Title:
MECHANICAL LEG FOR ASSISTING RUNNING AND JUMPING
Document Type and Number:
WIPO Patent Application WO/2009/021439
Kind Code:
A1
Abstract:
A mechanical leg for assisting running and jumping includes upper and lower assistant
legs(1,2). The middle portion of the upper assistant leg(1) is connected with
an upper support(7) by a pin, and the lower end of the upper support(7) is connected
with an lower support(8) by a pin. The lower end of the lower support(8) is connected
with a tension spring(9) which is fixed on the lower assistant leg(2), and the
upper end of the lower support(8) is a ratchet gear. A ratchet(12) is provided
on the middle portion of the upper support(7), the top end of which locks the ratchet
gear when being applied a force. The mechanical leg is fixed on a user's legs
with leggings(4,5,6) and provides the user a assistant force for running and
jumping with the energy reserved by the tension spring(9).
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Inventors:
LI ZHE NAN (CN)
Application Number:
PCT/CN2008/071901
Publication Date:
February 19, 2009
Filing Date:
August 06, 2008
Export Citation:
Assignee:
LI ZHE NAN (CN)
International Classes:
A63B5/16; A63B25/00; A63B25/10
Foreign References:
| CN1476912A | 2004-02-25 | |||
| CN2432955Y | 2001-06-06 | |||
| CN2261859Y | 1997-09-10 | |||
| DE4400820A1 | 1995-07-20 | |||
| DE19930259A1 | 2000-03-23 | |||
| US6719671B1 | 2004-04-13 |
Attorney, Agent or Firm:
BEIJING PSCU PATENT OFFICE (Xicheng District, Beijing 5, CN)
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