Vehicle cab suspension unit

Details Vehicle cab suspension unit Vehicle cab suspension unit

1998-04-10

1999-09-28

Culbreth, Eric D.

Motor vehicles

Bodies

Movable cab or operator's station

180 8913, 180 8916, 26714011, 296 351, 29619006, 29619007, B62D 33063

Patent

active

059572310

ABSTRACT:
A vehicle cab suspension unit has a foundation which is secured to an outer rail of the frame of the vehicle and pivotally connects one end of a track arm. The other end of the track arm is supported above the foundation by an air spring, and a cab support yoke is pivotally connected between the ends of the track arm so as to support and secure the cab at a position along the track arm between its ends. Shock absorbers are provided between the foundation and the cab support yoke on both sides of the track arm. A height control valve maintains the height of the suspension unit and elastomeric snubbers on the foundation provide limits to the range of travel of the unit.

REFERENCES:
patent: 3944017 (1976-03-01), Foster
patent: 4989684 (1991-02-01), Conaway
patent: 5109939 (1992-05-01), Conaway et al.
patent: 5176417 (1993-01-01), Bauer
patent: 5209316 (1993-05-01), Bauer
patent: 5253853 (1993-10-01), Conaway et al.
patent: 5579860 (1996-12-01), Halverson et al.
Applicant's Exhibit 1, Power-Packer, a Unit of Applied Power Inc., CabCushion.TM. Air Cab Suspension Product Catalog, dated Jul. 1996.

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