H - Electricity – 01 – H
Patent
H - Electricity
01
H
H01H 33/66 (2006.01) H01H 5/06 (2006.01) H01H 9/00 (2006.01)
Patent
CA 2076195
An actuator used with a load switch having a rotary drive shaft extending along a drive axis and carrying a cam and with an interrupter having an operating rod displaceable longitudinally of itself and generally perpendicular to the drive axis has a frame defining upper and lower pivots having respective upper and lower axes spaced from each other and generally parallel to the drive axis. An output parallelogrammatic linkage has an output link having upper and lower ends, movable between an upper and a lower position, and formed with an aperture alignable axially with the input-link aperture and an output coupling formation connected longitudinally on the rod so that on movement between the upper and lower positions, the interrupter is operated. An input parallelogrammatic linkage has an input link formed with an aperture and an input coupling formation bearing radially on the cam so that rotation of the cam vertically displaces the input link between its upper and lower positions. A spring braced vertically in the apertures in a position with the apertures aligned axially bears upward on all the upper links and downward on all the lower links. Respective upper and lower stops on the frame engageable with the output link in respective upper and lower positions arrest same therein. Respective upper and lower release formations on the input linkage engage the stops on displacement of the input link into the respective upper and lower positions to release the output link from them.
Dohnal Dieter
Neumeyer Josef
Maschinenfabrik Reinhausen Gmbh
Norton Rose Or S.e.n.c.r.l. S.r.l./llp
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