Steering mechanism for mobile carriage

Details Steering mechanism for mobile carriage Steering mechanism for mobile carriage

1979-06-07

1981-02-03

Love, John J.

Land vehicles

Wheeled

Wheel steering by attendant

292 37, 292DIG4, 296 20, B62B 300

Patent

active

042484448

ABSTRACT:
Steering mechanism for a hospital type carriage such as a mobile stretcher supported by two pairs of spaced fore and aft casters respectively on opposite sides of the same and swivelled about vertical axes, said mechanism comprising a sprocket chain or the like extending around sheaves or sprocket gears connected respectively to one pair of said fore and aft casters, one of said sprocket gears being releasably connectable to the caster upon which it is mounted selectively for rotation with said caster about the swivel axis thereof or permit free swivelling of said caster, the chain being operable to cause the pair of fore and aft casters connected thereby to either travel in a straight line or respectively swivel similar amounts in opposite directions to effect turning movements efficiently, accurately and quickly. Quick disconnect also can be made by cam means foot-actuated to permit free swivelling of all casters.

REFERENCES:
patent: 2228247 (1941-01-01), Cunningham
patent: 2330557 (1943-09-01), Collis
patent: 2388692 (1945-11-01), House
patent: 2497425 (1950-02-01), Terry
patent: 3126208 (1964-03-01), DeVoghel
patent: 3304116 (1967-02-01), Stryker
patent: 3393004 (1968-07-01), Williams
patent: 3398971 (1968-08-01), Seidel
patent: 3529848 (1970-09-01), Harvey
patent: 3734538 (1973-05-01), Humes

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