Tent – canopy – umbrella – or cane – Canes – sticks – crutches – and walking aids – Combined and convertible
Patent
1977-02-22
1978-07-11
Schroeder, Werner H.
Tent, canopy, umbrella, or cane
Canes, sticks, crutches, and walking aids
Combined and convertible
135DIG10, 362102, A45B 304
Patent
active
040995356
ABSTRACT:
A walking cane for the blind, visible during the day or night, having an elongated tubular main shaft of light conducting material with a ground engaging tip secured to one end and a tubular handle to the other end. A cover of translucent white light transmitting material envelops most of the outer surface of the shaft and outer surface of the handle, but a portion of the shaft above the ground engaging tip is exposed to provide a window for the emission of light. This window may be dyed with a red translucent material. A solid rod of light conducting material resides within the tubular shaft and has a roughened outer surface portion which diffuses light directed axially along the shaft toward the exposed portion of the shaft. A spirally wrapped layer of pliable light transmitting plastic film envelops the rest of the outer surface of the rod and diffuses the light toward the white cover. A light generator, which can be turned on and off at will, is removably positioned within the handle for directing light axially through the shaft to cause the red and white cover to glow brightly.
REFERENCES:
patent: 2271190 (1942-01-01), Giaimo
patent: 2372471 (1945-03-01), Campbell
patent: 2435650 (1948-02-01), Greene
patent: 2601554 (1952-06-01), Peters
patent: 2611019 (1952-09-01), Warner
patent: 2642519 (1953-06-01), Caustin et al.
patent: 3890497 (1975-06-01), Rush
patent: 4013881 (1977-03-01), Sargent
Berman Conrad L.
Schroeder Werner H.
Weilein Paul A.
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