Tent – canopy – umbrella – or cane – Canes – sticks – crutches – and walking aids – Crutches
Patent
1989-02-27
1990-07-17
Scherbel, David A.
Tent, canopy, umbrella, or cane
Canes, sticks, crutches, and walking aids
Crutches
224148, 224273, 135 66, 2483091, 2483112, A61H 0302
Patent
active
049414984
ABSTRACT:
The invention comprises a crutch and carrier assembly including a crutch having a top and a bottom portion and a pair of parallel side rails between the top and the bottom portion, with the side rails being spaced apart at a predetermined distance, and a carrier assembly including an elastic annulus having a inner circumference in its unstretched state, with the inner circumference being less than twice the distance around the side rails. The annulus is positioned to grippingly encircle the side rails. In one embodiment the crutch and carrier assembly further comprises a plurality of elastic annuli, each grippingly encircling the side rails.
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patent: 4747423 (1988-05-01), Hansen et al.
patent: 4830238 (1989-05-01), Widinski et al.
Croll Mark W.
Mai Lan
Scherbel David A.
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