Automatic lubricant dispenser

Details Automatic lubricant dispenser Automatic lubricant dispenser

1997-11-10

1999-10-26

Kashnikow, Andres

Dispensing

With discharge assistant

Container with follower

222327, F16N 714

Patent

active

059712295

ABSTRACT:
An automatic lubricant dispenser has a lower housing part formed with an outlet, a piston displaceable along an axis in the lower part and forming therein a compartment, a spindle extending along the axis, threaded into the piston, having an upper end above the piston provided with a lower coupling half, and a body of fluent lubricant filling the compartment and forming with the spindle, piston, and lower housing part a lower subassembly. An upper housing part securable to the lower part via a screwthread forms an upper subassembly. An insert mainly in the upper housing part forms a battery compartment and carries a motor unit having an output shaft projecting downward therefrom at the axis and provided with an upper coupling half axially engageable with the lower coupling half. The coupling halves are axially engageable to rotationally couple the motor output shaft to the spindle. A battery is provided in the battery compartment and a circuit board fixed to the insert is connected between the battery and the motor unit. An on-off switch mounted on the circuit board is actuatable to energize the motor unit from the battery. The insert, motor unit, battery, circuit board, and switch together forming a core subassembly normally held between the upper and lower subassemblies.

REFERENCES:
patent: 3993226 (1976-11-01), Pavenick
patent: 4087025 (1978-05-01), Steiman
patent: 4258866 (1981-03-01), Bergman
patent: 4671386 (1987-06-01), Orlitzky
patent: 5271528 (1993-12-01), Chien
patent: 5732794 (1998-03-01), Orlitzky

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