US4693653A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Mounting element for a flat insulating body which can be attached to a thin-walled base
Assignee: VEREINIGTE SCHRAUBENWERKE GmbH
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Filing: 1985-05-09
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Granted: 1987-09-15
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Expires: 2005-05-09
Abstract
Abstract The invention relates to a mounting element for a flat insulating body which is mounted on a thin-walled base, like the metal sheet of airduct. The element comprises a pin for perforating the insulating body and holding the body by a plate clamped on the pin and screw, the shaft of which is provided with a self-cutting thread and on the head of which, which as key engaging faces, the pin is sitting in alignment with the shaft.
Inventors
- 👤 Rainer Schubert
- 👤 Otto Weber
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 02:21
CPC Classifications
F; F24; F24F; F24F13/00; F24F13/02; F24F13/0254; B; B25; B25B; B25B21/00; B25B21/007; F16; F16L; F16L59/00; F16L59/12; F24F13/0209
Claims Analysis
Total Claims: 5
Claim 1
Independent Claim
120 words
In a mounting element for mounting a flat insulating material on a thin-walled base, said mounting element including a pin conformed at one end for perforating the insulating material and having means connected to the other endof the pin for attaching to the base and a clamping plate for clamping to the pin, to hold the insulating material on the pin, the improvement wherein the attaching means comprises a screw having a shaft and a head fixedly connected to the shaft and the other end of the pin, with the pin and shaft in axial alignment, wherein the shaft has a self-cutting thread and a drill tip and wherein the head has key engaging faces for driving by a drill.
Claim 2
Dependent Claim
120 words
In a mounting element for mounting a flat insulating material on a thin-walled base, said mounting element including a pin conformed at one end for perforating the insulating material and having means connected to the other endof the pin for attaching to the base and a clamping plate for clamping to the pin, to hold the insulating material on the pin, the improvement wherein the attaching means comprises a screw having a shaft and a head fixedly connected to the shaft and the other end of the pin, with the pin and shaft in axial alignment, wherein the shaft has a self-cutting thread and a drill tip and wherein the head has key engaging faces for driving by a drill.
Claim 3
Dependent Claim
22 words
The mounting element according to claim 1, further comprising a sealing disc seated on the shaft of the screw under the head.
Claim 4
Dependent Claim
24 words
The mounting element according to claim 1 or 2, wherein the head of the screw tapers conically towards the other end of the pin.
Claim 5
Dependent Claim
26 words
The mounting element according to claim 3, wherein the head of the screw comprises a four-sided truncated pyramid having surface areas forming the key engaging faces.
References Cited (Backward Citations)
US817090A
Cited
US2403359A
Cited
GB690269A
Cited
US3523395A
Cited
NL7401162A
Cited
FR2363671A1
Cited
DE3106844A1
Cited
US4453361A
Cited
US4584814A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1990-09-14 | 1991-03-16 | 1991-09-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1994-09-14 | 1995-03-16 | 1995-09-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1998-09-14 | 1999-03-16 | 1999-09-15 | $7700.00 | Window Closed / Lapsed |