Portable wheel dolly

Material or article handling – Wheel and wheel-type article handler and transporter – Elevator-type engaging means

Patent

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Details

414428, 254 7B, 280 794, B66F 308

Patent

active

057095205

ABSTRACT:
Improved wheel-lift apparatus comprising wheel dolly or caddy devices useful to provide mobility, lift and support for aircraft wheel assemblies for facilitating aircraft maneuverability in hanger or storage areas, comprised of generally U-shaped adjustable frame support devices having an adjustable cross member and a pair of parallel spaced extended end frame members defining an opening therebetween within which to laterally receive an aircraft wheel assembly, a pair of lift plate devices oppositely-disposed and supported by the extended frame members, respectively, at least one of the lift plate devices being pivotally movable to engage the wheel assembly to provide lift thereof, pivotal cam devices connected to the movable lift plate devices and providing upward and downward pivotal movement thereto, threaded rotatable gear devices having an elongated length dimension and engaging the pivotal cam devices on a distal free end thereof, said gear devices being movable along its length dimension to provide pivotal movement of the cam devices, and pivotal trunnion devices being pivotally supported by the frame support devices and having threaded aperture devices through which to receive correspondingly threaded gear devices for providing pivotal movement of the gear devices during rotational movement along the length dimension thereof for enabling the gear devices to track the pivotal movement of the cam devices.

REFERENCES:
patent: 1343650 (1920-06-01), Snyder
patent: 1361889 (1920-12-01), Miller et al.
patent: 2252534 (1941-08-01), Trotter
patent: 2349251 (1944-05-01), Domoj
patent: 5096161 (1992-03-01), Tomasevic

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