US3581997A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Spray gun means
Assignee: Burgess Products Co Ltd
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Filing: 1969-01-06
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Granted: 1971-06-01
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Expires: 1989-01-06
Abstract
Abstract A spray gun and container means threadably and sealably cooperating therewith for holding a supply of liquid therein and a reciprocable pump operably extending into the container selectively operated by a vibrator motor means and lever means controlled by a handle trigger switch means in the gun to pump the liquid in the container through a spray nozzle of the gun for dispensing the liquid from the container. The base portion of the handle of the gun extending in a slanting manner and adapted to suitably rest on a base common to the container base.
Inventors
- 👤 Norman W Stevenson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 07:21
CPC Classifications
B; B05; B05B; B05B9/00; B05B9/03; B05B9/04; B05B9/08; B05B9/085; B05B9/0855; B05B9/0861
Claims Analysis
Total Claims: 11
Claim 1
Independent Claim
151 words
A spray gun comprising a handle portion and rear housing portion, a motor contained in the rear housing portion, a front housing portion comprising a base portion having a downwardly extending threaded coupling portion, a spray nozzle means operably carried by said front housing portion, a receptacle for containing spray fluid therein detachably connected with said coupling portion, a pump assembly angularly carried by said base portion, a feed tube carried by said base portion and operably communicating from said pump to said nozzle means, said motor means carried by said rear housing portion including means in said handle portion for controlling and actuating said motor and pump assembly including fluid circuit means in said front housing portion operably interconnected to said nozzle means, and releasably hinged means operably interconnecting said rear housing portion to said front housing portion for cleaning, portability and quick interchange of fluid receptacle during use thereof.
Claim 2
Dependent Claim
151 words
A spray gun comprising a handle portion and rear housing portion, a motor contained in the rear housing portion, a front housing portion comprising a base portion having a downwardly extending threaded coupling portion, a spray nozzle means operably carried by said front housing portion, a receptacle for containing spray fluid therein detachably connected with said coupling portion, a pump assembly angularly carried by said base portion, a feed tube carried by said base portion and operably communicating from said pump to said nozzle means, said motor means carried by said rear housing portion including means in said handle portion for controlling and actuating said motor and pump assembly including fluid circuit means in said front housing portion operably interconnected to said nozzle means, and releasably hinged means operably interconnecting said rear housing portion to said front housing portion for cleaning, portability and quick interchange of fluid receptacle during use thereof.
Claim 3
Dependent Claim
30 words
A spray gun according to claim 1 in which the handle portion also contains a switch, electrical connections for the motor and a trigger for opening and closing the switch.
Claim 4
Dependent Claim
27 words
A spray gun according to claim 1 in which the front portion is provided with an attachment for a container for liquid and the entire liquid circuit.
Claim 5
Dependent Claim
23 words
A spray gun according to claim 3, in which the motor is an electric motor provided with a link for driving the pump.
Claim 6
Dependent Claim
28 words
A spray gun according to claim 4, in which the motor is an electromagnet having an armature movable inwardly on the passage of alternating current through the electromagnet.
Claim 7
Dependent Claim
24 words
A spray gun according to claim 5, in which the front portion is securable to the handle portion by means of a single screw.
Claim 8
Dependent Claim
14 words
A spray gun according to claim 6 which includes a fitted container for liquid.
Claim 9
Dependent Claim
19 words
A spray gun according to claim 7, in which the pump is inclined to the line of intended spray.
Claim 10
Dependent Claim
31 words
A spray gun according to claim 7 in which the container bottom is shaped to cooperate with the pump cylinder so as to ensure maximum utilization of liquid to be sprayed.
Claim 11
Dependent Claim
20 words
A spray gun according to claim 9, in which the reciprocable pump has a piston head with an insulated cap.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-05-31 | 1974-11-30 | 1975-06-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-05-31 | 1978-11-30 | 1979-06-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-05-31 | 1982-11-30 | 1983-06-01 | $7700.00 | Window Closed / Lapsed |