Tent – canopy – umbrella – or cane – Canes – sticks – crutches – and walking aids – Walker type
Patent
1986-09-08
1988-02-02
Hafer, Robert A.
Tent, canopy, umbrella, or cane
Canes, sticks, crutches, and walking aids
Walker type
272 70, 272 704, 297 5, 297423, A61H 300
Patent
active
047223561
ABSTRACT:
An attachment for an invalid walker that provides an adjustable padded support for the user's knee. The attachment has easily adapted hook elements for ready attachment to and detachment from conventional walkers. Provision is made for both vertical and angular position selectivity, and the support for the pad enables reversal of the pad supporting post so as to increase the versatility of the attachment.
REFERENCES:
patent: 78472 (1868-06-01), Neuhaus
patent: 2258920 (1941-10-01), Yates
patent: 2391284 (1945-12-01), Weiss
patent: 2897013 (1959-07-01), Delp
patent: 3046072 (1962-07-01), Douglass, Jr. et al.
patent: 3392801 (1968-07-01), Gethmann
patent: 3461884 (1969-08-01), Augusta
patent: 3596668 (1971-07-01), Tosto
patent: 4004393 (1977-01-01), Morris
patent: 4381791 (1983-05-01), Van Sickle
patent: 4449750 (1984-05-01), Pultman
Hafer Robert A.
Sam Charles H.
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