Implements or apparatus for applying pushing or pulling force – Device or member for contacting and guiding moving cable – Including rotatable – cable contacting – pulley wheel element
Patent
1974-11-08
1976-11-23
Burr, Edgar S.
Implements or apparatus for applying pushing or pulling force
Device or member for contacting and guiding moving cable
Including rotatable, cable contacting, pulley wheel element
37103, 92117R, 92118, 254 93R, 280456R, 280468, E02F 502, F15B 1500
Patent
active
039932060
ABSTRACT:
An elongated, generally horizontal frame is provided with latch means at each end. An equipment mounting frame is mounted on the elongated frame for movement to selected positions therealong from adjacent one end to adjacent the other end of the elongated frame; a hydraulic cylinder is pivotally mounted on the equipment mounting frame, about a generally horizontal axis proceeding transversally. Piston rods extend in opposite axial directions from a piston slidingly received in the cylinder. Cooperating latch means are provided on the outer ends of the two piston rods. The equipment mounting frame is moved along the elongated frame by latching one piston rod end or the other in one of the latch means of the elongated frame and applying hydraulic fluid to the cylinder to relatively extend or retract the latched piston rod. Latching and unlatching are accomplished by temporarily tilting the cylinder from horizontal (e.g. left end down, right end up) about the cylinder pivot mounting sufficiently to engage or disengage the respective latch means. Typically, the generally horizontal frame is provided at the rear of a tractor and an excavating back hoe is mounted on the equipment mounting frame.
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B382,840, Jan. 1975, Friedebach, 280/456 R.
Jomen Katsumasa
Sunaga Keitaro
Bratlie Steven A.
Burr Edgar S.
Mitsubishi Jukogyo Kabushiki Kaisha
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