Land vehicles – Wheeled – Occupant propelled type
Patent
1988-04-14
1989-03-07
Pakar, John A.
Land vehicles
Wheeled
Occupant propelled type
280250, B60M 114
Patent
active
048099970
ABSTRACT:
The mobile standing air has a rectangular base with two main wheels near the rearward portion of the base and two main caster wheels mounted on upward, forward and outward extensions near the front of the frame. Two rearward extensions mount smaller caster wheels to prevent rearward tipping. The standing aid has four members which extend vertically from the base. Horizontal pieces between the members form side and front walls which extend upward to an upper high area of a user. The rear of the machine is closed with a pivoted butt pad support which clamps a user in the machine along with forward relatively large thigh pads, a smaller horizontal lower knee pad and a horizontal heel or Achilles pad at the rear. Side pads are positioned adjacent the heel pad and halfway up the side portions at the knee area of a user. The effect of the pads is to firmly splint legs in place. Hand wheels on opposite sides drive sprockets and chains and pinions attached inside the main wheels. A chest pad on an upper ratchet extension permits forward bending. A hinged table lies flat against the front in a vertical position and raises to an elevated horizontal position. The back opening allows unassisted movement to and from a wheelchair using reasonable upper arm strength.
REFERENCES:
patent: 2506860 (1950-05-01), Dimon
patent: 2578828 (1951-12-01), Nelson
patent: 2989139 (1961-06-01), Pantek et al.
patent: 3107105 (1963-10-01), Heriford
patent: 3249368 (1966-05-01), Ginzburg
patent: 3493245 (1970-02-01), Nabinger
patent: 4524988 (1985-06-01), Netznik
patent: 4620714 (1986-11-01), Davis
patent: 4685693 (1987-08-01), Vadjunec
Creighton Wray James
Pakar John A.
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