Railways – Trolley rails – Hangers
Reexamination Certificate
2006-02-28
2006-02-28
Le, Mark T. (Department: 3617)
Railways
Trolley rails
Hangers
C104S089000
Reexamination Certificate
active
07004076
ABSTRACT:
A hanger connects an enclosed track rail to a beam such that the enclosed track rail is positioned laterally with respect to the beam. The hanger and the arrangement of the track rail with respect to the beam allows rapid conversion of a material handling system from “open roller” tracks to enclosed tracks without removal of existing tracks, without adding new structural support for the enclosed tracks, and without substantial reduction in overhead clearance. A method of retrofitting an enclosed track rail to a material handling system having an open-roller track is also provide.
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patent: 2821146 (1958-01-01), Mahrle et, al.
patent: 3140848 (1964-07-01), Sherburne
patent: 5074423 (1991-12-01), Smith
patent: 5598785 (1997-02-01), Zaguroli, Jr.
patent: 5694857 (1997-12-01), Taylor
patent: 5947424 (1999-09-01), Heath
patent: 6012691 (2000-01-01), van Leeuwen et al.
Maxson Jerry L.
Traubenkraut Glen D.
DeVries Christopher
General Motors Corporation
Le Mark T.
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