E - Fixed Constructions – 21 – C
Patent
E - Fixed Constructions
21
C
E21C 37/00 (2006.01) E21C 35/18 (2006.01) E21C 37/22 (2006.01)
Patent
CA 2515076
A scaling apparatus comprises a hammer component and a pick component which includes a tooth. The apparatus also includes a mechanism for moving the pick component with respect to the hammer component to thereby impart a scaling force to and through the tooth. In a preferred embodiment of the invention, the pick component includes a pick body comprising a first pivot having a pivot axis and a tooth mounted on the pick body. In this embodiment of the invention, the hammer component includes a hammer housing and a second pivot mounted within the housing and adapted to pivotally engage the first pivot of the pick body. This embodiment of the invention also includes means for rotating the pick body relative to the hammer component so as to impart a scaling force.
L'invention concerne un appareil de purgeage qui comprend un marteau et un pic comportant une pointe. L'appareil comporte également un mécanisme pour déplacer le pic par rapport au marteau de façon à imprimer une force de purgeage vers et à travers ladite pointe. Dans un mode de réalisation préféré, le pic comporte un corps comprenant un premier pivot dont l'axe et une pointe sont montés sur ledit corps de pic. Dans ce mode de réalisation, le marteau comporte un boîtier de marteau à l'intérieur duquel est monté un second pivot destiné à venir en prise pivotant avec le premier pivot du corps de pic. Dans ce mode de réalisation, l'invention concerne également un organe qui fait tourner le corps de pic par rapport au marteau de manière à imprimer une force de purgeage.
Morneault Paul
Wittenberg John
Astec Industries Inc.
Bereskin & Parr Llp/s.e.n.c.r.l.,s.r.l.
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