US 11,749,480 B1
Direct driven latch for ultra-fast switch
Andrew L. Gottschalk, Monaca, PA (US); Xin Zhou, Wexford, PA (US); Robert Michael Slepian, Murrysville, PA (US); and Santhosh Kumar Chamarajanagar Govinda Nayaka, Moon Township, PA (US)
Assigned to EATON INTELLIGENT POWER LIMITED, Dublin (IE)
Filed by EATON INTELLIGENT POWER LIMITED, Dublin (IE)
Filed on Jun. 10, 2022, as Appl. No. 17/837,225.
Int. Cl. H01H 50/32 (2006.01); H01H 50/02 (2006.01); H01H 50/54 (2006.01)
CPC H01H 50/32 (2013.01) [H01H 50/02 (2013.01); H01H 50/54 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A latching assembly for latching a moving conductor assembly of a circuit interrupter, the latching assembly being structured to be disposed within a housing of the circuit interrupter and comprising:
a latch block structured to be fixedly positioned relative to the circuit interrupter housing;
a driven latch rotatably coupled to the latch block;
a hammer, the hammer comprising:
two planar sides disposed parallel to one another; and
a square pin, the square pin being coupled at a first end to a first of the two planar sides and being coupled a second end to a second of the two planar sides; and
a rotation pin structured to fixedly position the hammer relative to the circuit interrupter housing and to form a fixed axis about which the hammer can rotate,
wherein the driven latch is disposed between the two hammer planar sides,
wherein the driven latch comprises a medial surface structured to face toward a switch shaft of the moving assembly and a lateral surface disposed opposite the medial surface structured to face away from the switch shaft, and
wherein the hammer and the driven latch are structured such that the hammer square pin is always in engagement with the lateral side of the driven latch.