US3987869A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Back pack lubrication system
Assignee: Individual
•
Filing: 1975-08-14
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Granted: 1976-10-26
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Expires: 1995-08-14
Abstract
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.
Inventors
- 👤 George Keith Bowers
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 22:18
CPC Classifications
F; F16; F16N; F16N13/00; F16N13/02; F16N13/06; F16N13/10
Claims Analysis
Total Claims: 5
Claim 1
Independent Claim
136 words
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.
Claim 2
Dependent Claim
136 words
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.
Claim 3
Dependent Claim
20 words
The lubrication system claimed in claim 1 wherein said mounting means includes straps and cooperating brackets affixed to said base.
Claim 4
Dependent Claim
15 words
The lubrication system claimed in claim 1 wherein said lubricant pressurizing means comprises an auger.
Claim 5
Dependent Claim
16 words
The lubrication system claimed in claim 1 wherein said lubricant pressurizing means comprises a reciprocated piston.
References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1979-10-26 | 1980-04-26 | 1980-10-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1983-10-26 | 1984-04-26 | 1984-10-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1987-10-26 | 1988-04-26 | 1988-10-26 | $7700.00 | Window Closed / Lapsed |