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Device-for-elastically-fastening-a-rail-on-its-supports

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Device for elastically fastening a rail on its supports

Details

Inventors: Duchemin, Michel;
Assignee: Ressorts du Nord S.A. (Paris, FR)
Primary Examiner: Spar; Robert J.
Assistant Examiner: Reese; Randolph A.
Attorney, Agent or Firm: Burns, Doane, Swecker & Mathis

Device for elastically fastening a rail on its supports comprising at least two fasteners each of which has a clamping member extending therethrough. The fasteners are disposed parallel to the rail on each side of the latter. They comprise a spring strip which has in the free state one of its edges bent and bearing at its two ends on the edge of the flange of the rail. The arrangement of the fastener permits resolving all the problems of flexibility and clamping force. The device according to the invention can be employed for fastening railway rails to all supports.

DETAILED DESCRIPTION Having now described my invention what I claim as new and desire to secure by Letters Patent is: 1.
A structure comprising in combination a railway track rail having a flange, a support for the rail and a device for fastening the rail to the support, the device comprising at least two fasteners which are disposed on opposite sides of the rail and clamping means for maintaining each fastener, each of the fasteners comprising a spring strip having a first edge which is rectilinear in plan substantially throughout the extent of the spring strip longitudinally of the rail and extends in a direction parallel to the rail and a second edge which is opposed to the first edge transversely of the rail, the strip being, in a free unstressed state of the strip, bent on and alongside said first edge and bearing at ends of the first edge on the flange of the rail and bearing on the support in at least one part of the strip adjacent the second edge, the clamping means extending through the center of the strip, the spring strip being capable of being clamped down by the clamping means so that said first edge can assume a position flat against the rail flange, and the strip being, in the intended state of the structure for fastening the rail, put in a clamped down and stressed state by the clamping means and having its initially bent first edge applied on the flange of the rail substantially throughout the length of said first edge.
2.
A structure as claimed in claim 1, wherein the spring strip has a constant thickness and is substantially planar in said clamped stressed state.
3.
A structure as claimed in claim 2, wherein the spring strip is in said free state a portion of a cylinder bearing at each end partly on the flange of the rail and partly on the support.
4.
A structure as claimed in claim 2, wherein the strip is rectangular in plan.
5.
A structure as claimed in claim 1, wherein said spring strip includes two tabs which are adjacent two ends of said second edge and bear on the support

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