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US3871332A Expired / Lapsed US ⏱️ 0.0 years remaining

Apparatus for sucking up and transferring fishes

Assignee: Kyoei Zoki Co Ltd
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Filing: 1973-10-19
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Granted: 1975-03-18
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Expires: 1993-10-19
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Abstract

Abstract An apparatus for sucking up and transferring fishes has a hermetically closed tank connected to a fish water suction pipe and to a fish transfer pipe. A fish water sucking up operation through the fish water suction pipe and a fish transferring operation through the fish transfer pipe are alternately changed over whereby fishes caught can be transferred to any desired place with the aid of a mechanical means with a high efficiency.

Inventors

  • 👤 Takeshi Hayashi

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-09 02:18
CPC Classifications
B; B65; B65G; B65G53/00; B65G53/30; A; A01; A01K; A01K79/00

Claims Analysis

Total Claims: 12
Claim 1
Independent Claim 170 words
An apparatus for sucking up and transferring fishes comprising a hermetically closed tank provided at its upper portion with air opening means for extracting air therefrom and supplying air thereto and provided at its lower portion with a fish water suction opening connected to a fish water suction pipe and fish transfer and water delivery opening means connected to fish transfer and water delivery pipe means, and an air supplying means connected to said air opening means, a fish water separator for separating the fish water sucked up into the closed tank into fishes and water, control means for alternately changing over the air extracting means and the air supplying means and starting and stopping these means, and a control valve means for (1) communicating the fish water suction pipe with the closed tank and closing the fish transfer pipe means during the air extracting step and (2) closing the fish water suction pipe and communicating the fish transfer pipe means with the closed tank during the air supplying step.
Claim 2
Independent Claim 170 words
An apparatus for sucking up and transferring fishes comprising a hermetically closed tank provided at its upper portion with air opening means for extracting air therefrom and supplying air thereto and provided at its lower portion with a fish water suction opening connected to a fish water suction pipe and fish transfer and water delivery opening means connected to fish transfer and water delivery pipe means, and an air supplying means connected to said air opening means, a fish water separator for separating the fish water sucked up into the closed tank into fishes and water, control means for alternately changing over the air extracting means and the air supplying means and starting and stopping these means, and a control valve means for (1) communicating the fish water suction pipe with the closed tank and closing the fish transfer pipe means during the air extracting step and (2) closing the fish water suction pipe and communicating the fish transfer pipe means with the closed tank during the air supplying step.
Claim 3
Dependent Claim 84 words
An apparatus for sucking up and transferring fishes as claimed in claim 1, wherein said air opening means comprises a common opening provided at the upper portion of said closed tank for both air extraction and air supply, and said air extracting means and said air supplying means respectively include a suction pipe and a delivery pipe each connected to a vacuum blower, and said apparatus further comprising change-over means for alternately communicating said common opening with said suction pipe and said delivery pipe.
Claim 4
Dependent Claim 29 words
An apparatus for sucking up and transferring fishes as claimed in claim 1, wherein said fish water separator is connected to said fish transfer and water delivery pipe means.
Claim 5
Dependent Claim 107 words
An apparatus for sucking up and transferring fishes as claimed in claim 1, wherein said fish transfer and water delivery opening means includes a fish transfer opening and a separate water delivery opening associated with said closed tank, wherein said fish water separator comprises a partition plate disposed within said tank and inclined to said fish transfer opening for permitting passage of water but preventing passage of the fishes, said partition plate separating said closed tank into (1) a fish chamber including said air opening means and sAid fish water suction opening and said fish transfer opening and (2) a water chamber including said water delivery opening.
Claim 6
Dependent Claim 71 words
An apparatus for sucking up and transferring fishes as claimed in claim 1 wherein said control means includes a liquid level detector and means for making said air extracting means inoperative and said air supplying means operative when said liquid level detector detects the upper limit level and for making said air extracting means operative and said air supplying means inoperative when said liquid level detector detects the lower limit level.
Claim 7
Dependent Claim 62 words
An apparatus for sucking up and transferring fishes as claimed in claim 1, wherein said closed fish tank and said fish water separator constitute a unit which is hung down by a hanging and carrying mechanism arranged on a fish tank of a fishing boat, and wherein said air extracting means and air supplying means are stationarily arranged on said fishing boat.
Claim 8
Independent Claim 165 words
An apparatus for sucking up and transferring fishes comprising two sets of hermetically closed tanks each of which is provided at its upper portion with a common air supply and extraction opening and its lower portion with a fish water suction opening connected to a fish water suction pipe and a fish water delivery opening connected to a fish water delivery pipe, an air extracting means, an air supplying means, a fish water separator connected to said fish water delivery pipe, a control means for alternately communicating said air extracting means and said air supplying means with each of said common air supply and extraction openings of said two closed tanks in an exchangeable manner, and control valve means for communicating said fish water suction pipe with said closed tank and closing said fish water delivery pipe during an air sucking up step and closing said fish water suction pipe and communicating said fish transfer pipe with said closed tank during an air supplying step.
Claim 9
Independent Claim 165 words
An apparatus for sucking up and transferring fishes comprising two sets of hermetically closed tanks each of which is provided at its upper portion with a common air supply and extraction opening and its lower portion with a fish water suction opening connected to a fish water suction pipe and a fish water delivery opening connected to a fish water delivery pipe, an air extracting means, an air supplying means, a fish water separator connected to said fish water delivery pipe, a control means for alternately communicating said air extracting means and said air supplying means with each of said common air supply and extraction openings of said two closed tanks in an exchangeable manner, and control valve means for communicating said fish water suction pipe with said closed tank and closing said fish water delivery pipe during an air sucking up step and closing said fish water suction pipe and communicating said fish transfer pipe with said closed tank during an air supplying step.
Claim 10
Dependent Claim 79 words
An apparatus for sucking up and transferring fishes as claimed in claim 2, wherein said change-over means for alternately communicating said common air supply and extraction opening with the suction pipe of said vacuum blower and with said delivery pipe is comprised of a diaphragm type four way change-over valve which operates in response to the difference in air pressure between a negative pressure obtained by said vacuum blower and a positive pressure not less than the atmospheric pressure.
Claim 11
Dependent Claim 87 words
An apparatus for sucking up transferring fishes as claimed in claim 7 wherein said control means for alternately communicating said air extracting means and said air supplying means with each of said common air supply and extraction openings of said two closed tanks in an exchangeable manner is comprised of a diaphragm type four way change-over valve which operates in response to the difference in air pressure between a negative pressure obtained by said air extracting means and a positive pressure obtained by said air supplying means.
Claim 12
Dependent Claim 134 words
An apparatus for sucking up and transferring fishes as claimed in claim 7 wherein said control means includes a liquid level detector for making said air extracting means inoperative when said liquid level detector detects an upper limit level in each of both said closed tanks and for making said air supplying means inoperative when said liquid level detector detects a lower limit level, said control means comprising means including a memory circuit for holding a preceding detected signal delivered from said liquid level detector to control the succeeding detected signal as delivered from said liquid level detector, and a logical product circuit (AND circuit) for effecting the change-over operation between said air supplying operation and said air extracting operation for each of both two closed tanks by means of said succeeding detected signal.

References Cited (Backward Citations)

US3573934A Cited
US3583365A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1978-03-17 1978-09-16 1979-03-18 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1982-03-17 1982-09-16 1983-03-18 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1986-03-17 1986-09-16 1987-03-18 $7700.00 Window Closed / Lapsed

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