Land vehicles – Wheeled – With worker's support or shade
Patent
1993-07-01
1995-01-10
Hill, Mitchell J.
Land vehicles
Wheeled
With worker's support or shade
280 326, D34 23, A01D 6704
Patent
active
053800214
ABSTRACT:
A sheet material sling is supported on a horseshoe-shaped device mounted on three casters which forms a vehicle to support a knee of a user. Two such supports are used, unconnected to each other by users who must kneel in their work and must scoot along a support surface. Provisions are made for the supports to be interconnected by a flexible connector or by a rigid table like sheet.
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patent: 718875 (1903-01-01), Pettersen
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patent: 2291094 (1942-07-01), McCarthy
patent: 2318059 (1943-05-01), Cooper
patent: 2448427 (1948-08-01), Gordon
patent: 2480406 (1949-08-01), Forney
patent: 2484494 (1949-10-01), Ferguson
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Ellis Christopher P.
Hill Mitchell J.
Yeager Arthur G.
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