Tools – Wrench – screwdriver – or driver therefor – Slidable jaw adjustments
Patent
1998-11-13
2000-06-27
Meislin, D.S.
Tools
Wrench, screwdriver, or driver therefor
Slidable jaw adjustments
81133, B25B 1314
Patent
active
060793007
ABSTRACT:
An adjustable wrench includes a handle, a head connected to the handle and including a fixed jaw formed thereon and a movable jaw mounted thereon, an adjusting screw rotatably mounted in a web area between the handle and the head for moving the movable jaw relative to the fixed jaw, and a clearance retaining device having an end releasably engaged with the adjusting screw. The clearance retaining device is normally in a first free position not engaged with the adjusting screw. When the clearance retaining device is moved to a second retained position for fine adjustment, the adjusting screw is rotated through a pre-determined angle such that the movable jaw is slightly moved away from the fixed jaw for a pre-determined distance. The clearance retaining device is retained in the second retained position by the adjusting screw after such fine adjustment.
REFERENCES:
patent: 1512846 (1924-10-01), Gumprecht
patent: 2483917 (1949-10-01), Maselter
patent: 2648243 (1953-08-01), Chappel
patent: 2755693 (1956-07-01), Hund
patent: 2780124 (1957-02-01), Lyons
patent: 2808751 (1957-10-01), Fercana
patent: 2913942 (1959-11-01), Rozmus
patent: 4094215 (1978-06-01), Hudson
patent: 5154103 (1992-10-01), Lewis, Jr.
patent: 5209144 (1993-05-01), Lu Guoji
Baxley Esq. Charles E
Meislin D.S.
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