Tools – Wrench – screwdriver – or driver therefor – Slidable jaw adjustments
Patent
1996-09-11
1998-05-05
Smith, James G.
Tools
Wrench, screwdriver, or driver therefor
Slidable jaw adjustments
81142, B25B 1322
Patent
active
057460981
ABSTRACT:
The invention provides an adjustable spanner having one fixed jaw (11) and one movable jaw (12), the fixed jaw being mounted on or formed integrally with the body or handle (10) of the spanner, and the movable jaw being arranged to slide in the body or handle of the spanner relative to the fixed jaw, in which the movable jaw (12) is provided with a first set of serrations (15) and a locking member (17) provided with a second set of secretions (16) is movably mounted in the body of the spanner to move between a locking position in which said second set of serrations engage with said first set of serrations to lock the movable jaw (12) in an operative position, and a release position in which the second set of serrations are clear of said first set of serrations to allow adjusting movement of the movable jaw; wherein releasable locking means (21) is provided for locking the locking member (17) positively in said locking position.
REFERENCES:
patent: 951849 (1910-03-01), Sipos
patent: 2015895 (1935-10-01), Hagbo
patent: 3535959 (1970-10-01), Riza
patent: 4106372 (1978-08-01), Miller
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