Machine element or mechanism – Elements – Pawls and ratchets
Reexamination Certificate
2007-06-26
2007-06-26
Luong, Vinh T. (Department: 3682)
Machine element or mechanism
Elements
Pawls and ratchets
C081S063200, C081S063100, C081S062000, C081S061000, C074S575000, C074S57700S, C074S578000
Reexamination Certificate
active
10219135
ABSTRACT:
A ratcheting tool includes a handle and a head with a compartment. A drive member includes a first end extended beyond the compartment, a second end extended beyond the compartment, and a gear wheel formed between the first end and the second end. The gear wheel is rotatably mounted in the compartment and includes a toothed outer periphery. A pawl is mounted in the compartment and includes a toothed side facing the gear wheel teeth. The toothed side of the pawl includes a first teeth portion having a first center of curvature and a second teeth portion having a second center of curvature located at a position different from the first center of curvature.
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Conley & Rose, P.C.
Luong Vinh T.
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