Resources Contact Us Home
Folding wheelchair with rigid seat

Image Number 6 for United States Patent #5145197.

A folding wheelchair has a rigid seat, leg support members stored in a compartment within the seat, a rigid backrest that can be collapsed when the wheelchair is folded, armrests that can be swung toward the seat or the backrest, and wheels that can be adjusted to raise or lower the seat and/or to shorten or lengthen the wheelbase. The rigid seat can be raised to a position in which the front or the front and rear portions are elevated.

  Recently Added Patents
Sweetener compositions having enhanced sweetness and improved temporal and/or flavor profiles
Scalable architecture for rank order filtering
Vehicle front fender
Differential ring oscillator and method for calibrating the differential ring oscillator
Verifiable service policy implementation for intermediate networking devices
Efficient implementation of hash algorithm on a processor
Lamination sheet
  Randomly Featured Patents
Nuclear radiation apparatus and methods for surveying physical characteristics and properties
Electrosurgical apparatus
Chemical/biological hazard trigger with automatic mail piece tagging system and method
Method and apparatus for determining reference points in a fingerprint
Skin care with a cosmetic composition containing oleyl acetate
Regulated current supply
Alkyl 5,6-dichloro-3,4-dihydro-2(1H)-iminoquinazoline-3-acetate hydrohalides
Hot staking machine
Mussel bioadhesive
Electrical connector