Railway tie plate

Details Railway tie plate Railway tie plate

2005-12-13

2005-12-13

Jules, Frantz F. (Department: 3617)

Railways: surface track

Tie-plates

C238S306000, C238S264000

Reexamination Certificate

active

06974087

ABSTRACT:
A tie plate is provided for securing a rail to a railway tie. The tie plate has a base with a tie face opposite a rail face, opposite end faces extending between the tie and the rail faces, a gauge side opposite a field side with said gauge and field sides extending between the opposite end faces and the rail and tie faces. A rail support section runs across the rail face between the opposite end faces and along the gauge and field sides. The tie plate further has a respective clip hold down housing adjacent the rail support section on the field side and the gauge side, each clip hold down housing having a rail abutting face proximal the rail support section and a longitudinally extending receptacle for receiving a spring clip. A respective rail locating shoulder extends from the rail face on either side of the rail support section. Locating ridges extend from the tie face for embedding into a tie. Screw holes extend through the tie plate between the rail and tie faces on the field side and on the gauge side for receiving lag screws to secure the tie plate to the tie. At least one spike hole extends through the tie plate between the tie face and the rail face on each of the field side and the tie side.

REFERENCES:
patent: 522867 (1894-07-01), Wilson
patent: 911230 (1909-02-01), Goldie, Jr.
patent: 4108378 (1978-08-01), Raymond
patent: 4155507 (1979-05-01), Chierici et al.
patent: 4349151 (1982-09-01), Schumaker
patent: 4479607 (1984-10-01), Okumura et al.
patent: RE32894 (1989-03-01), Gragnami
patent: 6308897 (2001-10-01), Remington et al.
patent: 6431463 (2002-08-01), Igwemezie
Track Yearbook, 2001-2002, Description of Tie Plates.

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