B - Operations – Transporting – 25 – B
Patent
B - Operations, Transporting
25
B
81/41
B25B 13/46 (2006.01) F16D 41/08 (2006.01) F16D 41/16 (2006.01)
Patent
CA 1042238
IMPROVED REVERSING RATCHET ABSTRACT A ratchet is provided in which directional indexing is achieved by rotation of an indexing member in the rotational direction in which it is desired to rotate a workpiece. Locking in an indexing position is achieved by means of detent mechanisms situated in a channel extending through a guide element and biased radially outward therefrom to interact with said indexing member. A pawl is provided within a cavity defined between a guide element extending from a torque transmitting member and an encircling annular ring at the end of the work handle. One surface of the pawl is of arcuate configuration equipped with ratchet teeth engageable with corresponding ratchet teeth on the interior surface of the annular ring of the work handle. An opposing surface of the pawl is of overall convex configuration so that the pawl may be rolled across a planar bearing surface of the guide element under the influence of the directional indexing member. In this manner engagement of a workpiece may be effected by the torque transmitting member as desired in either of two opposing directions of rotation.
271598
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