发明授权
- 专利标题： Door opening and closing device for handicapped persons
- 专利标题（中）： 残疾人用开门装置
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申请号： US304407申请日： 1994-09-12
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公开(公告)号： US5540468A公开(公告)日： 1996-07-30
- 发明人: Arnold Fassman
- 申请人： Arnold Fassman
- 专利权人： Fassman; Arnold
- 当前专利权人： Fassman; Arnold
- 主分类号： B65H75/40
- IPC分类号： B65H75/40 ; E05B1/00 ; B66C1/10
摘要：
A door opening and closing device for a handicapped person dependent on a wheel chair and or crutches for mobility is disclosed, which includes a housing generally sized for a person to hold in his hand, the housing having a peripheral opening. A reel is rotatably mounted within the housing, and an elongate flexible member is would on the reel and extends through the peripheral opening. A resilient member in the housing is interconnected between the housing and the flexible member such that it is stressed when the flexible member is withdrawn from the housing such that it will retract the flexible member back into the housing with the withdrawing force is removed. A grasping member is connected to the free end of the flexible member which has a configuration such that it will easily grasp the shaft housing of a conventional door knob and not slip off when the flexible member is pulled to open or close the door.
公开/授权文献
- US4354039A Chlorocitric acids 公开/授权日：1982-10-12
信息查询
IPC分类:
