Automatically disengageable gearing

Details Automatically disengageable gearing Automatically disengageable gearing

1983-09-27

1986-02-18

Capossela, Ronald C.

Machine element or mechanism

Gearing

Yieldability in gear trains

74406, 74422, F16H 5710

Patent

active

045705046

ABSTRACT:
Gearing mechanism providing for the automatic engagement and disengagement in a radial direction between successive gears in a gear train. A first gear, shown in the form of a rack gear, has a plurality of teeth traveling in a fixed path in space. Selectively meshing with the first gear is a second gear in the form of a pinion mounted upon a driving shaft, frictionally driven by the shaft, and having a degree of radial freedom of movement with respect to the shaft which is such that when the force opposing the driving of the first gear by the second gear exceeds a predetermined desired value the second gear is automatically driven out of mesh with the first gear. The two gears are restored to their initial meshing engagement by a further rotation of the second gear in the same direction through a predetermined angle.

REFERENCES:
patent: 959826 (1910-05-01), Willi
patent: 1486144 (1924-03-01), Jarrell
patent: 2376161 (1945-05-01), Maud et al.
patent: 3192799 (1965-07-01), Pamplin
patent: 3447388 (1969-06-01), Darnell
patent: 4273995 (1981-06-01), Devanney

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