Patent US3570600A successfully refreshed from Google Patents.
US3570600A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Submersible pump adapter
Assignee: Individual
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Filing: 1969-07-24
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Granted: 1971-03-16
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Expires: 1989-07-24
Abstract
Abstract A submersible pump adaptor is provided for supporting the weight and torque of the pump at any prescribed depth along the length of a well casing. The adaptor comprises a threaded actuator shaft having a pair of well casing engaging shoes or holding elements mounted thereon by means of a pair of collars movable along the shaft so as to direct the shoes toward and away from the wall of the well casing. Each collar is provided with extensions having sloping surfaces in mating engagement with like surfaces on each of the shoes so that, as the collars are moved toward each other, the shoes are made to expand. The adaptor shaft is interconnected with the pump shaft in a manner whereby the holding engagement of the shoes is increased by the torque of the pump shaft.
Inventors
- 👤 Harry Wall
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 23:03
CPC Classifications
E; E21; E21B; E21B23/00; E21B23/01
Claims Analysis
Total Claims: 10
Claim 1
Independent Claim
98 words
An adapter for a submersible pump comprising, an actuator shaft, first and second collar members on said shaft movable toward and away from one another, an opposed pair of holding elements, means both interconnecting said holding elements directly to one another and causing said elements to be moved toward one another, and cooperating means on each of said collar members and said holding elements for permitting said holding elements to move away from said shaft and toward one another with the assistance of said interconnecting means as said collar members are moved toward and away from each other.
Claim 2
Dependent Claim
98 words
An adapter for a submersible pump comprising, an actuator shaft, first and second collar members on said shaft movable toward and away from one another, an opposed pair of holding elements, means both interconnecting said holding elements directly to one another and causing said elements to be moved toward one another, and cooperating means on each of said collar members and said holding elements for permitting said holding elements to move away from said shaft and toward one another with the assistance of said interconnecting means as said collar members are moved toward and away from each other.
Claim 3
Dependent Claim
41 words
The adapter according to claim 1 wherein said shaft is fully rotatable within said first collAr member so that said movement of said holding elements is occasioned by said second collar member moving toward and away from said first collar member.
Claim 4
Dependent Claim
58 words
The adapter according to claim 2 wherein said cooperating means comprises a pair of arms on each of said collar members each in engagement with a guideway on each of said holding elements whereby said holding elements may slide with relation to said collar element arms during movement of said collar elements toward and away from each other.
Claim 5
Dependent Claim
47 words
The adapter according to claim 3 wherein each pair of said guideways on each of said holding elements are inwardly sloping towards said shaft and toward one another, and the end surfaces of each of said arms also sloping in the same direction as its respective guideway.
Claim 6
Dependent Claim
38 words
The adapter according to claim 4 wherein said interconnecting means comprises resilient band members, said holding elements moving away from one another against the action of said bands and toward one another with the assistance of said bands.
Claim 7
Dependent Claim
34 words
The adapter according to claim 5 wherein said shaft is provided with a shoulder portion above said first collar member against which said first collar member abuts by reason of said resilient band members.
Claim 8
Dependent Claim
38 words
The adapter according to claim 6 wherein said shaft and said second collar member are threadedly engaged so that, upon rotation of said shaft, said second collar member may move toward and away from said first collar member.
Claim 9
Dependent Claim
28 words
The adapter according to claim 7 wherein a connector is provided on the shoulder portion end of said shaft for the reception of one end of the pump.
Claim 10
Dependent Claim
29 words
The adapter according to claim 8 wherein said shaft is partially hollow and is provided with a tool receiving keyway for the rotation of said shaft in either direction.
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) | 1974-03-15 | 1974-09-14 | 1975-03-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-03-15 | 1978-09-14 | 1979-03-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-03-15 | 1982-09-14 | 1983-03-16 | $7700.00 | Window Closed / Lapsed |