Patent ID: 8355243

Claim:
In combination: a switchgear including a cell into which a circuit breaker is received with a cell door, having inner and outer sides, which encloses the circuit breaker within said cell; a circuit breaker racking assembly in said cell for racking-in the circuit breaker or racking-out the circuit breaker in said cell; said circuit breaker racking assembly including a drive shaft having an outer end which is spaced inwardly of said cell door; said cell door having an opening formed therein which is aligned with said outer end of said drive shaft; and a closed door circuit breaker racking extension assembly, having inner and outer ends, secured to said cell door and positioned at said inner side thereof inwardly of said opening in said cell door; said closed door circuit breaker racking extension assembly including a vertically disposed mounting plate, having inner and outer sides, which is secured to said cell door and which has a central opening formed therein which communicates with said opening in said cell door, a box-like housing secured to said mounting plate and having a top wall, first and second side walls and a bottom wall with the said walls defining an interior compartment having an open outer end which communicates with said central opening in said mounting plate, said back wall having an opening formed therein which is aligned with said outer end of said drive shaft, an elongated, horizontally disposed and rotatable extension shaft having inner and outer ends, said outer end of said extension shaft being positioned in said opening in said cell door, said inner end of said extension shaft extending through said opening in said back wall; said extension shaft being selectively movable between an outer position and an inner position; said extension shaft being yieldably urged to said outer position; said inner end of said extension shaft being in engagement with said outer end of said drive shaft when said extension shaft is in said inner position whereby rotation of said extension shaft will cause said drive shaft to be rotated to cause said circuit breaker to be racked-in or racked-out depending upon the direction of rotation of said extension shaft.