Patent US4025969A successfully refreshed from Google Patents.
US4025969A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sanitary closet
Assignee: TRAILER FINANS AB
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Filing: 1975-09-18
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Granted: 1977-05-31
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Expires: 1995-09-18
Abstract
Abstract The present invention relates to a sanitary closet of the kind in which a hose preferably made of plastic is fed downwards by a down-feeding mechanism. Two disc means are arranged for feeding down provided with closing elements arranged to close the hose temporarily by firmly compressing the hose, spaces positioned between said closing elements and arranged to permit the passage of portions of the hose inflated by the contents thereof and yieldable elements positioned in said spaces and adapted to compress the hose around the material therein permitting the material to pass and squeeze out any air entrapped in the hose.
Inventors
- 👤 Gunnar John Dahlen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 22:59
CPC Classifications
A; A47; A47K; A47K11/00; A47K11/02; A47K11/026; Y; Y02; Y02A; Y02A50/00; Y02A50/30
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
191 words
A sanitary closet having a bowl and therebelow a device for directing a substantially continuous hose of resilient material through the bowl and said device and further downwardly into a collecting section locating below said device, the device comprising two rotatably mounted roller means arranged for so directing said hose by mutual rotation of the roller means with the hose extending therebetween, at least one of said roller means being provided with closing elements arranged to close the hose temporarily and intermittently in a position of the roller means between said collecting section and said bowl by firmly compressing the hose, spaces defined by said closing elements and arranged to permit the passage of portions of the hose inflated by the contents thereof, resilient means positioned in said spaces comprising endless resilient stretchable loops, which are connected to the roller means and extend within said spaces and adapted to compress the hose around the material therein contained to squeeze out any air entrapped in the hose and direct the same to the upper part of the hose while permitting the said material to pass within the hose between the roller means.
Claim 2
Dependent Claim
191 words
A sanitary closet having a bowl and therebelow a device for directing a substantially continuous hose of resilient material through the bowl and said device and further downwardly into a collecting section locating below said device, the device comprising two rotatably mounted roller means arranged for so directing said hose by mutual rotation of the roller means with the hose extending therebetween, at least one of said roller means being provided with closing elements arranged to close the hose temporarily and intermittently in a position of the roller means between said collecting section and said bowl by firmly compressing the hose, spaces defined by said closing elements and arranged to permit the passage of portions of the hose inflated by the contents thereof, resilient means positioned in said spaces comprising endless resilient stretchable loops, which are connected to the roller means and extend within said spaces and adapted to compress the hose around the material therein contained to squeeze out any air entrapped in the hose and direct the same to the upper part of the hose while permitting the said material to pass within the hose between the roller means.
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) | 1980-05-30 | 1980-11-29 | 1981-05-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1984-05-30 | 1984-11-29 | 1985-05-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1988-05-30 | 1988-11-29 | 1989-05-31 | $7700.00 | Window Closed / Lapsed |