US 12,331,764 B2
Hydraulic jack assembly and pin puller assembly
Matthiew John Schleis, West Allis, WI (US); Kyle Michael Harvey, Waukesha, WI (US); Samantha Ann Teumer, Jackson, WI (US); Ben Gall, Menomonee Falls, WI (US); Connor Joseph Sannito, Sturgeon Bay, WI (US); and Edward Haase, South Milwaukee, WI (US)
Assigned to Enerpac Tool Group Corp., Milwaukee, WI (US)
Filed by Enerpac Tool Group Corp., Milwaukee, WI (US)
Filed on Apr. 28, 2023, as Appl. No. 18/140,876.
Claims priority of provisional application 63/337,461, filed on May 2, 2022.
Prior Publication US 2023/0366416 A1, Nov. 16, 2023
Int. Cl. F15B 15/18 (2006.01); B25B 27/02 (2006.01); B66F 3/26 (2006.01); B66F 3/42 (2006.01)
CPC F15B 15/18 (2013.01) [B25B 27/026 (2013.01); B66F 3/26 (2013.01); B66F 3/42 (2013.01)] 21 Claims
OG exemplary drawing
 
1. A cylinder assembly comprising:
a housing;
a pump supported within the housing;
a motor supported within the housing and operable to power the pump;
a power source supported by the housing and operable to supply power to the motor;
a cylinder having a first end, an opposite second end, and a sidewall extending therebetween;
a piston movably supported by the cylinder, the pump being operable to supply hydraulic fluid to the cylinder to move the piston relative to the cylinder at least from a retracted position to an advanced position; and
a frame coupled to the sidewall of the cylinder and supporting the pump and the motor.