B - Operations – Transporting – 61 – L
Patent
B - Operations, Transporting
61
L
B61L 5/06 (2006.01) B61L 5/10 (2006.01)
Patent
CA 2181210
A railway switch circuit controller having a housing with a bottom surface and opposed side surfaces. The bottom surface has a raised planar boss provided thereon, in which the raised boss is cast upon the bottom surface and is then machined so as to have a flat surface and a selected height. The side surfaces have respective openings provided therethrough for receiving a shaft. The shaft is rotatably disposed through the side surface openings and has one or more cam segments disposed thereupon. Each cam is engageable with a follower in which the follower is biased to a first position but rotation of the shaft causes the cam to move the follower to a second position. The follower is connected to a movable contact of a contact spring assembly. The contact spring assembly also has one or more sets of first and second generally nonmovable contacts in which the movable contact is disposed between the two nonmovable contacts. The contact spring assembly is secured to a terminal board. The terminal board has a planar portion that is matable and is secured to the raised boss of the controller housing bottom surface.
Cette invention concerne une commande d'aiguilage ferroiviaire placé dans un coffret ayant un fond et des parois latéraux opposés. Le fond comporte un bossage moulé à même et usiné à la hauteur voulue et pour lui donner une surface plate. Les parois latérales du coffret ont chacune une ouverture destiné à recevoir un arbre de commande tournant muni d'une ou de plusieurs cames qui agissent chacun sur un suiveur de came maintenu par une force élastique dans une première position. € la rotation de l'arbre, les cames poussent les suiveurs de came vers une seconde position. Ces suiveurs sont raccordés à un contact mobile d'un contacteur à ressort qui comporte un ou plusieurs jeux de paires de contacts généralement fixes, le contact mobile étant disposé entre les deux contact généralement fixes. Le contacteur à ressort est fixé à une plaquette à bornes dont une partie plane est adaptée pour être vissée au bossage moulé à mème le fond deu coffret.
Macrae & Co.
Union Switch & Signal Inc.
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