Edge seal for reciprocating conveyor

B - Operations – Transporting – 65 – G

Patent

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Details

B65G 25/00 (2006.01) B65G 21/20 (2006.01) B65G 25/06 (2006.01)

Patent

CA 2158112

A front shield extends across an end portion of a reciprocating floor conveyor above the conveyor slats. Each slat has a front end that reciprocates longitudinally between first and second positions as the slat reciprocates. A multiplicity of bristles are carried by the shield and depend downwardly therefrom. The lower ends of the bristles contact a top surface of the slats rearwardly of the first and second positions. The bristles are bent by contact with the top surface to preload them into contact and maintain them in contact as the slats reciprocate. This prevents particles of material and debris from passing under the shield. The bristles are mounted on the shield by means of a carrier that is vertically adjustable relative to the shield to permit adjustment of the preload. The bristles are provided in a plurality of rows positioned one behind another in a longitudinal direction, with each row extending across the conveyor substantially continuously across each slat. The bristles have a sufficiently narrow cross section and are sufficiently close to each other to provide a substantially constant seal across contoured slats.

Cette invention concerne un pare-poussière suspendu dans le sens travers, à une extrémité d'un transporteur va-et-vient. Chacune des lattes du transporteur comporte une extrémité frontale animée d'un mouvement de va-et-vient entre une première et une seconde positions. Le pare-poussière comporte une pluralité de poils orientés vers le bas. L'extrémité inférieure des poils touche à la face supérieure des lattes en retrait des deux positions de fin de course. Les poils se plient au contact des lattes et restent en contact avec celles-ci grâce à leur élasticité. Cette disposition empêche le passage de particules et débris au-delà du pare-poussière. Les poils du pare-poussière sont fixés à une planchette réglable en hauteur pour réduire ou augmenter la force d'appui des poils contre les lattes du transporteur. La planchette porte une pluralité de rangées de poils couvrant sensiblement toute la largeur des lattes du transporteur. Les poils sont suffisamment fins et suffisamment serrés les uns contre les autres pour constituer une barrière sensiblement continue sur toute la largeur des lattes profilées.

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