Back to results
US 6,631,541 B2Granted
Hammer piston handling apparatus
AssigneeFrank's Casing Crew and Rental Tools, Inc.
InventorsDonald E. Mosing, David L. Sipos
Life of this patent
Estimating the term…
Abstract
A frame is supported on adjustable jacks for aligning with a pile driver hammer body for removal or installation of the hammer piston. A terminal tube on the frame clamps to the hammer and a powered ram moves the piston.
Claims9
A piston manipulation apparatus for use with pile driving hammers, the apparatus comprising:
- a) an elongated frame to receive a removed piston, and to support and direct piston forcing means, with adjustable standard means to support the frame above a preselected surface;
- b) said piston forcing means arranged to ride the longitudinal direction of said frame and exert piston moving force in said longitudinal direction, said piston forcing means having means to temporarily connect to said piston, and means to releasably connect to said frame;
- and
- c) attachment means to secure said elongated frame to said pile driving hammer.
1 more element
A piston handling apparatus for removing and replacing the piston of a pile driving hammer, the apparatus comprising:
- a) a frame arranged to receive and support said piston;
- b) support and positioning apparatus arranged to support said frame, above an underlying surface, and to align a first end of said frame with the piston bore of said hammer;
- c) means to secure said frame to said hammer;
- d) forcing means situated to move along said frame and push said piston into said hammer and to pull it from said hammer.
1 more element
Dependencies are inferred from the claim text.