Full face pad

Details Full face pad Full face pad

1999-10-25

2001-10-16

Hail, III, Joseph J. (Department: 3723)

Work holders

Operator supported

Handle manipulation for jaw actuation

C269S147000, C269S148000, C269S149000, C269S283000, C269S096000

Reexamination Certificate

active

06302386

ABSTRACT:

BACKGROUND OF THE INVENTION
1. Field of the Invention
This invention relates to a full face pad for attachment to a clamping jaw.
2. Discussion of Related Art
Bar clamps and C-clamps typically employ a fixed jaw and a movable jaw that is movable towards the fixed jaw. When an object is placed between the fixed and movable jaw, the movable jaw is moved towards the fixed jaw until both jaw contact the object. There is often a concern that the pressing of the jaws against the object will damage the object. In order to alleviate this concern, plastic pads have been placed on the jaws. Examples of such plastic pads are the full face pads manufactured by American Tool Companies, Inc. which are used with the bar clamps manufactured by Petersen Manufacturing Co., Inc. made under the QUICK-GRIP® trademark. Another design for full face pads is disclosed in U.S. Design Pat. No. D 341,069.
SUMMARY OF THE INVENTION
One aspect of the present invention regards a full face clamp pad having an engagement surface, a first wall attached to and extending away from the engagement surface and a second wall attached to and extending away from the engagement surface, wherein the first wall is separated from and faces the second wall. The full face pad also includes a bar extending from the first wall to the second wall and spaced from the engagement surface so that the bar, first wall, second wall and engagement surface define an opening.
Another aspect of the present invention regards a full face clamp pad having an engagement surface and a receiving element attached to the engagement surface, wherein the receiving element defines a closed opening that faces the engagement surface. The engagement surface and the receiving element define a second opening that faces in a direction substantially parallel to the engagement surface.
A third aspect of the present invention regards a fill face clamp pad that includes an engagement surface and first and second walls attached to and extending away from the engagement surface, wherein the first wall is separated from and faces the second wall. The full face clamp pad further includes a first ledge portion attached to the first wall, spaced from the engagement surface and extending toward the second wall and a second ledge portion attached to the second wall, spaced from the engagement surface and extending toward the first wall.
All three aspects of the above-mentioned invention present the advantage of improved securement of a full face clamp pad to a clamping jaw.


REFERENCES:
patent: D. 274034 (1984-05-01), Lacina
patent: D. 331180 (1992-11-01), Sorensen
patent: D. 340851 (1993-11-01), Sorensen
patent: D. 341069 (1993-11-01), Sorensen
patent: D. 366819 (1996-02-01), Wooster, Jr. et al.
patent: D. 366820 (1996-02-01), Wooster, Jr. et al.
patent: 2190585 (1940-02-01), Rhinevault
patent: 2258686 (1941-10-01), Olney
patent: 2340316 (1944-02-01), Fest
patent: 2519107 (1950-08-01), Brown
patent: 2766649 (1956-10-01), Labry, Jr.
patent: 2778257 (1957-01-01), Linskey et al.
patent: 2796787 (1957-06-01), Aske
patent: 4252305 (1981-02-01), Pasch
patent: 4905550 (1990-03-01), Albrecht
patent: 5143359 (1992-09-01), Bush
patent: 5243883 (1993-09-01), Savage
patent: 5988616 (1999-11-01), Fuller et al.
patent: 6012712 (1999-11-01), Bernstein
patent: 6123326 (2000-09-01), Kleinbongartz
patent: 296 16 425 (1997-06-01), None
American Tool Catalog, published by American Tool Companies, Inc., pp. 10-11 and 13. It is believed that the catalog was published before Jun. 26, 1997.
Seven Photographs of a clamping pad with a side opening and a ridge near the opening. The pad shown in the photographs is believed to have been first available to the public in 1991.

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