Invention Grant
- Patent Title: Foldable walker apparatus
- Patent Title (中): 可折叠步行器
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Application No.: US13284556Application Date: 2011-10-28
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Publication No.: US08505936B2Publication Date: 2013-08-13
- Inventor: Julian Liu
- Applicant: Julian Liu
- Applicant Address: CA Port Coquitlom
- Assignee: Evolution Technologies Inc.
- Current Assignee: Evolution Technologies Inc.
- Current Assignee Address: CA Port Coquitlom
- Agency: Cameron IP
- Main IPC: B60B33/00
- IPC: B60B33/00

Abstract:
There is provided a wheel mounting assembly having a wheel fork. The fork includes an interior and an inwardly extending protrusion disposed within the interior. The assembly includes a rotatable member operatively connected to the fork and disposed within the interior of the fork. The protrusion abuts and positions in place the rotatable member. The assembly includes a shaft. The rotatable member rotatably connects the shaft to the wheel fork. The assembly includes a retaining member connected to the shaft. The retaining member is configured to abut the protrusion of the fork and thus inhibit dislodgement of the rotatable member from the fork when the shaft is tilted relative to the fork.
Public/Granted literature
- US20120133106A1 FOLDABLE WALKER APPARATUS Public/Granted day:2012-05-31
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