Abstract: A front wheel drive power wheel chair has the drive wheel axis of rotation forward of the wheelchair user's eyes and cranial center of perception.
Type:
Grant
Filed:
August 6, 1999
Date of Patent:
March 13, 2001
Assignee:
Pride Mobility Products Corporation
Inventors:
Walter E. Schaffner, James P. Mulhern, Stephen J. Antonishak
Abstract: A power chair is provided comprising a frame transversely foldable between operating and transport positions. A seat is connected to the frame, with a pair of drive wheels also connected to the frame. The drive wheels are rotatable about a transverse axis below a portion of the seat supporting an occupant's thighs. The power chair further includes motors for driving respective drive wheels. Perspective motor/drive wheel combinations are pivotally connected to the frame. At least one ground-engaging idler wheel is connected to the frame, located rearward of the drive wheels. At least one anti-tip wheel is positioned above ground, forward of the drive wheels, and connected to the frame for movement relative to the frame upon encountering an obstacle.
Type:
Grant
Filed:
October 5, 1998
Date of Patent:
February 13, 2001
Assignee:
Pride Mobility Products, Corporation
Inventors:
Walter E. Schaffner, James P. Mulhern, Gerald J. White, Stephen J. Antonishak
Abstract: A power wheelchair has a frame, a seat connected to the frame, a pair of drive wheels connected to the frame and rotatable about transverse axis below a portion of the seat supporting the wheelchair occupant's thighs and at least one ground-engaging idler wheel connected to the frame behind the drive wheels.
Type:
Grant
Filed:
November 1, 1996
Date of Patent:
January 23, 2001
Assignee:
Pride Mobility Products, Corporation
Inventors:
Walter E. Schaffner, James P. Mulhern, Stephen J. Antonishak
Abstract: A curb-climbing front wheel drive power wheelchair has a frame, a seat connected to the frame, a pair of drive wheels connected to the frame and rotatable about a transverse axis below a portion of the seat supporting the wheelchair occupant's thighs. The power wheelchair also has at least one ground-engaging idler wheel connected to the frame behind the drive wheels and anti-tip wheels forward of the drive wheels, rigidly connected to the motors for pivotal movement.
Type:
Grant
Filed:
April 14, 1998
Date of Patent:
October 10, 2000
Assignee:
Pride Mobility Products, Corporation
Inventors:
Walter E. Schaffner, James P. Mulhern, Stephen J. Antonishak, Gerald J. White