Patent ID: 9408763
Filing Date: 2016-08-09
CPC Classification: A61G

Claim Text:
1. A tilt mechanism for adjusting the tilt angle of the seat of a manual wheelchair supporting a user, the wheelchair having a base frame, a pair of arm rests that are immovably fixed in position with respect to the base frame and a seat pivotally affixed to the base frame at a pivot point, the tilt mechanism comprising an actuator having a first end affixed to the seat at a location displaced a linear distance from the pivot point and a second end affixed to the base frame, the actuator being extendable and contractible as the seat is tilted about the pivot point and a controller located proximate to at least one of the arm rests, the controller being operable by a user supported by the wheelchair between a first position wherein the actuator is free to contract and extend and a second position wherein the actuator is prevented from contracting and extending.