US 12,341,323 B2
Apparatus and method for drill motor racking of switchgear
Finley Lee Ledbetter, Argyle, TX (US); Russell R. Safreed, III, Saint Albans, WV (US); and Paul Blake, Saint Albans, WV (US)
Assigned to CBS ArcSafe, Inc., Denton, TX (US)
Filed by CBS ArcSafe, Inc., Denton, TX (US)
Filed on Jan. 19, 2022, as Appl. No. 17/579,412.
Claims priority of provisional application 63/142,372, filed on Jan. 27, 2021.
Prior Publication US 2022/0239075 A1, Jul. 28, 2022
Int. Cl. H02B 11/133 (2006.01); B25B 21/00 (2006.01); B25F 5/00 (2006.01); H01H 3/22 (2006.01)
CPC H02B 11/133 (2013.01) [B25B 21/002 (2013.01); B25F 5/001 (2013.01); H01H 3/227 (2013.01)] 25 Claims
OG exemplary drawing
 
1. A drill motor racking apparatus for remote operation of a circuit breaker, the apparatus comprising:
a racking adapter, wherein the racking adapter is adapted to be engaged by and secured in a racking mechanism of the circuit breaker;
a gearbox having an input and an output;
a flexible shaft cable having a first end and a second end, wherein the racking adapter is connected to the first end of the flexible shaft cable and wherein the gearbox is incorporated between the flexible shaft cable and the racking adapter to provide a torque multiplication required to rack the circuit breaker; and
a drill adapter adapted to be engaged by and secured in a drill, wherein the drill adapter is attached to the second end of the flexible shaft cable.