Patent US3899630A successfully refreshed from Google Patents.
US3899630A
Expired / Lapsed
US
⏱️ 0.0 years remaining
High voltage insulator assembly fitted with pivotal mounting means for said insulator
Assignee: Novartis Corp
•
Filing: 1974-02-04
•
Granted: 1975-08-12
•
Expires: 1994-02-04
Abstract
Abstract The high voltage insulator assembly comprises an insulator connected to a mounting which is adapted to pivot on a mast or pylon. The insulator comprises an elongate glass fibre reinforced core which is encased over part of its length by a skirted insulator covering having attached thereto a lug for supporting a high voltage line and over the remainder of its length by a sleeve which is connected to the mounting, the sleeve being joined to the insulator covering to protect the core from the weather. The mounting provides a pivotal connection to a mast so that the assembly can pivot about the mast when the high voltage line is subject to loads imposed by abnormal wind conditions. The connection between the mounting and the insulator is such that the angle between the pivot axis of the mounting and the longitudinal axis of the core is greater than 30* and that the axes are coplanar.
Inventors
- 👤 Alfred Puck
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 23:07
CPC Classifications
H; H02; H02G; H02G7/00; H02G7/20; H01; H01B; H01B17/00; H01B17/14; H01B17/16
Claims Analysis
Total Claims: 17
Claim 1
Independent Claim
139 words
A high voltage insulator assembly comprising an insulator having an elongated core made of glass fibre reinforced plastic material, a pivotable mounting adapted for connecting the insulator to a mast with the pivot axis at the mounting inclined at an angle of from 45* to 90* to the vertical, a skirted insulator covering encasing a first end portion of the core, means coupling said mounting to the non-encased second end portion of said core so that the pivot axis and the longitudinal axis of said core are coplanar and the longitudinal axis is inclined downwardly at an angle of from 30* to 60* to the horizontal, the coupling means including two spaced apart clamping elements which grip said second end portion of said core at two spaced apart zones, and means connecting said coupling means to said insulator covering.
Claim 2
Dependent Claim
139 words
A high voltage insulator assembly comprising an insulator having an elongated core made of glass fibre reinforced plastic material, a pivotable mounting adapted for connecting the insulator to a mast with the pivot axis at the mounting inclined at an angle of from 45* to 90* to the vertical, a skirted insulator covering encasing a first end portion of the core, means coupling said mounting to the non-encased second end portion of said core so that the pivot axis and the longitudinal axis of said core are coplanar and the longitudinal axis is inclined downwardly at an angle of from 30* to 60* to the horizontal, the coupling means including two spaced apart clamping elements which grip said second end portion of said core at two spaced apart zones, and means connecting said coupling means to said insulator covering.
Claim 3
Dependent Claim
25 words
An assembly according to claim 1, wherein the core is made of epoxy resin containing between 50 to 70 percent by volume of glass fibre.
Claim 4
Dependent Claim
44 words
An assembly according to claim 1, wherein said core comprises a plurality of glass fibre reinforced plastic plates secured together with the surfaces of the plates parallel to the plane containing the longitudinal axis of the insulator and the axis of the pivotable mounting.
Claim 5
Dependent Claim
30 words
An assembly according to claim 3, wherein at least one panel of reinforced, plastic-bonded high stretch organic fibres is positioned between and parallel to two adjacent glass fibre-reinforced plastic plates.
Claim 6
Dependent Claim
22 words
An assembly according to claim 3, including a winding of synthetic-resin-impregnated glass fibres about that portion of said core above said covering.
Claim 7
Dependent Claim
38 words
An assembly according to claim 1, wherein at least that portion of the core encased by said covering is tapered, the core being of substantially constant thickness over its length and having semi-circular edges and flat parallel sides.
Claim 8
Dependent Claim
30 words
An assembly according to claim 1, wherein the spacing between said two clamping elements is substantially from one-sixth to One-quarter of the length of the unclamped portion of the insulator.
Claim 9
Dependent Claim
77 words
An assembly according to claim 1, wherein said coupling means includes a sleeve having an inside wall of a diameter greater than the diameter of that portion of the core above said covering, two compression resistant rings each encircling said core portion and spaced apart thereon and engaging the inside wall of said sleeve to form a cavity between the core portion and said inside wall between the rings, and a soft sealing compound within said cavity.
Claim 10
Dependent Claim
63 words
An assembly according to claim 8, wherein said pivotable mounting comprises a frusto conical housing secured to said sleeve at one end thereof, two bearings of different diameters within said housing spaced apart and coaxial with the axis of said mounting, a pivot pin rotatable within said bearings and adapted for securing to a mast, and means retaining said pin in said housing.
Claim 11
Dependent Claim
34 words
An assembly according to claim 8, wherein said coupling means further includes two support rings spaced apart on said sleeve, one of said rings including means releasably securing the sleeve to said pivotable mounting.
Claim 12
Dependent Claim
58 words
An assembly according to claim 10, wherein said pivotable mounting comprises a frame having stirrups positioned to receive pivot pins in coaxial alignment for pivoting said frame to a mast, a forked member having arms with apertures in the ends thereof cooperating with said releasable securing means and a pin passing through said aperture and said securing means.
Claim 13
Dependent Claim
35 words
An assembly according to claim 8, wherein said sleeve includes a flange and said covering at that end adjacent said sleeve includes a skirt mating with said flange to secure said covering to said sleeve.
Claim 14
Dependent Claim
43 words
An assembly according to claim 12, wherein said skirt includes a groove and said flange includes a bead received within and secured to said groove, said skirt including a second groove facing said flange and fine pored foam material within said second groove.
Claim 15
Dependent Claim
44 words
An assembly according to claim 13, wherein the end of said core remote from said sleeve is flared and said assembly further includes an end cap over the flared end of said core and means on said cap for holding a high voltage line.
Claim 16
Dependent Claim
40 words
An assembly according to claim 14, wherein said covering includes a skirt adjacent the flared end of said core, said skirt having a recess and said end cap a bead received in said recess securing the cap to the covering.
Claim 17
Dependent Claim
59 words
A high voltage system comprising a plurality of masts, each mast having at least one insulator assembly according to claim 1 pivotally mounted thereon with the pivot axis at the mounting inclined at an angle of 45* to 90* to the vertical, and means for securing a high voltage line to the insulator of the assembly on each mast.
References Cited (Backward Citations)
US3586758A
Cited
US3719770A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1978-08-11 | 1979-02-10 | 1979-08-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1982-08-11 | 1983-02-10 | 1983-08-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1986-08-11 | 1987-02-10 | 1987-08-12 | $7700.00 | Window Closed / Lapsed |