Patent ID: 9724253
Date: 2017-08-08
CPC Classifications: A61G,B62K

Claim:
1. A mechanical steering system for use with a wheelchair to permit a foot of a user to pivotably adjust a pair of caster wheels of the wheelchair to enhance directional control of the wheelchair when in motion, the mechanical steering system comprising: a platform coupled to a frame of the wheelchair; a foot controller assembly pivotably mounted to the platform and comprising a foot plate configured to receive the foot of the user and a rod coupled to the foot plate; a drag linkage member coupled to the rod of the foot controller assembly; and a pair of lever arm assemblies pivotably mounted to the drag linkage member, each lever arm assembly of the pair of lever arm assemblies comprising a lever rod coupled to a fork member, the fork member being coupled to one of the pair of caster wheels; wherein pivotable movement of the foot plate is transferred through the drag linkage member to permit both lever rods of the pair of lever arm assemblies to pivot, thereby enabling simultaneous pivotal adjustments of the caster wheels.