Arrangement for lubricating bearing surfaces of a tool of a...

Details Arrangement for lubricating bearing surfaces of a tool of a... Arrangement for lubricating bearing surfaces of a tool of a...

2005-08-16

2005-08-16

Fenstermacher, David M. (Department: 3682)

Lubrication

Lubricators

Force feed

C184S040000, C184S007400

Reexamination Certificate

active

06929098

ABSTRACT:
An arrangement for lubricating the bearing surfaces between a tool of a hydraulic impact device and the impact device, the arrangement comprising a supply pump and a channel for supplying lubricant. The arrangement comprises at least two separate channels (19, 20), and both channels comprise a separate dosing pump (17, 18) which supply predetermined amounts of lubricant between the bearing surfaces when the impact device starts.

REFERENCES:
patent: 3595342 (1971-07-01), O'Leary
patent: 4047595 (1977-09-01), Baker, Jr.
patent: 5060761 (1991-10-01), Arndt et al.
patent: 5160814 (1992-11-01), Petermann
patent: 5673669 (1997-10-01), Maley et al.
patent: 6390034 (2002-05-01), Orzal et al.
patent: 6543276 (2003-04-01), Murphy et al.
patent: 0 525 498 (1993-02-01), None
patent: 0 525 498 (1993-02-01), None
patent: 0 525 498 (1993-02-01), None

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