|국가/구분||United States(US) Patent 등록|
|미국특허분류(USC)||180/065.1; 180/907; 280/304.1|
|발명자 / 주소|
|출원인 / 주소|
|대리인 / 주소||
|인용정보||피인용 횟수 : 27 인용 특허 : 133|
A wheelchair suspension is provided. The wheelchair suspension includes a frame, a pivot arm, a front caster, a drive assembly, and a rear caster. The pivot arm is pivotally coupled to the frame. The front caster is coupled to the pivot arm. Movement of the drive assembly in a first direction causes the pivot arm to substantially remain in a first position. Movement of the drive assembly in a second direction urges the pivot arm away from the first position.
We claim: 1. A wheelchair suspension comprising: a frame; a pivot arm pivotally coupled to the frame; a front caster coupled to the pivot arm; a drive assembly mounting bracket; a rear caster coupled to the frame; and wherein movement of the drive assembly mounting bracket with respect to the frame in a first direction causes the pivot arm to remain in substantially a first position; and movement of the drive assembly mounting bracket with respect to the frame in a second direction urges the pivot arm away from the first position. 2. The wheelchair s...