Multi-functional ratchet wrench

Details Multi-functional ratchet wrench Multi-functional ratchet wrench

2006-08-15

2006-08-15

Wilson, Lee D. (Department: 3723)

Tools

Wrench, screwdriver, or driver therefor

Handle clutched to head

C081S063200, C081S062000

Reexamination Certificate

active

07089829

ABSTRACT:
A multi-functional ratchet wrench has a wrench body, a ratchet, a pawl, a trigger, a lug connector and a socket connector. The wrench body has a head in which the ratchet is rotatably mounted and the pawl control the direction of rotation when moved by the trigger connected to the pawl. The lug connector is formed on one side of the ratchet, and the socket connector formed on the opposite side of the ratchet. The socket connector comprises a connecting tube, an outer collar and a latching device. The connecting tube selectively holds a tool bit. The outer collar is mounted slidably on the connecting tube. The latching device is clamped between the connecting tube and the outer collar to cause the outer collar to stay in position to hold the tool bit in the connecting tube. Thereby, the ratchet wrench can selectively use different tool bits.

REFERENCES:
patent: 3572188 (1971-03-01), Christian, Jr.
patent: 4781083 (1988-11-01), Cummings
patent: 5125297 (1992-06-01), Bai et al.
patent: 5211087 (1993-05-01), Thomason
patent: 6053077 (2000-04-01), Huang
patent: 6295895 (2001-10-01), Hejninger
patent: 6431031 (2002-08-01), Hu
patent: 2006/0011019 (2006-01-01), Chen

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