Push nut press tool for wheeled rollout carts

Details Push nut press tool for wheeled rollout carts Push nut press tool for wheeled rollout carts

2006-05-09

2006-05-09

Wilson, Lee D. (Department: 3723)

Work holders

Relatively movable jaws

Jaw features

C269S249000, C029S279000, C029S281100

Reexamination Certificate

active

07040610

ABSTRACT:
The press tool includes a frame, an abutment part mounted to one end of the frame, and a lever actuated ram mounted to the other end of the frame. The ram includes a pair of interchangeable fittings (one for affixing the push nuts and one for removing the push nuts). Rocker plates pivotally connect the rams to a long lever, which extends and retracts the ram through a tubular sleeve mounted to the frame. The assembly fitting includes a magnet that holds a push nut to the ram. When the lever is depressed, the ram extends and the push nut is pressed axially onto the axle rod. The removal fitting has a two pronged head. When the lever is depressed, the prongs deform the push nut flange, which bends back the teeth that secure the push nut to the axle.

REFERENCES:
patent: 2549256 (1951-04-01), Sparling
patent: 4376331 (1983-03-01), Clark
patent: 4569511 (1986-02-01), Bell, Jr.
patent: 4962918 (1990-10-01), Yang
patent: 6361034 (2002-03-01), Wolfe
patent: 6431534 (2002-08-01), Orosz et al.
patent: 2005/0225019 (2005-10-01), Hubbard

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