Dynamically controllable, trolley brake

Details Dynamically controllable, trolley brake Dynamically controllable, trolley brake

2008-07-29

2008-07-29

Le, Mark T (Department: 3617)

Railways

Cable rails

C104S113000, C104S115000, C104S117100, C104S238000, C182S011000, C188S065100

Reexamination Certificate

active

11644268

ABSTRACT:
A trolley for traveling along a cable. The trolley may include a frame having a first end, a second end, and a rail positioned between the first and second ends. A brake pad may connect to the frame. A sheave mount may also connect to the frame and include a sheave for rolling along the cable. A carriage may connect to the frame and include a user mount for suspending a user. The carriage may selectively travel along the rail through a continuous range of motion to control a braking force generated by the trolley between the brake pad and the cable.

REFERENCES:
patent: 301923 (1884-07-01), Reisdorff
patent: 654687 (1900-07-01), Suter
patent: 1684251 (1928-09-01), Thomas
patent: 1935711 (1933-11-01), Hecox et al.
patent: 4934277 (1990-06-01), Smith et al.
patent: 5094171 (1992-03-01), Fujita
patent: 6622634 (2003-09-01), Cylvick
patent: 6666773 (2003-12-01), Richardson
patent: 2005/0029058 (2005-02-01), Everett et al.
PETZL, Rollcab instruction manual, p. 1-8, date unknown.

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