US3794233A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Means and techniques useful in wire gripping devices
Assignee: DYK PRESTRESSED TANKS Inc
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Filing: 1971-09-30
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Granted: 1974-02-26
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Expires: 1991-09-30
Abstract
Abstract A rotatable cable or wire gripping device has a peripheral Vshaped grooved portion within which a series of pairs of gripping jaws is disposed. Each pair of jaws has its own spring means acting independently to wedge a cable between a pair of jaws. A sprocket wheel connected to the gripping device rotates the same. The cable is wrapped around the practical maximum periphery of the gripping device with a series of loosely mounted rollers retained in corresponding V-shaped grooved portions pressing the cable. These rollers are resiliently urged against the cable by their engagement with rollers of a conventional type conveyor belt generally encircling the device and having one of its ends anchored and the other one of its ends resiliently supported and adjustable to in turn adjust the force on the rollers and hence the cable gripping action.
Inventors
- 👤 M Dykmans
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 02:44
CPC Classifications
E; E04; E04G; E04G21/00; E04G21/12; E04G2021/127
Claims Analysis
Total Claims: 10
Claim 1
Independent Claim
182 words
A wire gripping device of the character described including a circular frame having two internal oppositely disposed walls each sloping towards the center of said circular frame and both defining generally a V-shaped peripheral groove for receiving and gripping wire; a plurality of pairs of gripping jaws within and extending around said peripheral groove; each jaw of each pair of jaws being slidably mounted on a corresponding one of said walls; each pair of said jaws having two oppositely disposed faces each sloping towards the center of said circular frame and both defining generally a V-shaped peripheral jaw slot; jaw retention means on said frame; individual resilient operated means for each of said pair of jaws acting between said frame and said jaws and urging the same in a direction extending radially outwardly of said frame against said retention means; support means; means rotatably aupporting said circular frame on said support means; and a plurality of roller means extending into said V-shaped groove, and resilient means acting on said roller means and pressing the same into engagement with wire in said groove.
Claim 2
Dependent Claim
182 words
A wire gripping device of the character described including a circular frame having two internal oppositely disposed walls each sloping towards the center of said circular frame and both defining generally a V-shaped peripheral groove for receiving and gripping wire; a plurality of pairs of gripping jaws within and extending around said peripheral groove; each jaw of each pair of jaws being slidably mounted on a corresponding one of said walls; each pair of said jaws having two oppositely disposed faces each sloping towards the center of said circular frame and both defining generally a V-shaped peripheral jaw slot; jaw retention means on said frame; individual resilient operated means for each of said pair of jaws acting between said frame and said jaws and urging the same in a direction extending radially outwardly of said frame against said retention means; support means; means rotatably aupporting said circular frame on said support means; and a plurality of roller means extending into said V-shaped groove, and resilient means acting on said roller means and pressing the same into engagement with wire in said groove.
Claim 3
Dependent Claim
82 words
A device as set forth in claim 1 including an elongated flexible chain like structure partially encircling said circular frame and having one of its ends secured to said support means; a plurality of spaced rollers each rotatably supported on said chain like structure; and a plurality of rollers extending into said V-shaped peripheral groove for contacting cable therein and contacted by the first rollers; and resilient tensioning means connecting the other end of said chain like structure to said support means.
Claim 4
Dependent Claim
52 words
A device as set forth in claim 1 including an elongated flexible chain like structure partially encircling said circular frame and having one of its ends secured to said support means; and a plurality of rollers on said chain like structure and extending into said groove and contacting wire in said groove.
Claim 5
Dependent Claim
27 words
A device as set forth in claim 1 in which roller means includes a plurality of rollers each resiliently urged into contAct with wire in said groove.
Claim 6
Dependent Claim
107 words
In cable gripping apparatus, a circular structure; a support means; means rotatably supporting said circular structure on said support means; means near the peripheral portion of said structure defining a circular V-shaped grooved portion adapted to receive a cable to be gripped thereby; a flexible chain like structure partially encircling said circular structure and having one end thereof secured to said support means; a plurality of spaced rollers rotatably supported on said chain like structure; rollers extending into said grooved portion for contacting said cable therein and contacting the first-mentioned rollers; and means resiliently supporting the other end of said chain like structure on said support means.
Claim 7
Dependent Claim
107 words
In cable gripping apparatus, a circular structure; a support means; means rotatably supporting said circular structure on said support means; means near the peripheral portion of said structure defining a circular V-shaped grooved portion adapted to receive a cable to be gripped thereby; a flexible chain like structure partially encircling said circular structure and having one end thereof secured to said support means; a plurality of spaced rollers rotatably supported on said chain like structure; rollers extending into said grooved portion for contacting said cable therein and contacting the first-mentioned rollers; and means resiliently supporting the other end of said chain like structure on said support means.
Claim 8
Dependent Claim
45 words
Apparatus as set forth in claim 5 in which said rollers extending into said grooved portion are tapered rollers held in said grooved portion solely by their contact with the rollers on said chain like structure and the wall portions defining said V-shaped grooved portion.
Claim 9
Dependent Claim
134 words
In wire cable gripping apparatus, a circular structure; a support means; means rotatably supporting said circular structure on said support means; means near the peripheral portion of said structure defining a circular V-shaped grooved portion adapted to receive wire to be gripped thereby; articulated means partially encircling said circular structure; a plurality of spaced rollers rotatably supported on said articulated means and extending into said grooved portion; and resilient means acting on said articulated means and said rollers for pressing the same into contact with wire in said grooved portion; said articulated means being a roller chain like structure and said rollers extending into said grooved portion being tapered rollers held in said grooved portion solely by their contact with rollers on said chain like structure and wall portions defining said V-shaped grooved portion.
Claim 10
Dependent Claim
134 words
In wire cable gripping apparatus, a circular structure; a support means; means rotatably supporting said circular structure on said support means; means near the peripheral portion of said structure defining a circular V-shaped grooved portion adapted to receive wire to be gripped thereby; articulated means partially encircling said circular structure; a plurality of spaced rollers rotatably supported on said articulated means and extending into said grooved portion; and resilient means acting on said articulated means and said rollers for pressing the same into contact with wire in said grooved portion; said articulated means being a roller chain like structure and said rollers extending into said grooved portion being tapered rollers held in said grooved portion solely by their contact with rollers on said chain like structure and wall portions defining said V-shaped grooved portion.
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) | 1977-02-25 | 1977-08-27 | 1978-02-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-02-25 | 1981-08-27 | 1982-02-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-02-25 | 1985-08-27 | 1986-02-26 | $7700.00 | Window Closed / Lapsed |