Electropneumatic or electrohydraulic linear drive mechanism

Details Electropneumatic or electrohydraulic linear drive mechanism Electropneumatic or electrohydraulic linear drive mechanism

1990-11-06

1991-11-19

Look, Edward K.

Motors: expansible chamber type

Working member position feedback to motive fluid control

Electrical input and feedback signal means

91447, 91459, 92161, 92165R, 92 138, F15B 1300

Patent

active

050656635

ABSTRACT:
A linear drive mechanism has a combination of a drive cylinder, a drive rod stroke-limiting element, position sensors, a solenoid, and a terminal strip, together with internal wirings and hose connections. The drive mechanism can be arbitrarily arranged quickly and simply at a processing apparatus or assembly structure as a unit, and only a cable having the external signal and control lines as well as a supply line for the pressure agent need be connected thereto. No disturbing and involved wirings and position sensing elements therefore need be arranged in the actual tool region.

REFERENCES:
patent: 2575964 (1951-11-01), MacLean
patent: 2798688 (1957-07-01), Affleck
patent: 3830139 (1974-08-01), Wachsman et al.
patent: 4376450 (1983-03-01), Fayfield et al.
patent: 4794845 (1989-01-01), Vick
patent: 4987822 (1991-01-01), Stoll

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