Title: Position controller

Abstract: A device for infinitely controlling the position of a controlled member along its axis of movement. The device includes hydraulic actuators coaxially secured to the controlled member and a mechanically and/or manually actuated cylinder is fluidly connected to the hydraulic actuator so that by actuation of the cylinder, both the speed and the position of the controlled member along its axis of movement can be carefully controlled.

Do you think this is a good invention? Vote now:

Votes so far: For:(0) Against:(0)
Other info:

Inventors: Junttila, David W. (New Baltimore, MI, US)

Application Number: 731998
Filing Date: 1976-10-13
Publication_date: 1978-05-16
Assignee:
Primary Class(es): 60/567 91/453, 91/460, 91/461, 91/519, 251/57
Other Classes:
US Patent Ref:

2020951	Nov, 1935	Lemon	91/460.
2403391	Jul, 1946	Muir	91/461.
2414451	Jan, 1947	Christensen	137/255.
2879644	Mar, 1959	Caslow et al.	91/461.

Other Refs:
Primary Examiner: Geoghegan, Edgar W.
Assistant Examiner:
Attorney: Gifford, Chandler, Van Ophem, Sheridan & Sprinkle