Tent – canopy – umbrella – or cane – Canes – sticks – crutches – and walking aids – Crutches
Patent
1984-10-01
1986-02-25
Hafer, Robert A.
Tent, canopy, umbrella, or cane
Canes, sticks, crutches, and walking aids
Crutches
16110R, 294 57, A61H 302
Patent
active
045722277
ABSTRACT:
A handgrip for a crutch having spaced, parallel, generally-vertical anterior and posterior supports, comprising a rigid structure defining a hand supporting surface contoured to accommodate substantially the entire planar surface of the hand and peripherally thereof an integral dependent stiffening flange dimensioned to enable gripping the hand support, the flange being provided with a recess for non-rotatably receiving the anterior support and a bolt for rotatably securing the structure to the posterior and anterior supports to on the one hand secure the structure in a substantially horizontal position for use and on the other hand to permit the structure to be rotated to a generally vertical position for storage.
REFERENCES:
patent: 245818 (1881-08-01), Groom
patent: 705741 (1902-07-01), Drew
patent: 2856943 (1958-10-01), Sparlin
patent: 3269399 (1966-08-01), Smith
patent: 3517678 (1970-06-01), Gilsdorf
Gammons Robert T.
Hafer Robert A.
Kramer Arnold W.
W. K. Wheeler, Inc.
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