US4399593A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hose clamp with wedged lock
Assignee: Individual
•
Filing: 1981-07-23
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Granted: 1983-08-23
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Expires: 2001-07-23
Abstract
Abstract The invention relates to a non-reusable hose-clip, intended to ensure for example the connection of two tubular members. The invention also relates to a tool for tightening the clip. The clip is composed of a band forming a loop comprising a free end (2). It is characterized by the fact that in the vicinity of the other end it comprises locking means (4) which are self-tightening due to wedging of the free end. These means are preferably constituted by a casing (8) of convergent shape and a wedge (17) of complementary shape. Possibly, spring means (24) restore the wedge to the locked position. Also, wedging may be reinforced by the engagement of complementary teeth. Also, in the vicinity of the terminal part of its free end (2), the clip according to the present invention comprises means facilitating calibrated tightening of the latter. According to one embodiment, these means comprise an aperture (7), possibly a flange (6) by which the swinging head of a pulling tool engages the band. According to another embodiment, these means comprise a calibrated deformation in the free end (2) which a pulling tool "rolls".
Inventors
- 👤 Joan De Bradandere
- 👤 Freddy VanMeenen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 05:23
CPC Classifications
F; F16; F16L; F16L33/00; F16L33/02; F16L33/035; B; B25; B25B; B25B25/00; B25B25/005; Y; Y10; Y10T; Y10T24/00; Y10T24/14; Y10T24/1457; Y10T24/1459; Y10T24/1473; Y10T292/00; Y10T292/20; Y10T292/205; Y10T292/209
Claims Analysis
Total Claims: 12
Claim 1
Independent Claim
164 words
A non-reusable hose clamp comprising a metal band forming a loop and having first and second end portions, a casing in the form of an inverted U with a rectangular wall portion intermediate two trapezoidal side portions secured at their free edges to opposite side edges of said first end portion of said band with said wall portion disposed at an acute angle to the band, a wedge fitting in said casing, said wedge being of U-shaped cross section with a rectangular wall portion intermediate two triangular side portions, the angle of said side portions of said wedge being substantially the same as that of said side portions of said casing, and a spring attached to and connecting said wedge and said casing and urging said wedge inwardly in said casing, said second end portion of said band passing between said wedge and said first end portion of the band and being clamped by said wedge against said first end portion of said band.
Claim 2
Dependent Claim
164 words
A non-reusable hose clamp comprising a metal band forming a loop and having first and second end portions, a casing in the form of an inverted U with a rectangular wall portion intermediate two trapezoidal side portions secured at their free edges to opposite side edges of said first end portion of said band with said wall portion disposed at an acute angle to the band, a wedge fitting in said casing, said wedge being of U-shaped cross section with a rectangular wall portion intermediate two triangular side portions, the angle of said side portions of said wedge being substantially the same as that of said side portions of said casing, and a spring attached to and connecting said wedge and said casing and urging said wedge inwardly in said casing, said second end portion of said band passing between said wedge and said first end portion of the band and being clamped by said wedge against said first end portion of said band.
Claim 3
Dependent Claim
47 words
A non-reusable hose clamp according to claim 1, in which said casing, wedge, and spring are formed integrally of a single piece of sheet metal, said casing and wedge being formed by two trapezoidal portions of said sheet metal connected by a narrow portion forming said spring.
Claim 4
Dependent Claim
33 words
A non-reusable hose clamp according to claim 1, in which free edges of said side portions of said casing are bent inwardly under opposite edges of said first end portion of said band.
Claim 5
Dependent Claim
60 words
A non-reusable hose clamp according to claim 3, in which said first end portion of the band passes through the casing and is bent inwardly at opposite ends of said casing so that portions of said band at opposite ends of the casing lie in approximately the same plane as said inturned edges of said side portions of said casing.
Claim 6
Dependent Claim
49 words
A non-reusable hose clamp according to claim 1, in which said wall portion of said wedge is in sliding interengagement with the inner surface of said wall portion of said casing and free edges of said side portions of said wedge engage said second end portion of said band.
Claim 7
Dependent Claim
22 words
A non-reusable hose clamp according to claim 5, in which said free edges of said side portions of said wedge are toothed.
Claim 8
Dependent Claim
31 words
A non-reusable hose clamp according to claim 1, in which the outer surface of the second end portion of the band and the inner portion of said wedge have interengaging teeth.
Claim 9
Dependent Claim
40 words
A non-reusable hose clamp according to claim 7, comprising means for limiting the movement of said wedge into said casing to a position corresponding substantially to the disengagement of the teeth on the wedge with the teeth on the band.
Claim 10
Dependent Claim
66 words
A non-reusable hose clamp according to claim 1, in which said second end portion of said band is provided with a pre-shaped end for engagement by a tool for pulling said second end portion to tighten said band, said pre-shaped end being adapted to be deformed by said tool upon application of a predetermined pulling force to release said tool and inhibit reuse of said clamp.
Claim 11
Dependent Claim
66 words
A non-reusable hose clamp according to claim 9, in which said pre-shaped end comprises a bent flange at the end of said second end portion of the band and a hole spaced inwardly of said flange, said flanged end being adapted to be bent by said tool upon application of a predetermined force to release said tool from the band and inhibit reuse of the clamp.
Claim 12
Dependent Claim
45 words
A non-reusable hose clamp according to claim 9, in which said pre-shaped end comprises a cup-shaped deformation in the band, said deformation being flattened by said tool upon application of predetermined force to release said tool from the band and inhibit reuse of the clamp.
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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) | 1986-08-22 | 1987-02-21 | 1987-08-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1990-08-22 | 1991-02-21 | 1991-08-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1994-08-22 | 1995-02-21 | 1995-08-23 | $7700.00 | Window Closed / Lapsed |