Wheeled accessory for equipment stands

Details Wheeled accessory for equipment stands Wheeled accessory for equipment stands

1993-11-18

1996-01-16

Camby, Richard M.

Land vehicles

Wheeled

Extensible

280 431, 280 4315, 280 4324, 280 4724, 280 4721, B62B 112

Patent

active

054841542

ABSTRACT:
A retractable wheeled accessory for equipment stands is disclosed as having a collapsible axle tube pivotally attached to two interface members which are removably attached to an equipment stand such as a tripod. Wheels are connected to the axle by way of offset crank members. Pivotal rotation of the axle tube by movement of a level arm causes the wheels to alternately engage and disengage a supporting surface. The invention can accommodate various positions of a tripod by adjusting the track of the wheel via the collapsible axle tube and by permitting the two interface members to pivot independently of the orientation of the axle tube.

REFERENCES:
patent: D160679 (1950-10-01), Wilcox et al.
patent: D221634 (1971-08-01), Bradspies et al.
patent: D263147 (1982-02-01), Iwasaki
patent: 1111515 (1914-09-01), Adams
patent: 2683268 (1954-07-01), Strager
patent: 2767995 (1956-10-01), Stout
patent: 2794612 (1957-03-01), Clifton
patent: 4327933 (1987-05-01), Tuggle
patent: 4639005 (1987-01-01), Birkley
patent: 5031926 (1991-07-01), Wannamaker
patent: 5203580 (1993-04-01), Cunningham

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