Land vehicles – Wheeled – Occupant propelled type
Patent
1994-03-04
1995-02-28
Tyson, Karin L.
Land vehicles
Wheeled
Occupant propelled type
2803041, 74564, 29742319, 29742326, A47C 752
Patent
active
053930827
ABSTRACT:
A wheelchair with footrest supports having a pair of horizontal, parallel forwardly extending cylindrical rods comprising, a pair of blocks, each block having an upper bore positioned to receive and support an associated cylindrical rod of the wheelchair, each block having a horizontal lower bore perpendicular to the upper bore. A pair of foot supporting plates, each plate adjustably supported with respect to the block, each plate also having a pair of holes extending therethrough with bolts extending through the holes, each bolt having a complimentary nut. A pair of pivot bolts, each pivot bolt having a threaded end located adjacent to the side of the pivot block remote from the plate with a complimentary abutment surface and wingnut on opposite sides of the block for securing the pivot bolt to the block when positioned through the lower bore, each pivot bolt also having a pair of parallel holes extending therethrough aligned with the holes of the plate for securing the plate with respect to the bolt with a pair of small bolts and associated nuts to effect such coupling.
REFERENCES:
patent: 3216738 (1965-11-01), Bockus
patent: 3249388 (1966-05-01), Jennings
patent: 3337261 (1967-08-01), Nihlean et al.
patent: 3376067 (1968-04-01), Kernes
patent: 4927167 (1990-05-01), Davis
patent: 5141250 (1992-08-01), Morgan et al.
patent: 5190391 (1993-03-01), Huong
Boehler Anne Marie
Tyson Karin L.
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