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Patent Searching and Data


Title:
人間運搬用デバイス
Document Type and Number:
Japanese Patent JP4783855
Kind Code:
B2
Abstract:
An application for a device for human conveyance includes a front wheel and a rear wheel. The rear wheel interfaced to a sprocket through a ratchet drive system which allows forward rotation of the rear wheel in response to forward rotation of the sprocket and allows free backward rotation of the sprocket. A frame interfaces the front wheel to the rear wheel keeping the front wheel at a constant distance from the rear wheel. The front and rear wheels are rotatably interfaced to the frame. A front end of an arc-shaped spring is affixed to the frame in proximity to the front wheel and a rear end of the arc-shaped spring has a sprocket gear interfaced to the sprocket whereas depression of the arc-shaped spring pushes the rear-end of the arc-shaped spring in a rearward direction with respect to the rear wheel and the sprocket gear turns the sprocket in a forward rotational direction.

Inventors:
Pryor Gregory Earl
Mirror christopher phillip
Application Number:
JP2009553776A
Publication Date:
September 28, 2011
Filing Date:
March 13, 2008
Export Citation:
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Assignee:
MINDWORKS,LLC
International Classes:
B62M1/08; A63C17/12; B62K3/00; B62K17/00; B62M1/24
Domestic Patent References:
JP2007159776A
JP3109062U
JP51142472U
Foreign References:
US20020163159
Attorney, Agent or Firm:
Matsuji Takemoto
Hideo Sugiyama
Koichi Yuda
Uozumi Takahiro
Naohiko Teshima
Mitsuo Shiraishi