E - Fixed Constructions – 01 – B
Patent
E - Fixed Constructions
01
B
E01B 9/10 (2006.01) E01B 9/12 (2006.01) F16B 35/04 (2006.01)
Patent
CA 2309030
A fastening device (20), for use in holding a base plate down to a railway sleeper, of the type having a head portion (21), a screw-threaded shank portion (22) and an intermediate portion (23) connecting the head portion (21) to the screw-threaded portion (22), the intermediate portion (23) and the screw- threaded portion (22) being of smaller diameter than the head portion (21), is adapted to retain a spring washer (15) on the said intermediate portion (23) prior to use regardless of the orientation of the device.
La présente invention concerne un dispositif de fixation (20) destiné à assujettir une plaque d'assise sur une traverse. Ce dispositif comprend une partie tête (21), une partie tige filetée (22) et une partie intermédiaire (23) qui relie la partie tête (21) à la partie tige filetée (22), la partie intermédiaire (23) et la partie tige filetée (22) présentant un diamètre inférieur à celui de la partie tête (21), et il est apte à retenir une rondelle à ressort (15) sur la partie intermédiaire (23) avant l'utilisation indépendamment de l'orientation du dispositif.
Pandrol Limited
Sim & Mcburney
LandOfFree
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