Extendable chassis

Patent · Tue Jan 13 00:00:00 EST 1987

OSTI ID:6987032

Bertolini, W A

This patent describes a chassis, comprising: a main frame; a wheeled underframe generally planar-parallel with respect to the main frame; means connecting the main frame to the underframe for relative movement between a retracted position and an extended position to decrease and increase the length of the chassis. An additional axle includes wheels, and a supporting means supports the additional axle for raising the wheels of the additional axle to a position off the ground upon retraction of the chassis and for lowering the wheels of the additional axle to a position on the ground upon extension of the chassis.

• Assignee: JD-Bertolini Industries, Ltd., Compton, CA
• Patent Number(s): US 4635742
• OSTI ID: 6987032
• Resource Relation: Patent File Date: Filed date 18 Jan 1985
• Country of Publication: United States
• Language: English

Related Subjects

33 ADVANCED PROPULSION SYSTEMS
TRUCKS
DESIGN
LENGTH
POSITIONING
SUPPORTS
WHEELS
DIMENSIONS
MECHANICAL STRUCTURES
VEHICLES
330601* - Vehicle Design Factors- Body & Chassis