Method and apparatus for installing a rail on a tie in a railroad system
AssigneePandrol Limited
InventorsFrank Howard Coats, David Tigue, Pelle Duong
Life of this patent
Estimating the term…
Abstract
A plate assembly for securing a rail to a tie that includes a clip and a shoulder with an orifice. At least one of the clip and the shoulder are modified by changing their respective shape to form a positive interference fit therebetween. The modification is provided to ensure that the clip is maintained with its leg partially inserted into the shoulder orifice during staging.
Claims9
An assembly securing a rail to a tie, the rail having a rail foot, the assembly comprising:
- a clip having a first leg, a second leg and a heel disposed between the first leg and the second leg, the heel including portion extending linearly between the first leg and the second leg;
- and
- a shoulder having an orifice adapted to receive the first leg and a shoulder edge,
- wherein when the first leg is partially inserted into the orifice of the shoulder, the first leg and the heel are adapted to grip the shoulder between the first leg and the heel in a spring-like manner to secure the clip within the shoulder.
An assembly securing a rail to a tie, the rail having a rail foot, the assembly comprising:
- a clip haying a first leg, a second leg and a section disposed between the first leg and the second leg, the section includes a heel having a portion thereof extending straight between the first leg and the second leg;
- and
- a shoulder having an orifice adapted to receive the first leg and a shoulder edge,
- wherein, in a first position, the first leg is partially inserted into the orifice and the heel is disposed in contact with the shoulder edge and, in a second position, the first leg is fully inserted into the orifice and the clip abuts the rail foot, and
- wherein the straight section of the heel is shaped and sized to form an interference fit with the shoulder to maintain the clip in said first position and prevent the clip from separating from the shoulder.
An assembly securing a rail to a tie, the rail having a rail foot, the assembly comprising:
- a clip having a first leg, a second leg and a section disposed between the first leg and second leg, the section includes a heel having portion extending linearly between the first leg and the second leg;
- and
- a shoulder having an orifice adapted to receive the first leg and a shoulder edge,
- wherein, in a first position, the first leg is partially inserted into the orifice of the shoulder with the first leg and heel adapted to grip the shoulder between the first leg and the heel in a spring-like manner to secure the clip within the shoulder and, in a second position, the first leg is fully inserted into the orifice and the clip abuts the rail foot, and
- wherein the shoulder has a section made of plastic material that is arranged and constructed to form an interference fit with the clip to maintain the clip in the first position and prevent the clip from separating from the shoulder.
Dependencies are inferred from the claim text.