Self adjusting grooved pliers

Details Self adjusting grooved pliers Self adjusting grooved pliers

2006-03-28

2006-03-28

Meislin, Debra S (Department: 3723)

Tools

Tool jaw

Adjustable relationship between jaw

C081S407000, C081S411000

Reexamination Certificate

active

07017458

ABSTRACT:
Self adjusting grooved pliers include a first section having a jaw portion and a channel formed therethrough, adjacent the jaw portion and a second section having a jaw portion and a pivot extending therefrom. The pivot is slidably received in the channel to allow wider or narrower association between the jaw portion of the first section and the jaw portion of the second section. The pivot pivotally couples the first section to the second section for movement between an open position and a gripping position. A plurality of grooves is formed in the first section and a tongue extends from the second section. The tongue is received in one of the plurality of grooves, locking the pivot in position within the channel only upon the first section and the second section reaching the gripping position. A biasing assembly acts on the pivot, urging the pivot upward in the channel toward the jaw portion of the first section.

REFERENCES:
patent: 1508510 (1924-09-01), Edwards
patent: 2622464 (1952-12-01), Daugherty
patent: 3892150 (1975-07-01), Horton
patent: 4651598 (1987-03-01), Warheit
patent: 4662252 (1987-05-01), Warheit
patent: 4726265 (1988-02-01), Reich
patent: 4901609 (1990-02-01), Crum
patent: 4922770 (1990-05-01), Dlugolecki
patent: 5060543 (1991-10-01), Warheit
patent: 6019020 (2000-02-01), Liou
patent: 6101908 (2000-08-01), Azkona
patent: 2003/0101852 (2003-06-01), Martinka

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