Operation arm and hand cart comprising operation arm

Details Operation arm and hand cart comprising operation arm Operation arm and hand cart comprising operation arm

2007-12-18

2007-12-18

Ellis, Christopher P. (Department: 3618)

Land vehicles

Wheeled

Stable vehicles, handle-propelled

CD34S027000, C016S430000, C016SDIG043

Reexamination Certificate

active

11029657

ABSTRACT:
An operation arm built on one side or a plurality of sides of a hand cart provided with a wheel, includes an operation section touched by an operator, and a support extending from the operation section to the hand cart, and supporting the operation section against the hand cart, and also includes a rear inclined portion inclined from an upper end of the support toward the rear side at a predetermined angle, and a grip continuous with the rear inclined portion, extending in directions crossing the forward direction and the backward direction, an extension of the grip inclined to the front side with respect to the support and formed into a circular arc shape. By so constituting, a manual pushing force is efficiently transmitted to the hand cart and an operator can operate the operation arm in a comfortable posture.

REFERENCES:
patent: 3357716 (1967-12-01), Musichuk
patent: 5261215 (1993-11-01), Hartz et al.
patent: 5299816 (1994-04-01), Vom Braucke et al.
patent: D363590 (1995-10-01), Kazmerchek et al.
patent: 5788252 (1998-08-01), Happ et al.
patent: 6024376 (2000-02-01), Golichowski et al.
patent: 6065189 (2000-05-01), Trine
patent: D446622 (2001-08-01), Gaffney et al.
patent: 6742790 (2004-06-01), Seagraves et al.

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