Cam apparatus using an electromagnet and gears for decelerating

Details Cam apparatus using an electromagnet and gears for decelerating Cam apparatus using an electromagnet and gears for decelerating

1994-01-12

1996-07-02

Marmor, Charles A.

Machine element or mechanism

Gearing

Rotary bodies

F16H 5517

Patent

active

055311326

ABSTRACT:
A cam apparatus including a cam gear having a toothless area and teeth at a circumferential surface thereof and also having a first projection and a second projection on a surface thereof; a driving gear for engaging the teeth of the cam gear to rotate the cam gear by a driving force transmitted from a motor through a deceleration mechanism; a lever for engaging another surface of the cam gear thus to pivot in accordance with rotation of the cam gear; a lock lever having an end for sequentially engaging the first and the second projections of the cam gear while the driving gear is opposed to the toothless area of the cam gear; a spring for biasing the lock lever to engage the first projection; and an electromagnet for engaging another end of the lock lever. The lock lever is positioned to be released from the first projection and to engage the second projection before the driving gear engages the teeth of the cam gear when the electromagnet is turned ON.

REFERENCES:
patent: 5260844 (1993-11-01), Koga et al.
patent: 5307221 (1994-04-01), Mikawa et al.

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