US4124321A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Adjustable tie rod holder
Assignee: B B R AUSTRALIA Pty Ltd
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Filing: 1977-04-05
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Granted: 1978-11-07
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Expires: 1997-04-05
Abstract
Abstract A tie rod which is adapted to connect two constructional components of which at least at one end needs no modification of the wire or rod constituents the component of which has at least two conical members which can be associated with a member having an external thread which can pass over the conical members and cause them to lock on the rod and to enable pressure to be impressed thereon.
Inventors
- 👤 Warwick B. Hutchins
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 22:05
CPC Classifications
E; E04; E04C; E04C5/00; E04C5/08; E04C5/12; E04B; E04B7/00; E04B7/02; E04B7/04; Y; Y10; Y10T; Y10T403/00; Y10T403/33; Y10T403/70; Y10T403/7047; Y10T403/7051; Y10T403/7052; Y10T403/7054
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
191 words
A tie rod for clamping a workpiece including a headed portion on one end and a substantially smooth walled portion of uniform size at the opposite end, a cylindrical sleeve member encircling the smooth walled portion of said tie rod and including an externally threaded body of substantially uniform diameter terminating at one end in at least a pair of oppositely disposed flat shoulders, an internal bore extending through said sleeve including a first portion complementary to said tie rod and a second portion extending outwardly from said complemental portion in conical configuration at said one end of said sleeve, wedge means complementary to said conical portion of said bore of said sleeve and including a portion dimensioned to embrace said tie rod and configured to grip said tie rod when said sleeve is moved relative to said tie rod and toward said wedge, rotatable tensioning means threaded on said sleeve and engaging one surface of said workpiece, said tensioning means upon rotation simultaneously applying clamping and tensioning forces to said tie rod to clamp said workpiece between the headed end portion of said tie rod and the rotatable tensioning means.
Claim 2
Dependent Claim
191 words
A tie rod for clamping a workpiece including a headed portion on one end and a substantially smooth walled portion of uniform size at the opposite end, a cylindrical sleeve member encircling the smooth walled portion of said tie rod and including an externally threaded body of substantially uniform diameter terminating at one end in at least a pair of oppositely disposed flat shoulders, an internal bore extending through said sleeve including a first portion complementary to said tie rod and a second portion extending outwardly from said complemental portion in conical configuration at said one end of said sleeve, wedge means complementary to said conical portion of said bore of said sleeve and including a portion dimensioned to embrace said tie rod and configured to grip said tie rod when said sleeve is moved relative to said tie rod and toward said wedge, rotatable tensioning means threaded on said sleeve and engaging one surface of said workpiece, said tensioning means upon rotation simultaneously applying clamping and tensioning forces to said tie rod to clamp said workpiece between the headed end portion of said tie rod and the rotatable tensioning means.
References Cited (Backward Citations)
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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) | 1981-11-06 | 1982-05-08 | 1982-11-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1985-11-06 | 1986-05-08 | 1986-11-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1989-11-06 | 1990-05-08 | 1990-11-07 | $7700.00 | Window Closed / Lapsed |