Programmable ride control

Details Programmable ride control Programmable ride control

1994-07-12

1996-05-28

Underwood, Donald W.

Material or article handling

Vertically swinging load support

Shovel or fork type

414719, 60413, E02F 300

Patent

active

055204996

ABSTRACT:
The present invention provides a ride control 100 for a machine having an implement and a hydraulic lift cylinder. The hydraulic lift cylinder is adapted for moving the implement to and between a plurality of positions. The ride control is controllable between a RIDE CONTROL ON mode, a RIDE CONTROL OFF mode and a RIDE CONTROL PROGRAM mode. In the RIDE CONTROL ON mode, the ride control connects and disconnects an accumulator from the hydraulic lift cylinder circuit as a function of machine velocity. In the RIDE CONTROL OFF mode, the ride control disconnects the accumulator from the hydraulic lift cylinder circuit. In the RIDE CONTROL PROGRAM mode, the ride control sets the threshold for activation of the ride control to the current machine velocity.

REFERENCES:
patent: 3122246 (1964-02-01), Freedy et al.
patent: 4953723 (1990-09-01), Saotome et al.
patent: 5116188 (1992-05-01), Kurohashi et al.
patent: 5147172 (1992-09-01), Hosseini

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