Sequence control mechanism employing gear mechanism

Details Sequence control mechanism employing gear mechanism Sequence control mechanism employing gear mechanism

1990-02-28

1991-07-16

Diehl, Dwight

Machine element or mechanism

Gearing

Interchangeably locked

74384, 360137, F16H 334

Patent

active

050314718

ABSTRACT:
A sequence control mechanism having a drive gear driven by a motor, a pivot arm mounted on a same shaft as that of the drive gear, a transmitting gear which is supported by a shaft mounted on the pivot arm and is cooperated with the drive gear, partly-toothless gears which are provided with toothed portions capable of stopping the idling operation of the transmitting gear and engaging with the transmitting gear and toothless portions permitting the idling operation, a first actuating mechanism which cooperates to engage with the partly-toothless gears as well as giving the partly-toothless gears the return force for positioning the toothed portions thereof on the idling track of the transmitting gear, and a second actuating mechanism which, when the transmitting gear passes the toothless portions of the partly-toothless gears, engages with the transmitting gear so that it is driven by the drive gear.
This mechanism makes it possible to perform the sequence control of a plurality of actuating portions by simple construction which controls the driving and, stopping of the motor in time and the switching of the rotating direction without a clutch mechanism or an electromagnet.

REFERENCES:
patent: 4525760 (1985-06-01), Nemoto et al.
patent: 4621535 (1986-11-01), Bronson et al.
patent: 4626937 (1986-12-01), Hutterer et al.
patent: 4788610 (1988-11-01), Arata
patent: 4819891 (1989-04-01), Kamijo
patent: 4843499 (1989-06-01), Ogawa
patent: 4858051 (1989-08-01), Fischer et al.
patent: 4862766 (1989-09-01), Molders

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