Lubrication – Systems – For chassis lubrication
Patent
1975-10-20
1976-11-23
Pinkham, Richard C
Lubrication
Systems
For chassis lubrication
137270, F01M 106
Patent
active
039931650
ABSTRACT:
Lubricant dosing device for double-action, two-conduit central lubricating systems, wherein a housing has therein two piston chambers, an outlet control chamber, two inlets for a pressurized lubricant, and two outlets for predetermined dosed amounts of the lubricant. One chamber is for a control piston and the other for a dosing piston; the longitudinal axes of all three chambers preferably pass through corners of an imaginary triangle perpendicular to the main axis of the housing. As a main feature, a reversible closing member is insertable in the control chamber, preferably including at least two communicating spaces, bores or grooves, by the aid of which the predetermined dosed amounts of the lubricant can be discharged, by the reciprocation of the dosing piston, selectively through one outlet of the device, when the closing member is inserted in one operative position, and through both outlets, when the closing member is axially reversed before insertion in the control chamber in another operative position. Preferably the axes of the Lubricant outlets also pass through one of the corners of the imaginary triangle.
REFERENCES:
patent: 2331924 (1943-10-01), Nemetz
patent: 2690816 (1954-10-01), Pawling
patent: 3219146 (1965-11-01), Leese
patent: 3220375 (1965-11-01), Gruber
patent: 3330380 (1967-07-01), Fujita
patent: 3901267 (1975-08-01), Moon
Pinkham Richard C
Siskind Marvin
Thein Tab T.
VEB Schmiergeratewerk Saxonia
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