Patent US3603694A successfully refreshed from Google Patents.
US3603694A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Device for feeding paint to a painting brush
Assignee: Individual
•
Filing: 1969-11-10
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Granted: 1971-09-07
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Expires: 1989-11-10
Abstract
Abstract A pistol-type handle on the end of which is a hollow hub to which are fixed the bristles of a paint brush; in the hollow handle is a trigger actuated mechanism to pump paint between the bristles of the paint brush; another point is that the pumping mechanism simultaneously with the pumping advances the paint feeding nozzles to feed the paint at the point nearer to the tips of the bristles and after each feeding the nozzles are withdrawn from the bristles into the hollow hub so as not to interfere with the flexing of the bristles in painting; the hollow handle and the pumping device are connected by a flexible hose to a portable paint container which can be carried on the shoulders or back of the person using the device.
Inventors
- 👤 Ronald D Hamm
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-10 01:11
CPC Classifications
B; B05; B05B; B05B11/00; B05B11/01; B05B11/10; B05B11/1001; B05B11/1004; A; A46; A46B; A46B11/00; A46B11/06; A46B11/063; B05B11/1009; B05B11/1011; B05B11/1095; B05B9/00; B05B9/03; B05B9/04; B05B9/0403; B05B9/0426; B05C; B05C17/00; B05C17/002; A46B2200/00; A46B2200/20; A46B2200/202
Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
176 words
In a device for feeding paint into a paint brush, a hollow handle a hand grip portion on the handle, a hollow brush base of said paint brush secured on the handle, a paint discharging device normally retracted into said hollow base, a paint pumping device in saiD handle, means to connect said pumping device to said paint discharging device for transmitting paint and for simultaneous pumping action and reciprocation of said paint pumping device and said paint discharging device together to a paint discharging position and back to a retracted position thereby to leave the brush bristles unobstructed after each feeding operation, manipulatable means on said handle connected to said pumping device for reciprocating said pumping device at will, means to transfer paint from a paint supply to said pumping device, a hollow nozzle base supporting said nozzles, said nozzle base fitting into said hollow brush base, and the height of said nozzle base and the length of said nozzles being such as to be substantially completely withdrawn into said hollow brush base when retracted.
Claim 2
Dependent Claim
176 words
In a device for feeding paint into a paint brush, a hollow handle a hand grip portion on the handle, a hollow brush base of said paint brush secured on the handle, a paint discharging device normally retracted into said hollow base, a paint pumping device in saiD handle, means to connect said pumping device to said paint discharging device for transmitting paint and for simultaneous pumping action and reciprocation of said paint pumping device and said paint discharging device together to a paint discharging position and back to a retracted position thereby to leave the brush bristles unobstructed after each feeding operation, manipulatable means on said handle connected to said pumping device for reciprocating said pumping device at will, means to transfer paint from a paint supply to said pumping device, a hollow nozzle base supporting said nozzles, said nozzle base fitting into said hollow brush base, and the height of said nozzle base and the length of said nozzles being such as to be substantially completely withdrawn into said hollow brush base when retracted.
Claim 3
Dependent Claim
52 words
The device specified in claim 1, and said hollow handle having a nose, said brush base being secured to said nose, said connecting means being a conduit extended from said nozzle base slidably through said brush base and through said nose and being connected to said paint pumping device in said handle.
Claim 4
Dependent Claim
394 words
In a device for feeding paint brush, a hollow handle, a hand grip portion on the handle, a hollow brush base of said paint brush secured on the handle, a paint discharging device normally retracted into said hollow base, a paint pumping device in said handle, means to connect said pumping device to said paint discharging device for transmitting paint and for simultaneous pumping action and reciprocation of said paint pumping device and said paint discharging device together to a paint discharging position and back to a retracted position thereby to leave the brush bristles unobstructed after each feeding operation, manipulatable means on said handle connected to said pumping device for reciprocating said pumping device at will, means to transfer paint from a paint supply to said pumping device, said paint pumping device including a cylinder reciprocable in said handle, said connecting means including a conduit connecting said cylinder to said paint discharging device and transmitting reciprocating movement of said cylinder to said paint discharging device respectively to project said paint discharging device into the bristles of said paint brush and to retract said device into the brush base, said paint transfer means including a pump sleeve slideable over said cylinder, means in said cylinder and in said pump sleeve to prevent back flow of the paint during movement of the cylinder and the pump sleeve toward the paint brush, said backflow preventing means in said sleeve being openable during the retracting stroke of movement of said sleeve by the suction created by the retracting movement of said sleeve relatively to said cylinder thereby to draw paint into said sleeve, said backflow preventing means in said cylinder being openable by the pressure created by movement of said pump sleeve toward and over said cylinder thereby to press the paint from said sleeve into said cylinder, means to connect said sleeve to a paint supply, said manipulatable means including a trigger on the handle, connecting means between the trigger and said pump sleeve for moving said sleeve toward said cylinder when said trigger is manipulated, resilient means in the handle for retracting said sleeve, and coacting elements on said pump sleeve and on said cylinder to transmit movement from said sleeve to said cylinder after predetermined initial movement of said sleeve toward said paint brush and after predetermined movement of said sleeve during retracting movement.
Claim 5
Dependent Claim
394 words
In a device for feeding paint brush, a hollow handle, a hand grip portion on the handle, a hollow brush base of said paint brush secured on the handle, a paint discharging device normally retracted into said hollow base, a paint pumping device in said handle, means to connect said pumping device to said paint discharging device for transmitting paint and for simultaneous pumping action and reciprocation of said paint pumping device and said paint discharging device together to a paint discharging position and back to a retracted position thereby to leave the brush bristles unobstructed after each feeding operation, manipulatable means on said handle connected to said pumping device for reciprocating said pumping device at will, means to transfer paint from a paint supply to said pumping device, said paint pumping device including a cylinder reciprocable in said handle, said connecting means including a conduit connecting said cylinder to said paint discharging device and transmitting reciprocating movement of said cylinder to said paint discharging device respectively to project said paint discharging device into the bristles of said paint brush and to retract said device into the brush base, said paint transfer means including a pump sleeve slideable over said cylinder, means in said cylinder and in said pump sleeve to prevent back flow of the paint during movement of the cylinder and the pump sleeve toward the paint brush, said backflow preventing means in said sleeve being openable during the retracting stroke of movement of said sleeve by the suction created by the retracting movement of said sleeve relatively to said cylinder thereby to draw paint into said sleeve, said backflow preventing means in said cylinder being openable by the pressure created by movement of said pump sleeve toward and over said cylinder thereby to press the paint from said sleeve into said cylinder, means to connect said sleeve to a paint supply, said manipulatable means including a trigger on the handle, connecting means between the trigger and said pump sleeve for moving said sleeve toward said cylinder when said trigger is manipulated, resilient means in the handle for retracting said sleeve, and coacting elements on said pump sleeve and on said cylinder to transmit movement from said sleeve to said cylinder after predetermined initial movement of said sleeve toward said paint brush and after predetermined movement of said sleeve during retracting movement.
Claim 6
Dependent Claim
51 words
The device specified in claim 3, and a tube in said handle, an intake portion of said pump sleeve being slidable relatively to said tube for paint transmission during reciprocation of said pump sleeve, a portable paint container, and a conduit connecting said tube in the Handle to said paint container.
References Cited (Backward Citations)
GB480873A
Cited
US2227792A
Cited
US2517152A
Cited
US2785425A
Cited
US3088159A
Cited
GB860102A
Cited
US3197800A
Cited
US3304573A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-09-06 | 1975-03-08 | 1975-09-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-09-06 | 1979-03-08 | 1979-09-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-09-06 | 1983-03-08 | 1983-09-07 | $7700.00 | Window Closed / Lapsed |