Hydrostatic pressure worm-rack devices

Details Hydrostatic pressure worm-rack devices Hydrostatic pressure worm-rack devices

1986-11-26

1988-05-03

Staar, Lawrence J.

Machine element or mechanism

Gearing

Directly cooperating gears

74468, 184 612, F16H 5704, F10M 910

Patent

active

047412208

ABSTRACT:
In a hydrostatic pressure worm-rack device of the type comprising a worm formed with operating oil supply opening at the opposite flanks of respective teeth of the worm, opposite flanks of respective teeth of the rack being formed with oil pockets, there are provided an oil distributor mounted on one end of the worm shaft for supplying oil to mating surfaces and not mating surfaces of the teeth of the worm and rack and for supplying pilot oil to pilot oil supply ports provided for the flanks of the teeth at the opposite ends of the worm which firstly mate with the teeth of the rack.

REFERENCES:
patent: 3031897 (1962-05-01), Seidel
patent: 3323385 (1967-06-01), Revitt
patent: 3361003 (1968-01-01), Hodgson
patent: 3448632 (1969-06-01), Rumbarger
patent: 3454136 (1969-07-01), Stark
patent: 3595100 (1971-07-01), Stark et al.
patent: 3651706 (1972-03-01), Galbarini et al.
patent: 3737008 (1973-06-01), Wagner
patent: 3752596 (1973-08-01), Weyand et al.
patent: 3763959 (1973-10-01), Neugebauer
patent: 3789956 (1974-02-01), Neugebauer
patent: 4148227 (1979-04-01), Neugebauer
Pressure Pad Bearings by H. Opitz, Paper 8, vol. 182, Pt3A.

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