Tent – canopy – umbrella – or cane – Canes – sticks – crutches – and walking aids – Crutches
Patent
1999-07-01
2000-06-27
Canfield, Robert
Tent, canopy, umbrella, or cane
Canes, sticks, crutches, and walking aids
Crutches
135 68, 135 71, 4033792, 4033795, A61H 302
Patent
active
060794313
ABSTRACT:
An improved underarm cane device including a cane having a Y-type structure with an upper end portion and two rods extending therefrom. The arm supporter structure includes an arm supporter and two ends, with each end of the arm supporter structure having a ring through which each one of the two rods of the upper end portion of the cane extends through, in order to arrange the arm supporter structure between the two rods of the upper end of the cane. The rings each have an outer side with a through bore and a protrusion. The protrusions at the outer sides of the rings including a groove. Bores are longitudinally arranged along the length of each of the two rods. Locking pieces are configured to secure the arm supporter structure between the two rods wherein each of the locking pieces secures the arm supporter structure on the two rods. The device includes L-shaped locking pieces each having a centrally positioned tenon, and each of the locking pieces having an inner side and outer side. The device further includes a buckling piece having a distal end. The buckling piece and the pushing piece extend from the locking pieces and the distal end of the buckling piece is forked and formed with two elastic projecting portions.
REFERENCES:
patent: 596203 (1897-12-01), Drake
patent: 705741 (1902-07-01), Drew
patent: 904481 (1908-11-01), Hood
patent: 2669244 (1954-02-01), Greene et al.
patent: 4647241 (1987-03-01), Weber
patent: 5291910 (1994-03-01), Bui et al.
patent: 5381813 (1995-01-01), Miric et al.
Canfield Robert
Maxhealth Corporation
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