Expandable and compressible carrier

Details Expandable and compressible carrier Expandable and compressible carrier

1991-10-16

1992-06-23

Mitchell, David M.

Land vehicles

Wheeled

Extensible

280659, 211201, B62B 302

Patent

active

051236656

ABSTRACT:
An improved expandable and compressible carrier which is expanded and compressed in all three dimensions. The carrier structure includes multiple but identical components for economy in cost of manufacture. The carrier may be expanded and compressed manually or by one or more motors. Carrier components are interconnected such that by movement of components in one dimension, the carrier expands or contacts in the other two dimensions.

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patent: 4845804 (1989-07-01), Garrett
patent: 5016893 (1991-05-01), Hart
patent: 5033758 (1991-07-01), Levy

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