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Sunwa Sharyo Manufacturing Co., Ltd. Patents
Assignee:
Sunwa Sharyo Manufacturing Co., Ltd.
Address:
Tokyo, JP
No. of patents:
7
Patents:












Patent Number Title Of Patent Date Issued
5676215 Stair-climbing crawler transporter October 14, 1997
A stair-climbing crawler transporter having a pair of belt supporting units contacting with an inner surface of the belt crawler at a ground contacting section between driving wheels and grounding wheels on both sides, and a jack connected to a bent connecting portion of the belt sup
4898256 Stair-climbing wheelchair carrier with crawlers February 6, 1990
A crawler unit for coupling to a wheelchair, especially for climbing stairs, comprises an undercarriage having power-driven tracks and an adapter for securing the wheelchair in a rearwardly tilted travelling position. In order to enable the wheelchair user to couple and decouple and
4771839 Stair-climbing wheelchair carrier September 20, 1988
A stair-climbing wheelchair carrier, comprising a carrier portion comprising a pair of endless belt crawlers, and a handle portion rotatably and detachably provided on the carrier. The handle portion is adapted to be rotated between an operating position and a wheelchair engaging pos
4688813 Carrier for rescuing patients August 25, 1987
A carrier for rescuing patients having a frame having a pair of lower horizontal portions and upwardly inclined portions adjacent to the horizontal portions at rear end portions thereof.A pair of front and rear wheels are provided on the frame, and a pair of crawlers engaged with the fra
4681330 Hand truck July 21, 1987
A hand truck has a load supporting frame having a handle, and a load supporting platform provided on a lower portion of the load supporting frame. A pair of main wheels are provided on a lower portion of the load supporting frame, and an auxiliary frame is pivotally mounted on a lower
4585241 Carrier for rescuing patients April 29, 1986
A carrier for rescuing patients having a frame having a pair of lower horizontal portions and upwardly inclined portions adjacent to the horizontal portions at rear end portions thereof.A pair of front and rear wheels are provided on the frame, and a pair of crawlers engaged with the fra
4566550 Stair-climbing wheelchair carrier January 28, 1986
A stair-climbing wheelchair carrier has a frame body, a pair of rail frames formed in a lower portion of the frame body and a pair of endless belt crawlers engaged with the wheels provided on the frame body and with the rail frames. A travelling wheel mechanism is provided on each of the

 
 
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