Patent ID: 6718870
Filing Date: 2004-04-13
Classification: B25B

Abstract:
Hand-held hydraulic pressing apparatus (1) comprising a hydraulic cylinder (8); a piston head (5) which is disposed in said hydraulic cylinder; and an interchangeable apparatus head comprising a tool carrier (10) and a piston shank (16) which extends from said tool carrier, said piston shank being connected to said tool carrier and selectively contactably engageable and disengageable from said piston head, said piston head and said piston shank forming a piston when said piston shank is engaged with said piston head, said piston being displaceable to carry out a pressing or cutting operation, said hand-held hydraulic pressing apparatus further comprising a return spring which is earned on said piston shank, said return spring being held captive on said piston shank and being configured to bias said piston.