发明名称 |
Descender apparatus |
摘要 |
A descender apparatus for lowering a person in a controlled manner from a height to a relatively lower height and for use as a safety equipment for workers and mountain climbers comprising a generally cylindrical housing; a rope arranged in the housing about a vertical axis of the housing in a stack of layers of closely wound coils and a friction core at one end of the housing for controlling a rate of descent and uncoiling the coils of rope as they are withdrawn from the housing; and a camshaft in transverse relationship to the axis of the housing for selectively controlling the rate of descent during the lowering of the person.
|
申请公布号 |
US6823966(B1) |
申请公布日期 |
2004.11.30 |
申请号 |
US20020279616 |
申请日期 |
2002.10.25 |
申请人 |
AMERICAN ESCAPE SYSTEMS, INC. |
发明人 |
HENSON WILLIAM E. |
分类号 |
A62B1/14;A62B1/20;(IPC1-7):A62B1/20 |
主分类号 |
A62B1/14 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|