Patent ID: 7530502
Filing Date: 2009-05-12
Classification: B61K,E01B,G01N

Abstract:
1. A clamp for securing a transducer to a train rail of the kind having a foot, web, and a head, the clamp comprising: a bracket having a base portion shaped to engage the underside of the foot of the rail and including an integral retaining formation to prevent removal of the bracket from the rail, and an upright arm at one end of the base portion which extends adjacent the web of the rail when the base portion engages the foot of the rail; and an adjuster supported by the arm for engaging the transducer and urging the transducer into contact with the rail, the adjuster comprising a threaded member passing through the arm and movable axially towards the rail on rotation thereof, the threaded member being oriented so as to urge the transducer into engagement with the rail between the head and the web of the rail; wherein both the base portion and the upright arm of the bracket are formed from a material selected to be sufficiently resilient to deform elastically when the adjuster urges the transducer into contact with the rail in use, to accommodate both temporary and permanent deformation of the rail while applying a substantially constant force between the transducer and the rail in normal use.