Resources Contact Us Home
Pump assembly for a chair

Image Number 12 for United States Patent #6290295.

A pump assembly is described for use in the field of workstation design. The pump assembly is described for use in combination with a chair back having an expandable fluid bladder for lumbar support. The pump assembly allows a person, while seated, to more easily inflate or deflate an expandable fluid bladder. An actuator for inflating and deflating the expandable fluid bladder is also described.

  Recently Added Patents
System and method for optimizing utilization of inventory space for dispensable articles
Apparatus and method for multiple pagings in broadband wireless communication system
Method and system for coding an information signal using closed loop adaptive bit allocation
Digital fine delay processing
Center spreader adapter tool for toilet paper rolls and paper towel rolls that do not have inner cardboard tubes
Internal wiring structure of semiconductor device
  Randomly Featured Patents
Apparatus for synchronizing the speed of a material spreader or the like with the speed of a vehicle upon which it is mounted
DRAM cells with vertical transistors
High resolution film scanner/telecine which uses a microlithographic diffuser laminate to aid in the reduction of visibility of surface imperfections in the film
Radiation-sensitive composition containing 1,2-quinonediazide compound, alkali-soluble resin and monooxymonocarboxylic acid ester solvent
Common pole capacitor housing apparatus and method
SIMD processor executing min/max instructions
Shoe guard
Cylinder to bag grass clippings
Half tone display driving circuit for crystal matrix panel and half tone display method thereof
Method and system for anonymous operation of a mobile node