Direction control device of ratchet spanner

Details Direction control device of ratchet spanner Direction control device of ratchet spanner

2006-08-29

2006-08-29

Hail, III, Joseph J. (Department: 3723)

Tools

Wrench, screwdriver, or driver therefor

Handle clutched to head

C081S060000, C081S061000, C081S062000, C081S063000, C081S063100

Reexamination Certificate

active

07096763

ABSTRACT:
The direction control device comprises a spanner body having a receiving chamber at a head portion thereof; a lateral side of the receiving chamber formed with a braking groove; the spanner body having a direction control groove communicated to the braking groove; a ratchet wheel being received in the receiving chamber and a brake block being received in the braking groove; the brake block being engaged to the ratchet wheel; a direction control unit received in the direction control groove; the direction control unit including a direction control block, a control sheet, and an elastic ejecting device; one end of the direction control block being formed with a control portion; and an upper end of the brake block capable of engaging with a ratchet wheel; a lower end of the brake block having an inserting hole and the brake block being formed with a notch near the inserting hole.

REFERENCES:
patent: 6382052 (2002-05-01), Chen
patent: 6453779 (2002-09-01), Hu
patent: 6609444 (2003-08-01), Hsien

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