Railways – Cable rails
Patent
1996-05-09
1997-12-30
Le, Mark T.
Railways
Cable rails
105148, 105150, 403331, B61B 300
Patent
active
057018243
ABSTRACT:
A trolley having a top member and a base member that are releasably coupled together without the use of a separate fastener. The top member has a top connecting portion with a top locking element, and the base member has a base connecting portion slidably engaging the top connecting portion. The base connecting portion has a base locking element hinged thereon and releasably engaging the top locking element for releasably locking the top and base members. To unlock the top and base members, and allow them to freely slide relative to one another, a screwdriver can be used to bias the base locking element away from the top locking element. The base member further has a portion for attaching a holding device. The top and base members define a through passageway that receives an elongated support therein and has rollers for allowing the trolley to move along the support.
REFERENCES:
patent: 3704350 (1972-11-01), Itoh
patent: 3802351 (1974-04-01), Pascuzzi
patent: 4093047 (1978-06-01), Wampfler
patent: 5524548 (1996-06-01), Fox
Gleason Reel Econo Wire Catalog, Wire Rope Festoon Kits, pp. 24-25, 1996.
Gleason Reel Festoon Systems WIre Rope & C-Rail Catalog, p. 5 approx. 1985, no date.
Wampfler, Leitungswagen Und Zubehor Catalog, pp. 210/215/8, 210/215/11 -210/215/13, 210/215/17 and 210/215/29.
Hillard Donald H.
Johnson James W.
'Hubbell Incorporated
Hilliard Thomas P.
Le Mark T.
Presson Jerry M.
Tarnoff David L.
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