US3754733A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tensioning device
Assignee: Individual
•
Filing: 1972-05-01
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Granted: 1973-08-28
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Expires: 1992-05-01
Abstract
Abstract In a tensioning device for a flexible element including a stem and a frame having spaced, parallel legs with axially aligned openings therein, the combination therewith of a lip projecting outward from one of the legs adjacent to the opening therein, an apertured bolt extending through the openings and having an enlargement with a flat side to bear against the lip for locking the bolt against rotation, and means at the other end of the bolt to retain it against axial movement. Another opening is provided adjacent the lip to receive a portion of the enlargement.
Inventors
- 👤 H Foster
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 21:41
CPC Classifications
F; F16; F16G; F16G11/00; F16G11/12; Y; Y10; Y10S; Y10S52/00; Y10S52/11; Y10T; Y10T24/00; Y10T24/14; Y10T24/1412; Y10T24/1416; Y10T24/21
Claims Analysis
Total Claims: 12
Claim 1
Independent Claim
222 words
In a tensioning device for flexible elements such as straps, belts, wires, cables and the like having a stem, a substantially U-shaped frame with spaced, substantially parallel legs respectively having openings which are aligned with each other across the space between the legs, and an apertured bolt to extend through said openings with an aperture thereof between said legs to receive the end of a flexible element to be wrapped around the bolt for tensioning, the bolt having a nut for one end thereof and a non-round portion with flats toward the other end thereof, the improvement wherein said openings are rounded and smaller than said non-round portion to keep that portion from binding therein while allowing rotation of said bolt to wind said flexible element for tensioning, and one of said legs has a lip at the free end thereof perpendicular to said one leg, said lip having an undersurface spaced from the axis of the rounded opening in said one leg by a distance substantially equal to a radius of said non-round portion perpendicular to one of said flats to receive said flat, said bolt being shiftable axially in said openings from a position wherein said non-round portion is outside said lip to a position where said non-round portion is under said lip with said flat locked against said lip.
Claim 2
Dependent Claim
222 words
In a tensioning device for flexible elements such as straps, belts, wires, cables and the like having a stem, a substantially U-shaped frame with spaced, substantially parallel legs respectively having openings which are aligned with each other across the space between the legs, and an apertured bolt to extend through said openings with an aperture thereof between said legs to receive the end of a flexible element to be wrapped around the bolt for tensioning, the bolt having a nut for one end thereof and a non-round portion with flats toward the other end thereof, the improvement wherein said openings are rounded and smaller than said non-round portion to keep that portion from binding therein while allowing rotation of said bolt to wind said flexible element for tensioning, and one of said legs has a lip at the free end thereof perpendicular to said one leg, said lip having an undersurface spaced from the axis of the rounded opening in said one leg by a distance substantially equal to a radius of said non-round portion perpendicular to one of said flats to receive said flat, said bolt being shiftable axially in said openings from a position wherein said non-round portion is outside said lip to a position where said non-round portion is under said lip with said flat locked against said lip.
Claim 3
Dependent Claim
21 words
The tensioning device as claimed in claim 1 in which said lip is a bent over portion of said one leg.
Claim 4
Dependent Claim
53 words
The tensioning device as claimed in claim 2 in which the bend between said lip and said one leg has a further opening for receiving a corner of said non-round portion of said bolt when said non-round portion is positioned under said lip to prevent binding of said non-round portion with said bend.
Claim 5
Dependent Claim
197 words
In a tensioning device for a flexible element having a bolt with an aperture therein to receive the end of a flexible element to be wound around the bolt and a non-round portion with flat surfaces toward one end thereof, a stem, and a frame having a base and substantially parallel legs projecting from the basE, the legs having openings which are aligned with each other across the space between the legs so that the bolt is rotatable and axially adjustable in the openings, the bolt having a nut for the end thereof opposite the non-round portion, the improvement wherein one of said legs has lip means at the free end thereof perpendicular to said one leg spaced from the axis of said opening in said one leg by a predetermined distance corresponding to a radius of said non-round portion perpendicular to one of said flats so that said bolt can be shifted axially in said openings from a position wherein said non-round portion is outside said lip means to a position wherein said non-round portion is under said lip means with said flat locked against said lip means for retaining said bolt in a locked condition.
Claim 6
Dependent Claim
197 words
In a tensioning device for a flexible element having a bolt with an aperture therein to receive the end of a flexible element to be wound around the bolt and a non-round portion with flat surfaces toward one end thereof, a stem, and a frame having a base and substantially parallel legs projecting from the basE, the legs having openings which are aligned with each other across the space between the legs so that the bolt is rotatable and axially adjustable in the openings, the bolt having a nut for the end thereof opposite the non-round portion, the improvement wherein one of said legs has lip means at the free end thereof perpendicular to said one leg spaced from the axis of said opening in said one leg by a predetermined distance corresponding to a radius of said non-round portion perpendicular to one of said flats so that said bolt can be shifted axially in said openings from a position wherein said non-round portion is outside said lip means to a position wherein said non-round portion is under said lip means with said flat locked against said lip means for retaining said bolt in a locked condition.
Claim 7
Dependent Claim
62 words
The tensioning device as claimed in claim 4 in which said lip means and said one leg are integral with each other and said frame has a bend between said one leg and said lip means with a cavity at said bend for receiving a corner of said non-round portion of said bolt to prevent binding of said bolt at said bend.
Claim 8
Dependent Claim
200 words
In a tensioning device for a flexible element including a stem, a frame having spaced, substantially parallel legs with each of the legs having an opening therein, the openings being aligned with each other across the space between said legs, and an apertured bolt means to extend through said openings and receive a nut at one end thereof, the other end of said bolt means having a non-round portion with flat surfaces thereon to be turned for winding the flexible element on said bolt means, the improvement wherein said openings are rounded and smaller than said non-round portion to keep that portion from binding in said openings while allowing rotation of said bolt means to wind said flexible element thereon, and one of said legs has a bent over lip projecting perpendicularly from one end thereof, said lip having an under surface spaced from the axis of the rounded opening in said one leg by a distance sufficient to receive one of said flat surfaces on said non-round portion when said non-round portion is shifted axially under said lip for retaining said bolt means in a locked condition, the nut being adjustable to keep said non-round portion under said lip.
Claim 9
Dependent Claim
200 words
In a tensioning device for a flexible element including a stem, a frame having spaced, substantially parallel legs with each of the legs having an opening therein, the openings being aligned with each other across the space between said legs, and an apertured bolt means to extend through said openings and receive a nut at one end thereof, the other end of said bolt means having a non-round portion with flat surfaces thereon to be turned for winding the flexible element on said bolt means, the improvement wherein said openings are rounded and smaller than said non-round portion to keep that portion from binding in said openings while allowing rotation of said bolt means to wind said flexible element thereon, and one of said legs has a bent over lip projecting perpendicularly from one end thereof, said lip having an under surface spaced from the axis of the rounded opening in said one leg by a distance sufficient to receive one of said flat surfaces on said non-round portion when said non-round portion is shifted axially under said lip for retaining said bolt means in a locked condition, the nut being adjustable to keep said non-round portion under said lip.
Claim 10
Dependent Claim
52 words
The tensioning device as claimed in claim 6 in which said frame has a bend between said one leg and said lip, and said bend has a cavity therein sufficiently wide to receive an edge of said non-round portion when said non-round portion is placed under said lip towards said one leg.
Claim 11
Dependent Claim
80 words
In a tensioning device for a flexible element including a frame having spaced, parallel legs with axially aligned openings therein, the combination therewith of a lip projecting outward from one of said legs adjacent to the opening therein, an apertured bolt extending through said openings and having an enlargement with a flat side to bear against said lip for locking said bolt against rotation, and means at the other end of said bolt to retain the same against axial movement.
Claim 12
Dependent Claim
80 words
In a tensioning device for a flexible element including a frame having spaced, parallel legs with axially aligned openings therein, the combination therewith of a lip projecting outward from one of said legs adjacent to the opening therein, an apertured bolt extending through said openings and having an enlargement with a flat side to bear against said lip for locking said bolt against rotation, and means at the other end of said bolt to retain the same against axial movement.
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) | 1976-08-27 | 1977-02-26 | 1977-08-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-08-27 | 1981-02-26 | 1981-08-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-08-27 | 1985-02-26 | 1985-08-28 | $7700.00 | Window Closed / Lapsed |