F - Mech Eng,Light,Heat,Weapons – 16 – H
Patent
F - Mech Eng,Light,Heat,Weapons
16
H
74/60
F16H 27/06 (2006.01) H01H 9/00 (2006.01) H01H 3/44 (2006.01)
Patent
CA 2038717
A stepper drive for a step-type transformer has an upper geneva wheel rotatable about a wheel axis, a lower geneva wheel spaced below the upper wheel and also rotatable about the axis, and a driver rotatable about a driver axis adjacent the wheels and having an upper abutment engageable with the upper wheel and a lower abutment engageable with the lower wheel and offset by about 180° relative to the driver axis from the upper abutment. A selector abutment is provided on the upper wheel offset from the axis thereof. A selector lever pivotal about a selector axis offset from the wheel axis is engageable with the selector abutment in end positions of the upper wheel. A blocking plate shiftable radially on the lever between an actuated position and an unactuated position is urged by a spring into the unactuated position. A blocking element on the plate is positioned in the path of the upper abutment of the driver in the actuated position and out of the path of the upper abutment of the driver in the unactuated position. The driver is rotated about its axis to displace the upper drive wheel between its end positions, and engage the selector abutment in the one end position of the upper wheel against the blocking element to shift it into the actuated position on such engagement.
Dohnal Dieter
Kloth Gunter
Maschinenfabrik Reinhausen Gmbh
Ogilvy Renault Llp/s.e.n.c.r.l.,s.r.l.
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