Railways – Traction – Cable
Reexamination Certificate
2007-11-27
2007-11-27
Le, Mark T. (Department: 3617)
Railways
Traction
Cable
C104S112000, C104S113000, C104S117100, C104S173100, C104S053000
Reexamination Certificate
active
11644269
ABSTRACT:
A trolley retrieval system for transporting or returning trolleys from a finish area back to a start area for traveling along a cable. The systems may include a cable held in suspension between the first and second supports. A retrieval line may be suspended in a closed loop extending from proximate the first support to proximate the second support. A trolley for traveling along the cable may be selectively connectable to the retrieval line. A motivator may selectively circulating the retrieval line around the loop. A controller may control operation of the motivator.
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Petzl, Rollcab instruction manual, p. 1-8, date unknown.
Le Mark T.
Pate & Pierce & Baird
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