US4986439A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cap for the filler neck of liquid containers
Assignee: Mecrom Ott and Holey oHG
•
Filing: 1989-11-21
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Granted: 1991-01-22
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Expires: 2009-11-21
Abstract
Abstract A self-closing cap for the filler neck of liquid containers, consisting of a closure ring having an annular seal, said ring being attachable to said filler neck, and of a spring-biased closure flap swivel-mounted on said closure ring and provided with a seal, wherein said closure flap is swivel-mounted with two bearing arms to a shaft supported by a bearing block inserted in a recess on the housing ring and wherein a locking spring seated on said shaft of said bearing block biases said closure flap, with one on end of said spring engaging said closure flap or a bearing arm and the other end engaging said bearing block.
Inventors
- 👤 Siegfried Ott
- 👤 Friedrich Wimmer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 09:37
CPC Classifications
B; B60; B60K; B60K15/00; B60K15/03; B60K15/04; B60K15/0406; B60K2015/0419; B60K2015/0429; Y; Y10; Y10S; Y10S220/00; Y10S220/33
Claims Analysis
Total Claims: 8
Claim 1
Independent Claim
124 words
A self-closing cap for the filler neck of liquid containers, consisting of a closure ring having an annular seal, said ring being attachable to said filler neck, and of a spring-biased closure flap swivel-mounted on said closure ring and provided with a seal, wherein said closure flap (14) is swivel-mounted with two bearing arms (20) to a shaft (30) supported by a bearing block (17) inserted in a recess (18) on the housing ring (15) and wherein a locking spring (31) seated on said shaft (30) of said bearing block (17) biases said closure flap (14), with one on end (29) of said spring engaging said closure flap (14) or a bearing arm (20) and the other end (32) engaging said bearing block (17).
Claim 2
Dependent Claim
124 words
A self-closing cap for the filler neck of liquid containers, consisting of a closure ring having an annular seal, said ring being attachable to said filler neck, and of a spring-biased closure flap swivel-mounted on said closure ring and provided with a seal, wherein said closure flap (14) is swivel-mounted with two bearing arms (20) to a shaft (30) supported by a bearing block (17) inserted in a recess (18) on the housing ring (15) and wherein a locking spring (31) seated on said shaft (30) of said bearing block (17) biases said closure flap (14), with one on end (29) of said spring engaging said closure flap (14) or a bearing arm (20) and the other end (32) engaging said bearing block (17).
Claim 3
Dependent Claim
27 words
A cap according to claim 1, wherein said bearing block (17) inserted in said recess (18) on the housing ring (15) is latched onto said housing ring.
Claim 4
Dependent Claim
41 words
A cap according to claim 1 wherein said closure flap (14) consists of an inner disc (21) provided with two bearing arms (20) and an outer cover disc (22) clamping an annular seal (23) between itself and said inner disc (21).
Claim 5
Dependent Claim
51 words
A cap according to claim 3, wherein said two discs (21, 22) of said closure flap (14) are interconnected by a central pin (26) and a threaded head (27), with a radial groove (28) for receiving one end (29) of said locking spring (31) being located in the upper side thereof.
Claim 6
Dependent Claim
36 words
A cap according to one of claim 1, wherein a radial play (36) compensating manufacturing tolerances exists between bearing bores (35) for said bearing shaft (30) in said bearing block (17) and said bearing shaft (30).
Claim 7
Dependent Claim
36 words
A cap according to claim 5 wherein at least one centering stud (37) effective diametrically to said bearing shaft (30) in a radial direction is located on said outer disc (22) of said closure flap (14).
Claim 8
Dependent Claim
36 words
A cap according to one of claim 1, characterized by a cover (40) with a central aperture (41) coaxial to said closure flap (14), for the insertion of the nozzle (38) of a filling device (39).
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1994-01-21 | 1994-07-23 | 1995-01-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1998-01-21 | 1998-07-23 | 1999-01-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2002-01-21 | 2002-07-23 | 2003-01-22 | $7700.00 | Window Closed / Lapsed |