Land vehicles – Wheeled – Coasters
Patent
1995-10-30
1999-02-02
Camby, Richard M.
Land vehicles
Wheeled
Coasters
280 4734, B62B 300
Patent
active
058654500
ABSTRACT:
A baby walker including a frame, a seat for supporting an associated baby thereon, main wheels rotatably affixed to the frame for enabling translating of the baby walker across flat surfaces, a support arm having an upper end and a lower end, the upper end being swingably attached to the frame, and a stopper attached to the lower end of the support arm, and an extension having a first end and second end, the first end being swingably attached to the frame, and an interface for interfacing with an associated floor fixed to the second end of the extension. The stopper selectively engages and immobilizes the main wheels when actuated by actuating means. The baby walker also has a safety alarm including a buzzer connected to the frame, a battery connected to the buzzer, a first contact attached to the frame, a first wire connecting the first contact and the buzzer, a second contact attached to the plate steel support, a second wire connecting the second contact and the buzzer, the first contact and the second contact being separated when the safety wheel and the main wheel have equal elevation, and the first contact and the second contact coming together causing the buzzer to operate when the safety wheel drops to lower vertical elevation than the main wheel.
REFERENCES:
patent: 5366231 (1994-11-01), Hung
patent: 5371922 (1994-12-01), Cherm et al.
patent: 5564724 (1996-10-01), Huang
Camby Richard M.
Duell Mark E.
Emerson Roger D.
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