Positioning mechanism for a vehicle

Motor vehicles – Special driving device – Stepper

Reexamination Certificate

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Details

C180S008300, C180S008500, C180S008600, C280S763100, C280S762000, C280S766100

Reexamination Certificate

active

11337988

ABSTRACT:
The invention contemplates a selectably operable hydraulic means for laterally shifting one end of a non-moving vehicle in order to provide a desired alignment. The present invention is particularly applicable to vehicle-mounted equipment which has an invariant lateral mounting position on the vehicle and which must be laterally aligned with a stationary workpiece axis. An example of such a need occurs with mobile workover rigs used in well maintenance.

REFERENCES:
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patent: 4444416 (1984-04-01), Soderstrom
patent: 4708362 (1987-11-01), Raetz
patent: 5622235 (1997-04-01), Merritt
patent: 6079510 (2000-06-01), Miyamoto
patent: 6089603 (2000-07-01), Ackley
patent: 6092975 (2000-07-01), Cannon et al.
patent: 6481749 (2002-11-01), Ahlers et al.
patent: 6802535 (2004-10-01), Alguera Gallego et al.
patent: 6811161 (2004-11-01), Anderson
patent: 7073821 (2006-07-01), Lagsdin

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