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Patent Searching and Data


Title:
AUXILIARY TRUCK FOR WHEELCHAIR
Document Type and Number:
Japanese Patent JPH04159184
Kind Code:
A
Abstract:

PURPOSE: To improve riding comfort in a wheelchair auxiliary truck used at stairs, an escalator, or the like by providing a damper for relieving thrust force from the escalator transmitted to a truck body through auxiliary wheels and a turning arm.

CONSTITUTION: At the base end side part of a fixing bracket 16 fixed on the slightly lower side of a right and a left handles 13 of a truck body 1, a right and a left turning arms 30 are supported in the vertically rotatable state by shafts 17. These turning arms 30 are energized by the gas damper 22 of arm supporting mechanism 21 so as to turn upward/downward from a horizontal fulcrum position. Each turning arm 30 is formed of a cylindrical arm main body 31 and a slide rod 32 fitted to the cylindrical am main body 31 in such a way as to slide in the protruding/receding state, and two auxiliary wheels 34, 35 are rotatably provided at the tip of the slide rod 32 through a T-shape bracket 33. This turning arm 30 is further fitted with a gas damper 37, provided with a cylinder 38 and a piston rod 39, for relieving thrust force from an escalator transmitted to the truck body 1 through the turning arm 30.


Inventors:
SAITO TOSHIRO
Application Number:
JP28368090A
Publication Date:
June 02, 1992
Filing Date:
October 22, 1990
Export Citation:
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Assignee:
TOSHIBA CORP
International Classes:
B62D55/075; A61G5/00; (IPC1-7): A61G5/00; B62D55/075