Patent US3868050A successfully refreshed from Google Patents.
US3868050A
Expired / Lapsed
US
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Valve assembly for semi-frozen commodity
Assignee: Taylor Freezer Co
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Filing: 1973-10-29
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Granted: 1975-02-25
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Expires: 1993-10-29
Abstract
Abstract A valve assembly in a semi-frozen confection machine for dispensing the semi-frozen confection, including: a block member having a first passage communicating with the machine and a second passage inclined relative to and communicating with the first passage and the open atmosphere; and a piston within the first passage, movable between closed and opened positions. In the open position, the piston allows the commodity to transfer from the machine, into the first passage, and into the second passage for dispensing therefrom. In the closed position the piston fills the first passage at the freeze cylinder for deplugging the passage and cutting off flow to the second passage. The second passage is self-draining when the piston is closed and the piston is self-locking in its closed position.
Inventors
- 👤 Carl Gorychka
- 👤 Richard M Keyes
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 22:14
CPC Classifications
A; A23; A23G; A23G9/00; A23G9/04; A23G9/22; A23G9/28; A23G9/281; F; F16; F16K; F16K31/00; F16K31/44; F16K31/52; F16K31/528; F16K31/5286
Claims Analysis
Total Claims: 5
Claim 1
Independent Claim
332 words
In a semi-frozen commodity confection machine of the type which operates under positive pressure, a valve assembly for dispensing a semi-frozen commodity comprising: a block member comprising a first passage having a receiving port communicating with the machine for receiving semi-frozen commodity and a rear port, a second passage having a first port communicating with said first passage and a dispensing port for dispensing the commodity, said second passage being inclined relative to said first passage, and a ring portion having an inner area communicating with said rear port; a piston movably positioned within said first passage and having first and second ends; a piston block member coupled to said second end of said piston and having an elongated slot therein; a bifurcated disc comprising two arms within said ring, said disc being free to rotate therein, and having a slot in each said arm, said slots being aligned with each other; said piston block member positioned in between said bifurcated disc arms and said block member slot being aligned with said aligned arm slots; a pin extending through said piston block member slot and said aligned arm slots; and means for rotating said disc to cause said pin to travel in a circular path and ride within said piston block member slot for imparting linear travel to said piston within said first passage between first and second travel positions, said piston being in a closed valve position within said first passage at said first travel position to preclude transfer of the commodity from the machine to said first passage, and in an open valve position at said second travel position to allow the commodity to be transferred under positive pressure from the machine, through said first passage, and through said second passage to be dispensed therefrom whereby, said piston travels linearally within said first passage, and after closing of said valve, the residual frozen commodity within said second passage melts and runs down said inclined passage precluding blockage of said valve.
Claim 2
Dependent Claim
332 words
In a semi-frozen commodity confection machine of the type which operates under positive pressure, a valve assembly for dispensing a semi-frozen commodity comprising: a block member comprising a first passage having a receiving port communicating with the machine for receiving semi-frozen commodity and a rear port, a second passage having a first port communicating with said first passage and a dispensing port for dispensing the commodity, said second passage being inclined relative to said first passage, and a ring portion having an inner area communicating with said rear port; a piston movably positioned within said first passage and having first and second ends; a piston block member coupled to said second end of said piston and having an elongated slot therein; a bifurcated disc comprising two arms within said ring, said disc being free to rotate therein, and having a slot in each said arm, said slots being aligned with each other; said piston block member positioned in between said bifurcated disc arms and said block member slot being aligned with said aligned arm slots; a pin extending through said piston block member slot and said aligned arm slots; and means for rotating said disc to cause said pin to travel in a circular path and ride within said piston block member slot for imparting linear travel to said piston within said first passage between first and second travel positions, said piston being in a closed valve position within said first passage at said first travel position to preclude transfer of the commodity from the machine to said first passage, and in an open valve position at said second travel position to allow the commodity to be transferred under positive pressure from the machine, through said first passage, and through said second passage to be dispensed therefrom whereby, said piston travels linearally within said first passage, and after closing of said valve, the residual frozen commodity within said second passage melts and runs down said inclined passage precluding blockage of said valve.
Claim 3
Dependent Claim
83 words
A valve assembly in accordance with claim 1 wherein said ring portion includes a slot, and where said bifurcated disc is coupled to a control arm extending through said slot in said ring portion, said ring slot defining a predetermined are of rotation of said disc wherein said first travel position corresponds to said control arm abutting one end of said ring slot, and where said second travel position corresponds to said lever arm abutting the other said end of said ring slot.
Claim 4
Dependent Claim
101 words
A valve assembly in accordance with claim 1 whereIn the center of rotation of said disc is located on the central axis of said piston, and where said slot in said piston block member extends below said central axis of said piston, whereby when said piston is in said closed position, the central axis of said pin is positioned relative to the central axis of said piston and said center or rotation of said disc thereby providing a reverse torque to said disc causing said disc to lock in said closed position due to the positive pressure exerting against said piston.
Claim 5
Dependent Claim
48 words
A valve assembly in accordance with claim 1 wherein said piston extends through said receiving port and into the machine when in said closed valve position whereby, the extension of said piston into the machine completely clears said first passage of residual commodity precluding blockage of said valve.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1978-02-24 | 1978-08-26 | 1979-02-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1982-02-24 | 1982-08-26 | 1983-02-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1986-02-24 | 1986-08-26 | 1987-02-25 | $7700.00 | Window Closed / Lapsed |