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US 3,987,869 AGranted
Back pack lubrication system
OwnerGeorge Keith Bowersinventor
Life of this patent
Estimating the term…
Abstract
A lubrication system including a base with shoulder straps. A motor pressurizes grease received from cylinders having spring urged pistons. The pressurized grease is discharged by a grease gun at the end of a grease hose with a grease gun mounted switch controlling motor operation. The grease cylinders are removably mounted on the base by brackets and straps.
Claims4
A back pack lubrication system comprising in combination,
- a base adapted for transport on the back of an operator,
- lubricant cylinders including conduit means for discharging cylinder carried lubricant,
- means removably mounting said cylinders to said base,
- lubricant pressuring means on said base including,
- a motor in electrical circuit with a power source on said base,
- lubricant pressurizing means driven by said motor,
- a housing receiving lubricant from said cylinders and directing same to said pressurizing means,
- said conduit means of the cylinders in detachable sealed engagement with said housing permitting cylinder disengagement for refilling purposes, and
- a grease gun served by a hose in communication with said housing and including switch means in circuit with said motor for actuation by the operator to close the motor circuit to pressurize lubricant within said hose and gun.
6 more elements
Dependencies are inferred from the claim text.