US3680693A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fluid control system for selector scales
Assignee: Altenpohl W F Inc
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Filing: 1970-10-16
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Granted: 1972-08-01
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Expires: 1990-10-16
Abstract
Abstract Fluid controls actuated by a pair of weighing scales, effect removal of poultry from carriers conveyed along a track, at a release station corresponding to one of the scales through which a lower weight limit is established. The poultry carriers pass initially through a first memory station at which the other scale establishes the upper weight limit. Air jet sensors associated with the scales and a reset device, transmit information to a scale lockout device and a carrier release device.
Inventors
- 👤 William F Altenpohl
- 👤 Paul J Altenpohl
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 06:19
CPC Classifications
G; G01; G01G; G01G19/00; F; F15; F15C; F15C1/00; F15C1/005
Claims Analysis
Total Claims: 13
Claim 1
Independent Claim
101 words
In combination with a pair of monitoring devices at spaced stations along a path through which articles are conveyed, a control system for removing selected articles from said path having characteristics within a range defined by upper and lower limits respectively established by said monitoring devices, said control system including lockout means for preventing operation of one of said monitoring devices, article release means actuated in response to operation of said one of the monitoring devices, and fluid operated memory means operatively connected to the lockout means for actuation thereof in response to operation of the other of the monitoring devices.
Claim 2
Dependent Claim
101 words
In combination with a pair of monitoring devices at spaced stations along a path through which articles are conveyed, a control system for removing selected articles from said path having characteristics within a range defined by upper and lower limits respectively established by said monitoring devices, said control system including lockout means for preventing operation of one of said monitoring devices, article release means actuated in response to operation of said one of the monitoring devices, and fluid operated memory means operatively connected to the lockout means for actuation thereof in response to operation of the other of the monitoring devices.
Claim 3
Dependent Claim
25 words
The combination of claim 1 including reset means responsive to movement of the articles past one of the spaced stations for clearing the memory means.
Claim 4
Dependent Claim
88 words
The combination of claim 2 wherein said memory means includes a source of pressurized fluid, distributor valve means displaceable between two operative positions conducting fluid from said source to the lockout means, jet sensing means responsive to movement of said other of the monitoring devices for effecting displacement of the valve means to one of said operative positions when an article exceeds the upper limit, and means for holding the valve means in said one of the operative positions to maintain the lockout means in an actuated position.
Claim 5
Dependent Claim
40 words
The combination of claim 3 wherein said jet sensing means includes nozzle and receiver portions connected to said source establishing a fluid jet within an air gap, and solid interrupter means displaceable by the monitoring device into said air gap.
Claim 6
Dependent Claim
77 words
The combination of claim 4 wherein said reset means includes a jet sensor having an air gap through which jet flow of fluid from said source is conducted for resetting the memory means, means connected to the source for establishing a fluid flow barrier in said air gap preventing reset of the memory means, and air gap sensing means for interrupting said flow barrier in response to departure of the articles from said one of the stations.
Claim 7
Dependent Claim
77 words
The combination of claim 2 wherein said reset means includes a jet sensor having an air gap through which jet flow of fluid from said source is conducted for resetting the memory means, means connected to the source for establishing a fluid flow barrier in said air gap preventing reset of the memory means, and air gap sensing means for interrupting said flow barrier in response to departure of the articles from said one of the stations.
Claim 8
Dependent Claim
88 words
The combination of claim 1 wherein said memory means includes a source of pressurized fluid, distributor valve means displaceable between two operative positions conducting fluid from said source to the lockout means, jet sensing means responsive to movement of said other of the monitoring devices for effecting displacement of the valve means to one of said operative positions when an article exceeds the upper limit, and means for holding the valve means in said one of the operative positions to maintain the lockout means in an actuated position.
Claim 9
Dependent Claim
40 words
The combination of claim 7 wherein said jet sensing means includes nozzle and receiver portions connected to said source establishing a fluid jet within an air gap, and solid interrupter means displaceable by the monitoring device into said air gap.
Claim 10
Dependent Claim
27 words
The combination of claim 1 wherein each of said monitoring means comprises an article weighing mechanIsm having an elongated scale beam positioned generally parallel to said path.
Claim 11
Dependent Claim
91 words
In combination with a station through which articles are conveyed, means for monitoring the passage of an article through the station including a source of pressurized fluid, a signal control device having an air gap through which jet flow of fluid from the source is conducted, jet deflective means connected to the source for establishing a fluid flow barrier in said air gap, sensing means responsive to the presence of the article at the station for removing said fluid flow barrier, and means for removing selected articles conveyed through the station.
Claim 12
Dependent Claim
91 words
In combination with a station through which articles are conveyed, means for monitoring the passage of an article through the station including a source of pressurized fluid, a signal control device having an air gap through which jet flow of fluid from the source is conducted, jet deflective means connected to the source for establishing a fluid flow barrier in said air gap, sensing means responsive to the presence of the article at the station for removing said fluid flow barrier, and means for removing selected articles conveyed through the station.
Claim 13
Dependent Claim
64 words
The combination of claim 10 wherein said sensing means comprises a nozzle connected to the source from which fluid for the fluid flow barrier is derived, and receiver means spaced by a second air gap from the nozzle conducting the fluid passing through the second air gap to the jet deflective means, said second air gap being positioned in the path of the article.
References Cited (Backward Citations)
US3291303A
Cited
US3289832A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1975-08-01 | 1976-01-31 | 1976-08-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-08-01 | 1980-01-31 | 1980-08-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-08-01 | 1984-01-31 | 1984-08-01 | $7700.00 | Window Closed / Lapsed |