Intermittently rotary gearing

Details Intermittently rotary gearing Intermittently rotary gearing

1996-02-05

1997-08-05

Marmor, Charles A.

Machine element or mechanism

Mechanical movements

Rotary to intermittent unidirectional motion

74113, 74393, 74665GA, 185 40R, F16H 3302, F16H 3502

Patent

active

056531427

ABSTRACT:
To provide an intermittently rotary gearing that converts rotary motion of a motor to intermittent rotary motion by utilizing a mechanical structure, an input shaft interlocking with a drive shaft of the motor is provided, a first gear and a second gear both interlocking with the input shaft when at least the input shaft is rotated in the power output direction of the motor are provided around the input shaft, and a first coiled spring is fitted to the first gear and second gear so as to extend over the bosses thereof. A first divisional shaft and a second divisional shaft are provided in parallel to the input shaft and also coaxially to each other. A third gear rotatable in the same direction as the first gear via an interlocking means is provided around the first divisional shaft, a fourth gear engaging with the second gear and rotatable in the direction opposite to that of the second gear is provided around the second divisional shaft, and a second coiled spring is fitted to the third gear and fourth gear so as to extend over the bosses thereof. A one-way clutch is fitted around the first divisional shaft and around which the third gear is fitted and/or a one-way clutch is fitted around the second divisional shaft and around which the fourth gear is fitted.

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