US4493135A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fitting for connection with web-type strapping
Assignee: Crosby Group LLC
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Filing: 1983-03-28
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Granted: 1985-01-15
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Expires: 2003-03-28
Abstract
Abstract A fitting for flexible fabric type web slings.
Inventors
- 👤 Edward J. Crook, Jr.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 16:26
CPC Classifications
B; B66; B66C; B66C1/00; B66C1/10; B66C1/12; B66C1/18; A; A44; A44B; A44B11/00; A44B11/02; A44B11/04; Y; Y10; Y10T; Y10T24/00; Y10T24/21; Y10T24/2192; Y10T24/40; Y10T24/4072; Y10T24/4077; Y10T24/4079; Y10T24/4084; Y10T24/4086; Y10T24/4088; Y10T24/4093
Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
123 words
Apparatus to attach and adjust the length of fabric web type strap to a fitting which has rearwardly thereof two spaced parallel sides defining a top and bottom comprising: a crossbar non-rotatably and non-movably affixed at a given position to and between said sides immediately rearward of said fitting, said crossbar of cross-section configuration having a curved surface adjoining a flat surface, the generation of said curved surface extending from its top forwardly to said bottom and rearwardly around to said flat surface which connects at its said top, a cross-pin affixed to and between said sides rearwardly of and of parallel axis to said crossbar; and a removable tension pin affixed to and between said sides rearwardly of and below said cross-pin.
Claim 2
Dependent Claim
123 words
Apparatus to attach and adjust the length of fabric web type strap to a fitting which has rearwardly thereof two spaced parallel sides defining a top and bottom comprising: a crossbar non-rotatably and non-movably affixed at a given position to and between said sides immediately rearward of said fitting, said crossbar of cross-section configuration having a curved surface adjoining a flat surface, the generation of said curved surface extending from its top forwardly to said bottom and rearwardly around to said flat surface which connects at its said top, a cross-pin affixed to and between said sides rearwardly of and of parallel axis to said crossbar; and a removable tension pin affixed to and between said sides rearwardly of and below said cross-pin.
Claim 3
Dependent Claim
83 words
Apparatus of claim 1 including said strap having a free strand and a working strand, said free strand extending forwardly around said curved surface thence said flat surface of said crossbar, thence around the bottom and rearward portion of said cross-pin thence returning forwardly to said working strand around and in central with said free strand rearwardly, the location of the bottom of said curved surface such that said working strand will be in the plane of the tension force on said fitting.
Claim 4
Dependent Claim
11 words
Apparatus of claim 1 wherein said cross-pin is rotatable and removable.
Claim 5
Dependent Claim
94 words
Apparatus of claim 3 including a case positionable between said sides when said cross-pin and tension pin are removed, said case open at its front and having parallel sides connecting with top, bottom and rear portions, a forward slot in each side nestable against said crossbar, a key hole opening in each side rearwardly of said forward slot to receive said cross-pin and, when moved forwardly, engage with said cross-pin to prevent removal, and a lower slot in said rear portion for said strap, said tension pin insertable to lock said case from movement.
Claim 6
Dependent Claim
29 words
Apparatus of claim 1 wherein said curved surface of said crossbar is axially and smoothly curved from a larger diameter at its center to smaller diameters adjacent said sides.
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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) | 1988-01-15 | 1988-07-16 | 1989-01-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1992-01-15 | 1992-07-16 | 1993-01-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1996-01-15 | 1996-07-16 | 1997-01-15 | $7700.00 | Window Closed / Lapsed |