Ratchet wheel structure

Details Ratchet wheel structure Ratchet wheel structure

2006-04-11

2006-04-11

Wilson, Lee D. (Department: 3723)

Tools

Wrench, screwdriver, or driver therefor

Handle clutched to head

C081S119000, C081S176100

Reexamination Certificate

active

07024967

ABSTRACT:
A ratchet wheel structure includes a latch edge, a containing groove and a groove coupled in sequence, and the latch edge disposed at an internal periphery of the ratchet wheel is a flange, and the containing groove is disposed between the latch edges, and the groove is protruded from the middle of a protruded surface of the latch edge for dividing the latch edge into two.

REFERENCES:
patent: 6341543 (2002-01-01), Hsieh
patent: 6575059 (2003-06-01), Liu
patent: 6668686 (2003-12-01), Hsien

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