Machine element or mechanism – Gearing – Plural power paths to and/or from gearing
Patent
1983-11-30
1986-03-11
Braun, Leslie A.
Machine element or mechanism
Gearing
Plural power paths to and/or from gearing
74784, 74802, F16H 356, F16H 5710
Patent
active
045746575
ABSTRACT:
A motor operated hand tool for tightening and loosening threaded fasteners and comprising a housing having opposed input and output ends, an input spindle slidably, rotatably mounted in the input end of the housing, and an output spindle rotatably mounted in the output end of the housing. A stationary compound gear set is fixedly mounted inside the housing at the output end coaxial with the output spindle. A driving gear is fixedly mounted to an inside end of the output spindle. A rotatable compound gear set is rotatably coupled to an inside end of the input spindle and has an axis of rotation offset from and parallel to an axis of rotation of the input spindle. The second compound gear set is selectively engageable with the stationary compound gear set and the driving gear.
REFERENCES:
patent: 1803235 (1931-04-01), Cotal
patent: 1905952 (1933-04-01), Scott
patent: 3109325 (1963-11-01), Holtan
patent: 3143899 (1964-08-01), York
patent: 3438284 (1969-04-01), Bentley
patent: 3481222 (1969-12-01), Baron
Product Engineering, "Record Gear Ratios", Sigmund Rappaport, p. E88, Jun. 22, 1959.
Braun Leslie A.
Diehl Dwight G.
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