Positioning apparatus using a hydraulic actuator

Details Positioning apparatus using a hydraulic actuator Positioning apparatus using a hydraulic actuator

1983-04-06

1986-06-17

Gruber, Felix D.

Boots, shoes, and leggings

251 60, 25112904, 364167, F16K 3102, F16K 31122, G05D 300, G05B 1500

Patent

active

045959790

ABSTRACT:
A positioning apparatus using a hydraulic actuator. For positioning an object to the desired position with high accuracy, the apparatus has means for computing the position at which the operation for stopping the operation of the hydraulic actuator is to be carried out in order to position the object at the desired position. The operation of the hydraulic cylinder is rendered to stop when the position has reached the computed position, whereby to enable the object to accurately position at the desired position at relatively high speed.

REFERENCES:
patent: 3454752 (1969-07-01), Zavod
patent: 3664358 (1972-05-01), Kosugi et al.
patent: 3699989 (1972-10-01), O'Connor et al.
patent: 4017056 (1977-04-01), Schwalenstocker et al.
patent: 4025763 (1977-05-01), Kleiss
patent: 4187454 (1980-02-01), Ito et al.
patent: 4287812 (1981-09-01), Iizumi
patent: 4376450 (1983-03-01), Fayfield et al.
patent: 4502109 (1985-02-01), Delmege et al.

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