Ratchet wrench gears comprising floating-cam-driven adjustable j

Details Ratchet wrench gears comprising floating-cam-driven adjustable j Ratchet wrench gears comprising floating-cam-driven adjustable j

1997-08-15

1999-04-13

Meislin, D. S.

Tools

Wrench, screwdriver, or driver therefor

Handle clutched to head

81163, B25B 1346

Patent

active

058933069

ABSTRACT:
Ratchet wrench gears, for use in standard and pneumatic ratchet wrenches include adjustable jaws that may grip a fastener on at least four sides. The jaws travel on tracks or rails and open and close by means of threaded, floating-cams, which urge upon a protruding cam portion integral to the jaw body. The cams are driven axially by turning a threaded-stem-disc, which may comprise a hollow center, thus allowing for a "through-hole" feature. Various, optional compression-spring means are included to continually bias jaws toward an open position.

REFERENCES:
patent: 5207129 (1993-05-01), Fossella

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