Displaced force backing wedge

Details Displaced force backing wedge Displaced force backing wedge

2007-01-16

2007-01-16

Wilson, Lee D. (Department: 3723)

Implements or apparatus for applying pushing or pulling force

Miscellaneous

C254S028000, C254S120000

Reexamination Certificate

active

10937820

ABSTRACT:
Displaced force backing wedge with a rigid wedge shape, a rigid handle, the wedge shape having a plurality of rounded ridges extending from left to right at its top most surface. The wedge shape has a centrally located slot extending perpendicularly from the thin edge of the wedge to the center area of the wedge. The handle extends outward perpendicularly from a central portion of the thick side of the wedge. A preferred embodiment includes rounded ridges that run parallel to the front surface and start as a small radius and progress to larger radius.

REFERENCES:
patent: 1556584 (1925-10-01), Breeden
patent: 2239719 (1941-04-01), Jarrett
patent: 2379387 (1945-06-01), Tessier
patent: 4130270 (1978-12-01), Andersson
patent: 2005/0161647 (2005-07-01), Buch et al.

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