Motion transmission devices
作者： Joseph Peter William Baker
DOI:
关键词: Transmission (telecommunications) 、 Edge (geometry) 、 Planar 、 Surface (mathematics) 、 Axle 、 Axial symmetry 、 Motion (geometry) 、 Optics 、 Physics
摘要: A magnetic motion transmission device (10) which comprises a body (15) has an outer cylindrical surface and radial end walls, is polarised axially of the and, at opposed ends surface, pair disc-like pole plates (14, 16) that are like diameter greater than surface. The mounted by axle pin (18) non-magnetic material (e.g. brass). serves in use to effect between first second members (11, 12), being either planar or cyclindrical frusto-conical. Examples described applications include arrangement member (12) provides rotary output drive - derived magnetically from (11) angularly rotable shaft pivoting gate closure for opening, upstanding internally hollow bollard located adjacent one edge throughway, barrier element extends said within another similar opposite throughway.
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