Machine element or mechanism – Gearing – Interchangeably locked
Patent
1980-03-04
1981-07-28
Bonck, Rodney H.
Machine element or mechanism
Gearing
Interchangeably locked
192 53F, F16D 1100, F16H 338
Patent
active
042803705
ABSTRACT:
A sliding gear keyed or splined to a main shaft has external teeth selectively engageable with either of two driving gears on a pair of continuously rotating countershafts and in its neutral position is releasably coupled by one or more ball checks to a surrounding control ring for joint axial motion. The ring is provided with beveled surfaces enabling its frictional rotary entrainment by similar surfaces of the driving gears upon a limited axial shifting of the sliding gear in one or the other direction. The control ring also has one or more internal ridges extending between teeth of the sliding gear for joint rotation therewith; in several embodiments, these ridges are sufficiently narrower than the spacing between adjacent gear teeth to allow for a limited relative rotation between ring and gear, the ridges then having retaining formations which prevent a relative axial shift into a meshing position of the sliding gear until synchronism has been achieved between the main shaft and the corresponding countershaft.
REFERENCES:
patent: 1737451 (1929-11-01), Clark
patent: 1744576 (1930-01-01), Rhett
patent: 2259527 (1941-10-01), Manville
patent: 2743625 (1956-05-01), Moffett
patent: 2930462 (1960-03-01), Willis
Hydrodynamischer Kupplungs-Wandler Mit Turbine, pp. 82-83.
"Principles of Automotive Vehicles", Manual TM9-8000 and TO36-1-76, published Jan., 1956, by Dept. of Army and Air Force, pp. 284-288.
Bonck Rodney H.
Ross Karl F.
Zahnradfabrik Friedrichshafen AG
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