Armrest-driven wheelchair
OwnerKung-Hsiung Wu, Hsiu-Fong Hsuinventors
Life of this patent
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Abstract
An armrest-driven wheelchair in which the armrests are pivoted to the wheelchair frame and turned turned back and forth about a respective pivot to rotate the wheels forwards or backwards by a respective transmission rod, which is driven by the respective armrest to connect a first bearing means, which is driven to turn the respective wheel forwards, or a second bearing means, which is driven to turn the respective wheel backwards, to the respective armrest.
Claims7
An armrest-driven wheelchair of the type comprising a wheelchair frame, a seat upholstery carried on said wheelchair frame for sitting by an user, two separate wheels mounted on said wheelchair frame at two opposite sides and separately turned for moving said wheelchair frame, and two armrests mounted on said wheelchair frame at two opposite sides, wherein:
- two first bearing means are respectively mounted on the shaft of each wheel and driven to turn each wheel forwards;
- two second bearing means are respectively mounted on the shaft of each wheel and driven to turn each wheel backwards;
- said armrest are respectively pivoted to said wheelchair frame and turned back and forth about a respective pivot on said wheelchair frame to turn said wheels forwards or backwards;
- two transmission rods respectively coupled to said armrests and controlled by said armrests to connect said said first bearing means or said second bearing means to said armrests, permitting said wheels to be turned forwards or backwards by said armrests.
Dependencies are inferred from the claim text.