Tent – canopy – umbrella – or cane – Canes – sticks – crutches – and walking aids – Walker type
Patent
1986-01-17
1988-06-07
Hafer, Robert A.
Tent, canopy, umbrella, or cane
Canes, sticks, crutches, and walking aids
Walker type
272 70, 297 5, A61H 300
Patent
active
047489944
ABSTRACT:
A walking aid adapted for use either before or behind the invalid user and comprising a pair of tubular side sections spaced apart and connected by a transverse brace at one pair of opposed ends to form a four legged free standing walker frame. Each side section support and adjustably disposable upwardly extending hand support enable the latter to be best positioned for the user and for the use of the walker in either its fore of after the patient position.
REFERENCES:
patent: 1307058 (1919-06-01), McGrath
patent: 2362466 (1944-11-01), Carter
patent: 2759525 (1956-08-01), Ries
patent: 2777657 (1957-01-01), Zent
patent: 2796916 (1957-06-01), Womble
patent: 2798533 (1957-07-01), Frank
patent: 4045044 (1977-08-01), Bierer
patent: 4248256 (1981-02-01), Thomas
patent: 4251105 (1981-02-01), Barker
patent: 4314576 (1982-02-01), McGee
Doom Michael
Schultz Jim R.
Epstein Natan
Guardian Products Inc.
Hafer Robert A.
Pavitt, Jr. William H.
Sam Charles H.
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