Pile hammers

Details Pile hammers Pile hammers

1974-08-07

1976-02-03

Purser, Ernest R.

Tool driving or impacting

Impacting devices

Hammer head comprises plural parts or diverse materials

91234, E02D 710

Patent

active

039359085

ABSTRACT:
Power hammers for driving piling, and the like, free of any complex valve mechanism likely to require attention and comprising a working cylinder having an anvil at the lower end thereof and a ram operative as a piston in the cylinder, cooperative with the anvil and surrounding walls of the cylinder to form an expansion chamber, the ram having a passage extending from an annular groove intermediate the ends of the ram, down through the lower end to the expansion chamber and the cylinder having pressure supply and exhaust ports to register with the passage and to be uncovered by the ram, in lower and upper positions of the ram in the cylinder, whereby the essential functions of the hammer are automatically effected in the normal operation of the ram. Pressure controlled valves may be added to automatically hold desired pressures and release opposing pressures on the ram.

REFERENCES:
patent: 1264318 (1918-04-01), McGrath
patent: 1601733 (1926-10-01), Gilman
patent: 2345563 (1944-04-01), Alcorn
patent: 2820433 (1958-01-01), Pyk

Affiliated with

Also associated with

Rating

Pile hammers does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Pile hammers, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Pile hammers will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-2118228