Tools – Wrench – screwdriver – or driver therefor – Machine
Patent
1988-11-22
1990-05-01
Smith, James G.
Tools
Wrench, screwdriver, or driver therefor
Machine
81 581, B25B 1700
Patent
active
049208322
ABSTRACT:
A method and apparatus for tightening and loosening fasteners located in hard-to-reach locations, wherein either a direct driving means or an indirect driving means can be used to rotate the fastener into position. The indirect means is used to convert the direction of motion to drive the direct driving means.
REFERENCES:
patent: 1299491 (1919-04-01), Malchow
patent: 2696859 (1954-12-01), Somma
patent: 3532012 (1970-10-01), Pryor
patent: 4455896 (1984-06-01), Holmes
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