Patent US5030052A successfully refreshed from Google Patents.
US5030052A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ties for building structures
Assignee: Clan Contracting Ltd
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Filing: 1988-06-23
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Granted: 1991-07-09
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Expires: 2008-06-23
Abstract
Abstract A tie bolt comprises a shank provided thereon with equally pitched screw-threaded portions (16, 18) separated by a spacer portion (14) capable of sliding through a hole created by the leading screw-threaded portion (16) so as to permit rapid screw-engagement of the trailing screw-threaded portion with said hole, characterized in that said threaded portions are provided by separate components (16, 18) arranged at a predetermined distance apart.
Inventors
- 👤 Alan T. Anderson
- 👤 Gordon W. Fraser
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 19:07
CPC Classifications
F; F16; F16B; F16B35/00; E; E04; E04G; E04G23/00; E04G23/02
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
97 words
A tie bolt comprising a shank provided thereon with equally pitched leading and trailing screw-threaded portions separated by a spacer portion capable of sliding through a hole formed by the leading screw-threaded portion so as to permit rapid screw-engagement of the trailing screw-threaded portion with said hole, characterized in that said threaded portions are provided by separate components arranged at a predetermined distance apart and mounted on a common carrier rod, wherein the spacer portion is provided by a separate component in the form of a sleeve mounted on the rod and trapped between the screw-threaded components.
Claim 2
Dependent Claim
97 words
A tie bolt comprising a shank provided thereon with equally pitched leading and trailing screw-threaded portions separated by a spacer portion capable of sliding through a hole formed by the leading screw-threaded portion so as to permit rapid screw-engagement of the trailing screw-threaded portion with said hole, characterized in that said threaded portions are provided by separate components arranged at a predetermined distance apart and mounted on a common carrier rod, wherein the spacer portion is provided by a separate component in the form of a sleeve mounted on the rod and trapped between the screw-threaded components.
Claim 3
Dependent Claim
20 words
A tie bolt as claimed in claim 1, characterised in that the components are in screw-threaded engagement with the rod.
Claim 4
Dependent Claim
45 words
A tie bolt as claimed in claim 1 characterised in that the leading end of the leading screw-threaded component terminates in a point and the trailing end of the trailing screw-threaded component is connected to fastening means for fixing the tie bolt to a wall.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1994-07-08 | 1995-01-07 | 1995-07-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1998-07-08 | 1999-01-07 | 1999-07-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2002-07-08 | 2003-01-07 | 2003-07-09 | $7700.00 | Window Closed / Lapsed |