US3592244A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Flask-charging apparatus
Assignee: Individual
•
Filing: 1968-06-28
•
Granted: 1971-07-13
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Expires: 1988-06-28
Abstract
Abstract Apparatus adapted for charging portable gas-containing flasks adapted for use with spraying devices. The apparatus includes a compressor driven by an electric motor, the operation of the motor being initiated by a switch engaged by the flask when the flask is operatively mounted at the charging station of the apparatus. A pressure-operated switch is disposed in the motor circuit for shutting off the motor driving the compressor when the flask has been charged to the desired predetermined pressure. The apparatus is provided with a novel check valve which is disposed between the compressor and the flask-charging station. The apparatus has a split housing, the parts of the housing being secured together by means which also secures the motor and the compressor to the housing.
Inventors
- 👤 Edward B Chamberlin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 03:10
CPC Classifications
B; B05; B05B; B05B7/00; B05B7/24; B05B7/2402; B05B7/2405; B05B7/2416
Claims Analysis
Total Claims: 7
Claim 1
Independent Claim
202 words
An apparatus for charging portable containers having at one end a hollow gas inlet port provided with a check valve permitting flow of gas only into the container, said apparatus comprising a container-charging station adapted to have the end of a container carrying the gas inlet port positioned thereon, a tubular outlet means fixedly connected to the charging station and positioned and dimensioned to slidably receive the gas inlet port and produce a gastight seal when the container is slid thereon, said tubular outlet means comprising a post having passage means for alignment with said check valve and elastic means for sealingly engaging said hollow inlet port of said container for a predetermined pressure, said elastic means engaging said hollow inlet port on each side of said check valve to preclude said container from being propelled from said post, gas-compressing means and a connection to the tubular outlet means, and means responsive to sliding a container into the charging station to initiate the gas-compressIng means, whereby when a container is slid on the charging station compressed gas passes through the tubular outlet and the gas inlet port of the container into the container only when the passage and check valve are aligned.
Claim 2
Independent Claim
202 words
An apparatus for charging portable containers having at one end a hollow gas inlet port provided with a check valve permitting flow of gas only into the container, said apparatus comprising a container-charging station adapted to have the end of a container carrying the gas inlet port positioned thereon, a tubular outlet means fixedly connected to the charging station and positioned and dimensioned to slidably receive the gas inlet port and produce a gastight seal when the container is slid thereon, said tubular outlet means comprising a post having passage means for alignment with said check valve and elastic means for sealingly engaging said hollow inlet port of said container for a predetermined pressure, said elastic means engaging said hollow inlet port on each side of said check valve to preclude said container from being propelled from said post, gas-compressing means and a connection to the tubular outlet means, and means responsive to sliding a container into the charging station to initiate the gas-compressIng means, whereby when a container is slid on the charging station compressed gas passes through the tubular outlet and the gas inlet port of the container into the container only when the passage and check valve are aligned.
Claim 3
Dependent Claim
36 words
An apparatus according to claim 1 in which the gas-compressing means is driven by a motor and the means responsive to sliding a container on the charging station is a switch connected to start the motor.
Claim 4
Dependent Claim
28 words
An apparatus according to claim 1 in which the gas-compressing means is provided with a stopping means actuated when gas pressure into the container exceeds a predetermined amount.
Claim 5
Dependent Claim
34 words
An apparatus according to claim 2 in which the gas-compressing means is provided with a switch actuated by gas pressure to the container in excess of a predetermined amount, said switch stopping the motor.
Claim 6
Dependent Claim
39 words
An apparatus according to claim 2 in which the switch actuated by sliding a container on the charging station is a spring switch and opens under spring pressure when a charged container is slid off of the charging station.
Claim 7
Dependent Claim
39 words
An apparatus according to claim 4 in which the switch actuated by sliding a container on the charging station is a spring switch and opens under spring pressure when a charged container is slid off of the charging station.
References Cited (Backward Citations)
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US1187031A
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US2580567A
Cited
US2462642A
Cited
US2689075A
Cited
US3211191A
Cited
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Cited
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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) | 1974-07-12 | 1975-01-11 | 1975-07-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-07-12 | 1979-01-11 | 1979-07-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-07-12 | 1983-01-11 | 1983-07-13 | $7700.00 | Window Closed / Lapsed |