Hydraulic vibrator for moving a ramming and drawing body and a m

Details Hydraulic vibrator for moving a ramming and drawing body and a m Hydraulic vibrator for moving a ramming and drawing body and a m

1980-03-18

1982-01-05

Feldbaum, Ronald

Tool driving or impacting

Impacting devices

Hammer head constitutes piston of drive motor

91 39, 173134, B23B 4516, B25D 900, B25D 1100, B25D 1300

Patent

active

043089240

ABSTRACT:
A hydraulic vibrator for moving a ramming or drawing body or the like has a hydraulic working cylinder, a double-acting working piston axially movable in the hydraulic working cylinder, and a device for supplying a working medium into the hydraulic working cylinder, alternately at both axial sides of the working piston so that the working piston vibrates with selectively variable frequency and displaces the ramming and drawing body or the like.

REFERENCES:
patent: 2773482 (1956-12-01), Dickie
patent: 3547206 (1970-12-01), Phillips
patent: 3805896 (1974-04-01), Bauer
patent: 3847230 (1974-11-01), Blomquist

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