Tadeusz Leon Mazurek, Age 6317171 Wilson Ave, Eastpointe, MI 48021
Tadeusz Mazurek Phones & Addresses
17171 Wilson Ave, Eastpointe, MI 48021 (586) 774-1656
East Detroit, MI
Detroit, MI
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Us Patents
Adjustable Ratchet Wrench For Keyed Shafts
US Patent:
4873899, Oct 17, 1989
Filed:
Dec 18, 1987
Appl. No.:
7/134882
Inventors:
Tadeusz L. Mazurek - Hamtramck MI
International Classification:
B25B 1346
B25B 1316
B25B 1358
B25B 1316
B25B 1358
US Classification:
81 63
Abstract:
An adjustable ratchet wrench (10) for turning a shaft (12) having a key (14). The ratchet wrench (10) includes a socket element (22) received within the head (18) of the wrench. The socket element (22) has an inner diameter (24) in which a key receiving slot (27) is formed. The socket element (22) is operatively connected to the head (18) by a ratchet mechanism (28). The inner diameter (24) of the socket element (22) is effectively modified by positioning a crescent block (38) within the inner diameter (24) of the socket element (22). The crescent block may take the form of a jaw (39) or a bushing (52). The jaw may include one or two jaws which are shifted radially by an adjustment screw (45) relative to the socket element (22). The bushing (52) includes a retention mechanism (56, 57) for securing it within the inner diameter (24) of the socket element (22).
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