|국가/구분||United States(US) Patent 등록|
|국제특허분류(IPC7판)||B62B-005/02 B62B-009/02 B62D-055/00 B62D-055/02|
|미국특허분류(USC)||280/005.22; 180/009.34; 180/009.22; 180/009|
|발명자 / 주소|
|출원인 / 주소|
|대리인 / 주소||
|인용정보||피인용 횟수 : 2 인용 특허 : 16|
An apparatus is disclosed for use on standard or customized wheelchairs for moving the wheelchair and wheelchair occupant up or down a stairway or stairway-like structure (e.g., a curb) with greater confidence and stability to the occupant of the wheelchair and its handler(s). The apparatus includes a motorized assembly that interacts with stair steps when the apparatus and wheelchair are tilted backwardly. The motorized assembly allows the wheelchair to glide or move up or down the steps without experiencing the bumps commonly associated with rolling a ...
1. An apparatus capable of assisting a wheelchair and an occupant thereof to ascend or descend a stairway or stairway-like structure, the apparatus comprising: a pair of connected frame members, each of the frame members including one or more belt guides for mounting and guiding a motorized belt that is further spaced or positioned around the respective frame member;a drive assembly connected at least indirectly to the pair of frame members for driving movement of the motorized belts around the frame members;a head-rest assembly connected at least indire...