Railways – Cable rails
Reexamination Certificate
2006-11-28
2009-12-29
Le, Mark T (Department: 3617)
Railways
Cable rails
C104S113000, C104S115000, C104S117100, C104S238000, C188S065300
Reexamination Certificate
active
07637213
ABSTRACT:
A system comprising a cable held in suspension and a trolley traveling along the cable. The trolley may include a brake pad positioned to contact the cable. The brake pad may include a plurality of segments contacting the cable. A first such segment may be formed from a first material. A second such segment may be formed from a second material, distinct from the first material. The sequence, composition, gaps, and the like of the plurality of segments may be selected to provide a desired resistance to wear, frictional coefficient, all-weather braking, and the like.
REFERENCES:
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patent: 1684251 (1928-09-01), Thomas
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patent: 2554548 (1951-05-01), Albagnac
patent: 3176628 (1965-04-01), Reid
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patent: 6622634 (2003-09-01), Cylvick
patent: 6666773 (2003-12-01), Richardson
patent: 2004/0134727 (2004-07-01), Windlin
patent: 2005/0029058 (2005-02-01), Everett et al.
patent: 2006/0288901 (2006-12-01), Cylvick
Petzl, Rollcab instruction manual, p. 1-8, date unknown.
Le Mark T
Pate & Pierce & Baird
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