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US 9,284,777 B1Granted
Fall restraint system for telescoping ladders
OwnerWilliam Licea, John Rojasinventors
Life of this patent
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Abstract
A fall restraint system having a retractor assembly including a housing assembly that is mounted onto an aerial apparatus. A base pulley assembly is also mounted onto the aerial apparatus. A cable having first and second ends is partially stored within the housing assembly, whereby the first end is fixed within the housing assembly. The second end is threaded around the base pulley assembly and is also fixed onto the aerial apparatus. Tensioning means keep a predetermined tension on the cable while the aerial apparatus extends from a retracted position to an extended position and vice-versa.
Claims15
A fall restraint system, comprising:
- A) a retractor assembly having a housing assembly mounted onto an aerial apparatus, said housing assembly comprising first and second sidewalls, said housing assembly further comprising a journaling pin and a supporting pin mounted to said first and second sidewalls, said first and second sidewalls comprising respective first and second slots, said journaling pin configured to slide within said first and second slots;
- B) a base pulley assembly;
- C) a cable having first and second ends, said cable partially stored within said housing assembly, whereby said first end is fixed within said housing assembly, said second end is threaded around said base pulley assembly and is fixed onto said aerial apparatus;
- and
- D) tensioning means to keep a predetermined tension on said cable while said aerial apparatus extends from a retracted position to an extended position and vice-versa;
- said tensioning means comprises first and second spring members;
- said first and second spring members are mounted onto first and second shafts respectively.
4 more elements
Dependencies are inferred from the claim text.