US 12,076,827 B1
Extension removal tool
Dave Brosseau, Sainte-Catherine (CA); and Paul Dumitrache, Brossard (CA)
Assigned to PRATT & WHITNEY CANADA CORP., Longueuil (CA)
Filed by PRATT & WHITNEY CANADA CORP., Longueuil (CA)
Filed on Jun. 2, 2023, as Appl. No. 18/327,939.
Int. Cl. B23P 19/04 (2006.01); B23P 11/02 (2006.01); B23P 19/02 (2006.01); B23P 19/027 (2006.01); B25B 27/02 (2006.01)
CPC B23P 19/04 (2013.01) [B23P 11/02 (2013.01); B23P 19/022 (2013.01); B23P 19/025 (2013.01); B23P 19/027 (2013.01); B25B 27/026 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A tool assembly for disassembling a crankshaft assembly, the crankshaft assembly including a main shaft received within a hollow extension shaft along a shaft axis and operatively coupled to the extension shaft via an interference fit, the hollow extension shaft having an extension shaft fastener slot, the tool assembly comprising:
a main tool body having a main tool body central bore, a main tool body inner surface circumscribing the main tool body central bore, and a main tool body outer surface having a main tool body fastener bore, the main tool body central bore dimensioned for axially receiving the hollow extension shaft within the main tool body central bore, with the main tool body fastener bore axially aligned with the extension shaft fastener slot;
a fastener dimensioned to be concurrently fastened to the main tool body via the main tool body fastener bore and the hollow extension shaft via the extension shaft fastener slot; and
an actuator assembly with a linearly-displacing actuating element operatively coupled to the main tool body and operable for applying a force, via the linearly-displacing actuating element, against an end of the main shaft in a first direction from the actuator assembly towards the end of the main shaft along the shaft axis.