US 12,080,496 B2
Contactor with integrated drive shaft and yoke
Samuel Naumowicz, Carpinteria, CA (US); Bernard Bush, Santa Barbara, CA (US); Murray Stephan McTigue, Carpinteria, CA (US); and Daniel Sullivan, Santa Barbara, CA (US)
Assigned to Gigavac, LLC, Carpinteria, CA (US)
Filed by Gigavac, LLC, Carpinteria, CA (US)
Filed on Jun. 15, 2021, as Appl. No. 17/348,557.
Claims priority of provisional application 63/039,676, filed on Jun. 16, 2020.
Claims priority of provisional application 63/090,796, filed on Oct. 13, 2020.
Claims priority of provisional application 63/117,919, filed on Nov. 24, 2020.
Prior Publication US 2021/0391123 A1, Dec. 16, 2021
Int. Cl. H01H 3/32 (2006.01); H01H 1/06 (2006.01); H01H 3/02 (2006.01); H01H 9/02 (2006.01)
CPC H01H 3/32 (2013.01) [H01H 1/06 (2013.01); H01H 3/02 (2013.01); H01H 9/0271 (2013.01); H01H 2003/0266 (2013.01)] 14 Claims
OG exemplary drawing
 
1. A contact assembly, comprising:
a movable contact having an underside surface and a topside surface;
a drive shaft arranged to move said movable contact;
a lower yoke on said underside surface; and
an upper yoke on said topside surface, said upper yoke comprising:
said drive shaft, and
a shaft extension passing through said movable contact and said lower yoke, said shaft extension integral to said upper yoke and said drive shaft,
wherein the upper yoke and the lower yoke:
form a magnetic circuit to produce a magnetic force,
attract each other, and
restrict movement of said movable contact, and
wherein said upper yoke comprises extensions or protrusions.