US3704831A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fire hose nozzle
Assignee: B F PRODUCTS Pty Ltd
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Filing: 1971-02-23
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Granted: 1972-12-05
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Expires: 1991-02-23
Abstract
Abstract A fire hose nozzle composed of a hollow handgrip portion and a rotatable nose section providing for the choice of any of a plurality of different sized jet. The handgrip portion has an offset enlarged end with a flat transverse face mounting a threaded stud and having an offset supply port connected with the interior of the handgrip portion. The nose section is mounted upon the stud and selectively tightened down by a nut onto the transverse face through a flat sealing washer of synthetic polymeric material to ensure a liquid-tight seal while permitting rotation of the casing.
Inventors
- 👤 William Clark
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 10:54
CPC Classifications
A; A62; A62C; A62C31/00; A62C31/02; A62C31/03; B; B05; B05B; B05B1/00; B05B1/14; B05B1/16; B05B1/1627; B05B1/1636; B05B1/1645; B05B1/1654
Claims Analysis
Total Claims: 7
Claim 1
Independent Claim
223 words
A fire hose comprising a base portion having a frusto conical stem, an offset enlargement on one end of the stem and having a flat end face, a fluid supply passage extending through both the stem and the enlargement and tapering from an adaptor socket at the other end of the stem to said flat end face, a stud with a threaded outer end upstanding from the center of said face and spaced from said fluid supply passage, a cylindrical spigot formed on said enlargement and about the flat face, a substantially cylindrical end casing rotatably mounted by a central bore upon the stud and having a plurality of through jets of different dimensions spaced in an array around the central bore, a socket in one end of the casing, a flat sealing washer of synthetic polymeric material located within the socket and keyed to the casing to rotate therewith, said washer being mounted by a central hole over the stud and having an array of bores each in register with an end of a respective through jet in the casing, and an assembly nut screwed on the end of the stud to hold said spigot in a liquid-tight fashion within said socket and thereby to hold said casing to said base portion while permitting rotation between the casing and the base portion.
Claim 2
Dependent Claim
223 words
A fire hose comprising a base portion having a frusto conical stem, an offset enlargement on one end of the stem and having a flat end face, a fluid supply passage extending through both the stem and the enlargement and tapering from an adaptor socket at the other end of the stem to said flat end face, a stud with a threaded outer end upstanding from the center of said face and spaced from said fluid supply passage, a cylindrical spigot formed on said enlargement and about the flat face, a substantially cylindrical end casing rotatably mounted by a central bore upon the stud and having a plurality of through jets of different dimensions spaced in an array around the central bore, a socket in one end of the casing, a flat sealing washer of synthetic polymeric material located within the socket and keyed to the casing to rotate therewith, said washer being mounted by a central hole over the stud and having an array of bores each in register with an end of a respective through jet in the casing, and an assembly nut screwed on the end of the stud to hold said spigot in a liquid-tight fashion within said socket and thereby to hold said casing to said base portion while permitting rotation between the casing and the base portion.
Claim 3
Dependent Claim
218 words
A fire hose nozzle comprising a base portion having a stem, an offset enlargement on one end of the stem and having a flat end face, a fluid supply passage extending through both the stem and the enlargement and tapering from an adaptor socket at the other end of the stem to said flat end face, a stud with a threaded outer end upstanding from said face and spaced from said fluid supply passage, a cylindrical spigot formed on said enlargement and about said flat end face, a substantially cylindrical end casing rotatably mounted by a central bore upon the stud and having a plurality of through jets of different dimensions spaced in an array around the central bore, a socket in one end of the casing, a flat sealing washer of synthetic polymeric material located between the socket and said end face of the enlargement, said washer being mounted by a central hole over the stud and having at least one bore for register with said fluid supply passage and one of said through jets, and an assembly nut screwed on the end of the stud to hold said spigot in a liquid-tight fashion within said socket and thereby to hold said casing to said base portion while permitting rotation between the casing and the base portion.
Claim 4
Dependent Claim
218 words
A fire hose nozzle comprising a base portion having a stem, an offset enlargement on one end of the stem and having a flat end face, a fluid supply passage extending through both the stem and the enlargement and tapering from an adaptor socket at the other end of the stem to said flat end face, a stud with a threaded outer end upstanding from said face and spaced from said fluid supply passage, a cylindrical spigot formed on said enlargement and about said flat end face, a substantially cylindrical end casing rotatably mounted by a central bore upon the stud and having a plurality of through jets of different dimensions spaced in an array around the central bore, a socket in one end of the casing, a flat sealing washer of synthetic polymeric material located between the socket and said end face of the enlargement, said washer being mounted by a central hole over the stud and having at least one bore for register with said fluid supply passage and one of said through jets, and an assembly nut screwed on the end of the stud to hold said spigot in a liquid-tight fashion within said socket and thereby to hold said casing to said base portion while permitting rotation between the casing and the base portion.
Claim 5
Dependent Claim
53 words
A fire hose nozzle according to claim 2, comprising keying means on the casing locking the sealing washer for rotation therewith, said sealing washer having a circumferentially spaced array of said bores disposed around the central hole, each bore being in register with a respective one of the through jets in the casing.
Claim 6
Dependent Claim
28 words
A fire hose nozzle according to claim 3, wherein said keying means are internal longitudinal ribs in the casing engaging in peripheral radial slots in the sealing washer.
Claim 7
Dependent Claim
38 words
A fire hose nozzle according to claim 2, comprising a second sealing washer positioned between the nut and the casing, said casing having a recess surrounding one end of the bore therein and accommodating said second sealing washer.
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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) | 1975-12-05 | 1976-06-05 | 1976-12-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-12-05 | 1980-06-05 | 1980-12-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-12-05 | 1984-06-05 | 1984-12-05 | $7700.00 | Window Closed / Lapsed |