US4993460A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sight glass incorporated into fuel dispensing nozzle
Assignee: Husky Corp
•
Filing: 1990-03-22
•
Granted: 1991-02-19
•
Expires: 2010-03-22
Abstract
Abstract A fuel dispensing nozzle incorporating sight glass in the vicinity of its poppet valve, which a sight glass is sealingly engaged within the body cap, comprising a lens of either the magnifying or nonmagnifying type, to provide a ready viewing of any activation device within the poppet cavity, either in the form of spinner, or spheres, that are rotated or agitated, as when fuel under pressure is being delivered through the nozzle and to the fuel tank of a vehicle.
Inventors
- 👤 Thomas L. Robinson
- 👤 Thomas O. Mitchell
- 👤 Sr. Arthur C. Fink
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 00:30
CPC Classifications
B; B67; B67D; B67D7/00; B67D7/06; B67D7/42; B67D7/56
Claims Analysis
Total Claims: 11
Claim 1
Independent Claim
161 words
In a fluid dispensing nozzle for attachment to a flow line and for application and delivering a quantity of fluid through a flow channel in the nozzle and to a reserve for usage, said nozzle being of the type incorporating a nozzle body attaching a spout, and with the body incorporating a poppet valve manipulated by handle for delivery of fluid under pressure to said reserve, the improvement comprising, said nozzle body having a cavity with an exterior opening therein and communicating with the nozzle flow channel for use in the disposition of a poppet valve therein, said cavity having a cap attaching upon the opening and providing for its closure and retention of the poppet valve therein, a sight glass provided within the cap for furnishing viewing into the poppet cavity, and fluid activated means provided within the cavity and motivated by the passing fluid to provide observance for detecting the passage of fluid through said nozzle during its dispensing.
Claim 2
Dependent Claim
161 words
In a fluid dispensing nozzle for attachment to a flow line and for application and delivering a quantity of fluid through a flow channel in the nozzle and to a reserve for usage, said nozzle being of the type incorporating a nozzle body attaching a spout, and with the body incorporating a poppet valve manipulated by handle for delivery of fluid under pressure to said reserve, the improvement comprising, said nozzle body having a cavity with an exterior opening therein and communicating with the nozzle flow channel for use in the disposition of a poppet valve therein, said cavity having a cap attaching upon the opening and providing for its closure and retention of the poppet valve therein, a sight glass provided within the cap for furnishing viewing into the poppet cavity, and fluid activated means provided within the cavity and motivated by the passing fluid to provide observance for detecting the passage of fluid through said nozzle during its dispensing.
Claim 3
Dependent Claim
16 words
The invention of claim 1 and wherein said nozzle provides for passage of flowable fuel therethrough.
Claim 4
Dependent Claim
16 words
The invention of claim 2 and wherein said nozzle provides for passage of gasoline fuel therethrough.
Claim 5
Dependent Claim
18 words
The invention of claim 3 and wherein said activated means comprising a spinner rotated by the passing fuel.
Claim 6
Dependent Claim
25 words
The invention of claim 3 and wherein said activated means comprising at least one ball disposed within the cavity and motivated by the passing fuel.
Claim 7
Dependent Claim
33 words
The invention of claim 5 and including a poppet spring arranged within the cavity and biased by the cap for urging the poppet valve into closure, and said ball confined within said spring.
Claim 8
Dependent Claim
42 words
The invention of claim 3 and including said cap having an upper wall, an integral and downwardly extending sleeve for engagement with the nozzle within its cavity, and said upper wall having an opening therein for mounting of the sight glass thereto.
Claim 9
Dependent Claim
20 words
The invention of claim 7 and wherein said sleeve is threaded providing for its threaded engagement within the nozzle cavity.
Claim 10
Dependent Claim
66 words
The invention of claim 8 and wherein said upper wall of the cap having an internally arranged shoulder, against which the sight glass may seal, an internal retainer means threadedly engaged within the sleeve, to bias against the sight glass and hold it into position within said sleeve, and said sleeve having externally arranged threads to provide for securement of the sleeve within the poppet cavity.
Claim 11
Dependent Claim
21 words
The invention of claim 7 and wherein said cap and its downwardly extending sleeve being pressure fit within the nozzle cavity.
References Cited (Backward Citations)
US1287985A
Cited
US1730127A
Cited
US1730118A
Cited
US1865002A
Cited
US2014691A
Cited
US2027696A
Cited
US2231907A
Cited
US2387805A
Cited
US2587839A
Cited
US2847969A
Cited
US2884891A
Cited
US3085424A
Cited
US3334821A
Cited
US3487809A
Cited
US4105095A
Cited
US4378824A
Cited
US4559982A
Cited
US4745877A
Cited
US4819577A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1994-02-18 | 1994-08-20 | 1995-02-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1998-02-18 | 1998-08-20 | 1999-02-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2002-02-18 | 2002-08-20 | 2003-02-19 | $7700.00 | Window Closed / Lapsed |