a clamp member, and an assembly of two loops and a decorative knot between the loops. The shoe lace has first and second lace segments. The first lace segment is adapted to be strung on the shoe so as to form a criss-cross pattern on the eyelet tabs. The second lace segment includes first and second lace portions. Each of the first and second lace portions has a lower end connected to the first lace segment so as to be adapted to be anchored on a respective one of the eyelet tabs. The clamp member is sleeved slidably on at least one of the first and second lace portions. Downward movement of the clamp member along at least one of the first and second lace portions brings the lower ends of the first and second lace portions closer together for tightening the shoe. Upward movement of the clamp member along at least one of the first and second lace portions permits the lower ends of the first and second lace portions to move away from each other for loosening the shoe. The assembly is disposed on and externally of the clamp member.


REFERENCES:
patent: 743924 (1903-11-01), Pratt
patent: 3701572 (1972-10-01), Velasquez
patent: 4680835 (1987-07-01), Horng
patent: 5097573 (1992-03-01), Gimeno
patent: 6178606 (2001-01-01), Glendon
patent: 2343701 (2000-05-01), None

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