William A Ammer

US Patent:

20040111830, Jun 17, 2004

Filed:

Dec 11, 2002

Appl. No.:

10/316087

Inventors:

Rory Cooper - Gibsonia PA, US
William Ammer - Allison Park PA, US
Mark McCartney - Saxonburg PA, US
Corey Blauch - Wilkes-Barre PA, US

International Classification:

B60B033/00

US Classification:

016/044000

Abstract:

A shock absorption mechanism for a wheelchair includes a caster fork including a first oblique surface and a second horizontally disposed surface, relative to a horizontal plane of travel of the wheelchair. A portion of the second surface includes a curved profile. A joint is mountable adjacent a first section thereof to a frame of the wheelchair and adjacent a second section thereof to the caster fork. The joint includes a first oblique surface and a second surface for guiding reciprocation of the curved profile portion of the caster fork. A shock absorber is disposed in an oblique orientation between the first oblique surface of the caster fork and the first oblique surface of the joint. The caster fork is pivotable adjacent the second section of the joint. The shock absorber is compressable in a direction generally parallel to the oblique orientation thereof during pivoting of the caster fork.

Address:

703 Pictwood Dr, Glenshaw, PA 15116

Phone:

412 389-4429

VIN:

1GC1KXCG8CF140640

Make:

CHEVROLET

Model:

SILVERADO 2500HD

Year:

2012