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US Patent 11833105 Omnidirectional safety walker

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Patent abstractTimelineTable: Further ResourcesReferences
Is a
Patent
Patent
1

Patent attributes

Patent Jurisdiction
United States Patent and Trademark Office
United States Patent and Trademark Office
1
Patent Number
118331051
Patent Inventor Names
David Dong Wang1
Aaron Guerrero Flores1
Jeffrey Curtis Roach1
Date of Patent
December 5, 2023
1
Patent Application Number
175821741
Date Filed
January 24, 2022
1
Patent Citations
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US Patent 7743780 Walker glide
1
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US Patent 7984724 Rolling walking support with a utility bag having interchangeable front panels providing alert indicia
1
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US Patent 8087126 Bed immobilization system integrated into chassis feet
1
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US Patent 8166988 Medically equippable walker device
1
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US Patent 8720914 Safety walker
1
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US Patent 9198823 Walker and standing aid
1
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US Patent 9211000 Walker attachable tray
1
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US Patent 9314395 Wrap around walking aid
1
...
Patent Primary Examiner
‌
Erez Gurari
1
CPC Code
‌
B60B 33/08
1
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A61H 2201/1673
1
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A61H 3/04
1
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A61H 2003/046
1
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B60B 33/0089
1
Patent abstract

A safety walker having a frame with a set of spherical caster wheels connected to the lower portion of the frame to provide omnidirectional movement with reduced force. A braking system is provided, where when a weight exceeding a threshold weight is applied to the frame, the brake is engaged to inhibit movement of the walker on the ground. The brake may use a mechanism in which each spherical caster wheel is retractably mounted within a lower end of a corresponding leg of the frame. Each spherical wheel is spring-loaded to urge the spherical wheel downward from the lower end of the corresponding leg. As weight is applied to the frame, the spherical caster wheel is pushed into the lower end of the leg, allowing the lower end of the leg to contact the ground surface and maintain stationary contact between the leg and the ground surface.

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