Trolley base with height adjuster

Details Trolley base with height adjuster Trolley base with height adjuster

1987-04-14

1988-10-25

Love, John J.

Land vehicles

Wheeled

Extensible

108118, 108147, 248422, 254102, B62B 300

Patent

active

047798785

ABSTRACT:
A trolley base has upright sides, made from frame members and base support members supported on wheels. The upper parts of the sides are slidable in the frame members to give height adjustment. A lifting device comprising an extensible strut, such as a pre-loaded gas strut, mounted in an expansible guide column, is detachably connectible to the base to substantially balance a load on the trolley and allow easy height adjustment with the load in place.

REFERENCES:
patent: 1527895 (1925-02-01), Mazoch
patent: 2808303 (1957-10-01), Frank
patent: 3210846 (1965-10-01), Balkin
patent: 3275298 (1966-09-01), Hand
patent: 4690417 (1987-09-01), Betts et al.

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