Tie preplating method and apparatus
First Claim
Patent Images
1. A tie preplater for aligning and securing a pair of rail plates to a rail tie comprising:
- means for conveying rail ties along a path;
means along said path for aligning the rail seat of a pair of rail plates relative to each other while positioned on a moving respective rail tie; and
means along said path for securing said aligned rail plates to said rail tie by fasteners.
0 Assignments
0 Petitions
Accused Products
Abstract
A method and apparatus of preplating ties including traversely aligning ties on a path, conveying along the path ties relative to a pair of plate guides, positioning a pair of plates on each tie adjacent the guides, attaching the plates to the tie by partially driving fasteners, continue aligning the plates relative to each other by conveying the tie relative to the guides and securing the plates to the tie during alignment by completing the driving of the fasteners. A tie guide is provided having a fixed guide parallel to the path and a biased pivotal guide extending at an angle to the fixed tie guide.
30 Citations
31 Claims
-
1. A tie preplater for aligning and securing a pair of rail plates to a rail tie comprising:
-
means for conveying rail ties along a path; means along said path for aligning the rail seat of a pair of rail plates relative to each other while positioned on a moving respective rail tie; and means along said path for securing said aligned rail plates to said rail tie by fasteners. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16)
-
-
17. In a tie plater having means for conveying rail ties, means for guiding rail ties and means for securing rail plates to the rail ties, the improvement comprising:
a pair of means for aligning the seats of a pair of rail plates relative to each other while said rail plates travel with a rail tie on said conveying means to said securing means. - View Dependent Claims (18, 19, 20, 21, 22, 23)
-
24. A method of securing a pair of rail plates to a rail tie comprising:
-
conveying said rail tie along a path; positioning a pair of rail plates on said rail tie; temporarily attaching said positioned rail plates to said rail tie to travel thereon; aligning the rail seat of said rail plates relative to each other on said rail tie during the conveying of said rail tie; and securing said aligned rail plates to said rail tie. - View Dependent Claims (25, 26, 27, 28, 29, 30, 31)
-
Specification