Tent – canopy – umbrella – or cane – Canes – sticks – crutches – and walking aids – Tips
Reexamination Certificate
2005-04-26
2005-04-26
Canfield, Robert (Department: 3635)
Tent, canopy, umbrella, or cane
Canes, sticks, crutches, and walking aids
Tips
C135S082000, C248S188900
Reexamination Certificate
active
06883530
ABSTRACT:
A nonslip walking stick rest disposed at a lower end of a walking stick, is characterized that, the walking stick rest is provided with a pliable plastic tray having a nonslip surface at a lower housing; the lower housing has a spherical recess provided with a shaft having a sphere at an interior thereof above the lower housing is a fixed middle housing; the shaft is provided with an upper housing; a spring is disposed at the upper portion of the shaft, and between the upper housing and the middle housing; and the upper housing has an insertion end for inserting to the lower end of the walking stick. When the walking stick is propped on the ground, the lower housing of the walking stick rest is capable of automatic adaptations for staying closely to the ground and preventing slipping.
REFERENCES:
patent: 679468 (1901-07-01), Pratt
patent: 765984 (1904-07-01), Morris et al.
patent: 1348531 (1920-05-01), Amadio
patent: 2910995 (1959-11-01), Jacuzzi
patent: 3099103 (1963-07-01), Wright
patent: 4440186 (1984-04-01), Lottner
patent: 4510957 (1985-04-01), Frank
patent: 4947882 (1990-08-01), Levasseur
patent: 6138699 (2000-10-01), Su
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