Tent – canopy – umbrella – or cane – Canes – sticks – crutches – and walking aids – Crutches
Patent
1992-03-16
1992-11-24
Scherbel, David A.
Tent, canopy, umbrella, or cane
Canes, sticks, crutches, and walking aids
Crutches
135 71, 135 66, A61H 302
Patent
active
051654369
ABSTRACT:
A crutch member includes spaced first and second legs joined at a lower distal end to a central support leg. A medial handle is positioned orthogonally between the first and second legs, with a swivel ring pivotally mounted orthogonally between the upper distal ends of the first and second legs.
REFERENCES:
patent: 173100 (1876-02-01), Lynch
patent: 2197279 (1940-04-01), Thorssen
patent: 4245659 (1981-01-01), Schofner
patent: 4637414 (1987-01-01), Urban
patent: 4763680 (1988-08-01), Acosta, Sr.
patent: 4793370 (1988-12-01), Perez et al.
patent: 4852597 (1989-08-01), Mark et al.
patent: 4922941 (1990-05-01), Daniels
Hall Betty J.
Hall, Sr. James D.
Gilden Leon
Mai Lan
Scherbel David A.
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