Land vehicles – Wheeled – Coasters
Patent
1995-06-26
1997-12-02
Johnson, Brian L.
Land vehicles
Wheeled
Coasters
280 8701, B62M 100
Patent
active
056927622
ABSTRACT:
A walker is provided with a non-rotatable glide assembly that easily slides over the ground surface when a walker is lifted and advanced forwardly. As soon as a predetermined downward force is exerted on the walker legs, the glides retract and non-slip crutch tips engage the ground surface. Moreover, an individual glide may be easily removed and substituted by a wheel that provides rolling contact with the ground surface. The remainder of the mounting structure is used so that the walker may be easily converted from a glide to wheeled arrangement.
REFERENCES:
patent: 4168841 (1979-09-01), Uhlyarik
patent: 4747180 (1988-05-01), Screen
patent: 4800910 (1989-01-01), Gamm
patent: 4946058 (1990-08-01), Stamm
patent: 5086798 (1992-02-01), Motts
patent: 5112044 (1992-05-01), Dubats
patent: 5133377 (1992-07-01), Truxillo
patent: 5224506 (1993-07-01), Allen et al.
Butts Jonathan E.
Invacare Corporation
Johnson Brian L.
LandOfFree
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