US3779040A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Vibration dampeners
Assignee: Smith International Inc
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Filing: 1971-11-08
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Granted: 1973-12-18
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Expires: 1991-11-08
Abstract
Abstract A vibration dampener may be used between the drill steel and power swivel of a boring machine. A plurality of sectors may be disposed side by side and connected to rings at their ends to form an annulus. Each sector may comprise a metal-rubber sandwich. The annulus may be used to provide means to transmit torque and compression. A pair of tubes with sealed telescopic connection therebetween and travel limit stops may be used to provide connection for transmitting tension and drilling fluid.
Inventors
- 👤 W Garrett
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 14:39
CPC Classifications
F; F16; F16D; F16D3/00; F16D3/02; F16D3/12; E; E21; E21B; E21B17/00; E21B17/02; E21B17/04; E21B17/07; E21B17/073; F16D3/50; F16D3/64; F16D3/68; F16F; F16F15/00; F16F15/10; F16F15/12; F16F15/121; F16F15/124
Claims Analysis
Total Claims: 24
Claim 1
Independent Claim
94 words
A vibration dampener comprising tubular means to transmit axial tension and fluid including a first nipple, a second nipple axially aligned with the first nipple and axially movable relative thereto, and seal means providing a fluid tight passage through said tubular means from the first nipple to the second nipple, and a resilient annulus providing means to transmit tension, torque and axial compression disposed concentrically about the tubular means, said annulus including a plurality of sectors, each sector including metal plates with an elastomer connected therebetween, said nipples each being secured to said annulus.
Claim 2
Dependent Claim
94 words
A vibration dampener comprising tubular means to transmit axial tension and fluid including a first nipple, a second nipple axially aligned with the first nipple and axially movable relative thereto, and seal means providing a fluid tight passage through said tubular means from the first nipple to the second nipple, and a resilient annulus providing means to transmit tension, torque and axial compression disposed concentrically about the tubular means, said annulus including a plurality of sectors, each sector including metal plates with an elastomer connected therebetween, said nipples each being secured to said annulus.
Claim 3
Dependent Claim
20 words
Combination of claim 1 wherein said elastomer of each sector is bonded and vulcanized to the plates of the sector.
Claim 4
Dependent Claim
16 words
Combination of claim 1 including elastomer leaf means carried by each sector disposed between the sectors.
Claim 5
Dependent Claim
51 words
Combination of claim 1 wherein the plates of each sector extend axially in opposite directions beyond the elastomer therebetween, each plate having a transverse flange at the end thereof remote from the elastomer, said flanges cooperating with the opposite ends of said plates to limit relative axial approach of the plates.
Claim 6
Dependent Claim
26 words
Combination of claim 4 wherein there is an elastomer pad between each flange and the cooperating opposite plate end to prevent metal to metal contact therebetween.
Claim 7
Dependent Claim
58 words
Combination of claim 5 including elastomer leaf means carried by each sector disposed between the sectors, said pad means being continuous with said elastomer between said plates and said leaf means including portions on each plate continuous with one of said pads and extending only part way along the axial extent of the side of the metal plate.
Claim 8
Dependent Claim
24 words
Combination of claim 6 wherein said leaf means, pads, and the elastomer between the plates of each sector is bonded aNd vulcanized in place.
Claim 9
Dependent Claim
34 words
Combination of claim 4 wherein the annulus includes a ring at each end thereof, each of said flanges on said metal parts of each sector being screwed to the adjacent one of said rings.
Claim 10
Dependent Claim
21 words
Combination of claim 8 wherein each of said nipples includes a flange connected thereto and screwed to one of said rings.
Claim 11
Dependent Claim
27 words
Combination of claim 1 wherein the annulus includes a ring at each end thereof, a metal part of each sector being secured to one of said rings.
Claim 12
Dependent Claim
21 words
Combination of claim 10 wherein each of said nipples includes a flange connected thereto and secured to one of said rings.
Claim 13
Dependent Claim
57 words
Combination of claim 10 including connection means on each nipple for making connection with other parts of a drilling apparatus, the upper of said connection means being adapted for connection to a power swivel and including a pin and seal, the lower of said connection means including a threaded box adapted for connection to a drill steel.
Claim 14
Dependent Claim
34 words
Combination of claim 1 including stop means limiting separation of the nipples and wherein when the annulus elastomer is unstrained the stop means is in position to allow limited axial extension of said annulus.
Claim 15
Dependent Claim
52 words
Combination of claim 1 wherein the lower end of the uppermost nipple telescopically engages within the upper end of the lowermost nipple, and said seal means includes a nut screwed to the uppermost nipple and an elastomer seal bonded to the nut and axially slidably engaging the inside of the lowermost nipple.
Claim 16
Dependent Claim
24 words
Combination of claim 1 wherein in each sector the rubber between the plates is of rectangular cross-section and the plates are of trapezoidal cross-section.
Claim 17
Dependent Claim
51 words
Combination of claim 16 wherein the plates of each sector extend axially in opposite directions beyond the elastomer therebetween, each plate having a transverse flange at the end thereof remote from the elastomer, said flanges cooperating with the opposite ends of said plates to limit relative axial approach of the plates.
Claim 18
Dependent Claim
20 words
Combination of claim 16 wherein said elastomer of each sector is bonded and vulcanized to the plates of the sector.
Claim 19
Dependent Claim
16 words
Combination of claim 16 including elastomer leaf means carried by each sector disposed between the sectors.
Claim 20
Dependent Claim
34 words
Combination of claim 16 wherein the annulus includes a ring at each end thereof, each of said flanges on said metal parts of each sector being secured to the adjacent one of said rings.
Claim 21
Dependent Claim
24 words
Combination of claim 19 wherein each of said driving and driven members includes a flange connected thereto and secured to one of said rings.
Claim 22
Dependent Claim
27 words
Combination of claim 16 wherein the annulus includes a ring at each end thereof, a metal part of each sector being secured to one of said rings.
Claim 23
Dependent Claim
24 words
Combination of claim 21 wherein each of said driving and driven members includes a flange connected thereto and secured to one of said rings.
Claim 24
Dependent Claim
24 words
Combination of claim 16 wherein in each sector the rubber between the plates is of rectangular cross-section and the plates are of trapezoidal cross-section.
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) | 1976-12-17 | 1977-06-18 | 1977-12-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-12-17 | 1981-06-18 | 1981-12-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-12-17 | 1985-06-18 | 1985-12-18 | $7700.00 | Window Closed / Lapsed |