Ratchet wrench having simplified adapter

Details Ratchet wrench having simplified adapter Ratchet wrench having simplified adapter

2006-02-21

2006-02-21

Thomas, David B. (Department: 3723)

Tools

Wrench, screwdriver, or driver therefor

Handle clutched to head

C081S063200

Reexamination Certificate

active

07000504

ABSTRACT:
A ratchet wrench includes a handle having a head, a hollow ratchet wheel rotatably received in the head and controlled by a control device, and a tool member engageable with a lower portion of the hollow ratchet wheel and having a stem engageable through the hollow ratchet wheel. A resilient and deformable ring member is attached onto the stem, and engageable through the ratchet wheel, and engageable with an upper portion of the hollow ratchet wheel, to quickly anchor the tool member to the hollow ratchet wheel with the ring member, and to prevent the tool members from being disengaged from the hollow ratchet wheel.

REFERENCES:
patent: 5901620 (1999-05-01), Arnold
patent: 6257096 (2001-07-01), Ling
patent: 6601476 (2003-08-01), Hu
patent: 6647831 (2003-11-01), Hu
patent: 6845691 (2005-01-01), Hsien
patent: 6868758 (2005-03-01), Chen

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