Railways – Derailment guards – Guide rollers
Patent
1975-08-14
1977-03-29
Peters, Joseph F.
Railways
Derailment guards
Guide rollers
180131, B61B 1202
Patent
active
040142680
ABSTRACT:
A guide arm is mounted via a ball joint to a support structure. A guide linkage, connected to the arm and foldable at its mid point, is also connected by a ball joint to the support structure. A second guide linkage guides the arm to a near vertical storage position when a motor folds the first linkage.
REFERENCES:
patent: 2222916 (1940-11-01), Schaa
patent: 2468158 (1949-04-01), Bartholomew
patent: 2992692 (1961-07-01), Chausson
patent: 3393762 (1968-07-01), Matson
Hatori Yukiyoshi
Sugiyama Hiroshi
Adams Bruce L.
Burns Robert E.
Lobato Emmanuel J.
Nissan Motor Co,. Ltd.
Pekar John A.
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