Wrench having a ratchet head able to vertically and...

Details Wrench having a ratchet head able to vertically and... Wrench having a ratchet head able to vertically and...

2007-10-16

2007-10-16

Meislin, Debra S (Department: 3723)

Tools

Wrench, screwdriver, or driver therefor

Handle clutched to head

C081S177200, C081S177800

Reexamination Certificate

active

10769773

ABSTRACT:
A wrench having a ratchet head able to vertically and horizontally rotate for 360° includes a tang having a longitudinal slit of predetermined length in the center and a pair of symmetrical prongs integrated with a front end thereof for rotatably engaging with a drum-shaped ratchet head which has a solid rectangular driver on underside and a hexagonal box driver on the top, a handle slidably sleeved on the tang having a small upper through hole for disposing a pressed button and a large lower through hole in an underside a bolt inserted through the lower through hole, the slit and screwed with the press button, a positioning cap fixed within the large lower through hole and biased by a spring therebetween engageable within one of the retaining grooves under the tang.

REFERENCES:
patent: 1292285 (1919-01-01), Fairchild
patent: 1453607 (1923-05-01), Saucier
patent: 2977824 (1961-04-01), Rueb
patent: 4409866 (1983-10-01), McBride
patent: 5522287 (1996-06-01), Chiang

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