US3846848A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Control assembly for bathtub hydrotherapy unit
Assignee: Dazey Products Co
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Filing: 1973-08-22
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Granted: 1974-11-12
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Expires: 1993-08-22
Abstract
Abstract A water circulating pump supported within the bathtub, the pump having a discharge outlet which can be rotated to control the direction of discharge. The control of the direction is achieved by a manually rotatable sleeve located above the pump and surrounding a portion of the exterior casing for the unit. The sleeve is coupled with the pump housing by a hollow tube which encases a rotatable control shaft for a pump discharge flow control valve and also provides a conduit for induction of air into the discharge from the pump. A manual adjustment handle for the valve control shaft also provides a means of controlling the air flow.
Inventors
- 👤 S Mcnair
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 08:40
CPC Classifications
A; A61; A61H; A61H33/00; A61H33/0087; A61H33/0091
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
127 words
In an apparatus for circulating water in a tub, said apparatus including a centrifugal pump for immersion in the tub and a vertical casing extending thereabove for housing the pump drive shaft, the improvement comprising: a centrifugal pump housing supported on the bottom end of said casing and rotatable relative thereto, said pump housing having an inlet and a lateral discharge outlet. a valve member mounted interiorly of said outlet for controlling flow therethrough, a sleeve circumscribing said casing above the pump housing and rotatable in relation to the casing, and rigid connecting means connecting the sleeve to the pump housing to effect angular adjustment of said outlet in response to rotation of the sleeve, said rigid means including means for controlling the operation of said valve.
Claim 2
Dependent Claim
127 words
In an apparatus for circulating water in a tub, said apparatus including a centrifugal pump for immersion in the tub and a vertical casing extending thereabove for housing the pump drive shaft, the improvement comprising: a centrifugal pump housing supported on the bottom end of said casing and rotatable relative thereto, said pump housing having an inlet and a lateral discharge outlet. a valve member mounted interiorly of said outlet for controlling flow therethrough, a sleeve circumscribing said casing above the pump housing and rotatable in relation to the casing, and rigid connecting means connecting the sleeve to the pump housing to effect angular adjustment of said outlet in response to rotation of the sleeve, said rigid means including means for controlling the operation of said valve.
Claim 3
Dependent Claim
37 words
The improvement of claim 1, said rigid means including, a hollow tube extending between said sleeve and housing, and a shaft threadingly engaged within said tube and rotatable therein for vertical movement to operate said valve member.
Claim 4
Dependent Claim
47 words
The improvement as in claim 2, said tube communicating at its lower end with the interior of said outlet, said tube having air flow control means at its uPper end operable to control the ingress of air to the tube and to effect rotation of said shaft.
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) | 1977-11-11 | 1978-05-13 | 1978-11-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-11-11 | 1982-05-13 | 1982-11-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-11-11 | 1986-05-13 | 1986-11-12 | $7700.00 | Window Closed / Lapsed |