Hydraulic distributor for percussion apparatus driven by an inco

Details Hydraulic distributor for percussion apparatus driven by an inco Hydraulic distributor for percussion apparatus driven by an inco

1988-07-18

1989-08-22

Yost, Frank T.

Tool driving or impacting

Impacting devices

Impact transmitting anvil

91282, B23B 4516

Patent

active

048587028

ABSTRACT:
In the body of the distributor (6) is mounted for sliding a valve (21) delimiting with the bore of the distributor in which it is mounted at least one control chamber (22) in permanent communication by means of at least one channel (31) with the control chamber of the distributor. When a hydraulic signal is received in the control chambers, the valve (21) moves, controlling the subsequent movement of the distributor (6) independently of any hydraulic connection made by the percussion piston.

REFERENCES:
patent: 4474248 (1984-10-01), Musso
patent: 4563938 (1986-01-01), Henriksson
patent: 4646854 (1987-03-01), Arndt et al.

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