F - Mech Eng,Light,Heat,Weapons – 03 – H
Patent
F - Mech Eng,Light,Heat,Weapons
03
H
F03H 99/00 (2009.01) B63H 19/00 (2006.01) H02K 41/02 (2006.01)
Patent
CA 2703306
A differential displacement electromagnetic device providing motion over a support frame. The device comprises a planar rectangular support frame defining a central aperture; first and second integral rails fixed to the support frame in spacedly parallel fashion relative to one another; and an open quadrangular carriage, spacedly overhanging over the support frame in sliding fashion. Permanent electromagnets are fixedly mounted to opposite ends of the carriage and angularly oriented relative to the support frame lengthwise axis. Two first and second pairs of upright anchor columns are mounted to and project transversely from opposite ends of the support frame, the first pair of anchor columns interconnected by first tension springs, while the second pair of anchor columns interconnected by second tension springs. A movable block is slidingly carried over both rails and sized to freely engage the support frame aperture for sliding motion thereabout independently of the carriage, the block including a pair of opposite side spring loaded arms, extending outwardly over and beyond the carriage and carrying at each of their opposite ends a pair of opposite floating electromagnets. The block further includes a bracket mount carrying two spaced pivotal axles defining pivotal axes transverse to the plane of the support frame, and a pair of fixed rocker arms, pivotally mounted to the block at one end by pivotal axles, with each rocker arms carrying at each of their opposite ends a corresponding permanent magnet. The rocker arms are sized in such a way as to be pivotably movable between a first limit position, where the permanent magnets abut against the angularly oriented electromagnets, and a second limit position, where the permanent magnets abut against the floating electromagnets.
Coulombe Maurice
Lesperance & Martineau S.e.n.c.
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