Patent US7047386B1 successfully refreshed from Google Patents.
US3720296A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Inching and two speed planetary gear drives for presses
Assignee: Komatsu Ltd
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Filing: 1971-05-03
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Granted: 1973-03-13
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Expires: 1991-05-03
Abstract
Abstract In a driving system of mechanical presses, a driving device for presses comprising a clutch section and a brake section for affording to rotate the driving shaft at a high speed or at low speed or for stopping the driving shaft.
Inventors
- 👤 E Ohno
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 17:40
CPC Classifications
B; B30; B30B; B30B15/00; B30B15/10; G; G11; G11C; G11C13/00; G11C13/04; G11C13/041; Y; Y10; Y10T; Y10T74/00; Y10T74/19; Y10T74/19014
Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
493 words
A driving device for presses characterized by consisting of a brake section and a clutch section, said brake section comprising: a brake casing fixed on the side wall of the press and forming a brake chamber, a supporting member fixed on said brake casing and having a projecting cylinder portion, a flywheel mounted on the projecting cylinder portion of said supporting member, a rotating shaft extending into the brake chamber passing through said projected cylinder portion and rotating integrally with the rotation of said flywheel, an annular pressure plate disposed in the brake chamber, a high speed disk plate holder and a low speed disk plate holder provided on opposite sides of said pressure plate, a high speed ring body and a low speed ring body each provided on its outer periphery with lining materials forming a friction brake corresponding to each of the disk plates of said disk plate holder and each provided on its inner periphery with gear teeth, high speed planet gears and low speed planet gears engaging simultaneously with a high speed sun gear portion and low speed sun gear portion respectively provided on said rotating shaft corresponding to the inner peripheral gear portion of said ring bodies, a rotating body having at its flange portion short shafts fixed rotatably with a pair of said high speed planet gear and low speed planet gear, a driving shaft rotatable integral with and rotatable but separated from said rotating shaft, an annular high speed cylinder chamber and low speed cylinder chamber allowing introduction of compressed air from compressed air supplying line and provided in the brake chamber, and annular pistons fitted in these cylinder chambers and pressingly contactable with the assembly consisting of said disk plates and lining materials; said clutch section comprising: a clutch casing supported rotatably on the side wall of the press, a center extending in said casing and mounted at the end portion of said driving shaft to which is fixed with a driving pinion, a disk plate holder provided on its inner periphery with disk plates corresponding to the lining materials provided on the outer periphery of said center, and mounted on the inner periphery of said clutch casing, an annular projection formed on the end surface of said clutch casing, an annular cover member surmounted on said annular projection and forming a cylinder chamber, an annular actuating member advancing and retracting with the advancing and retracting motions of said annular cover member, and at the same time pressedly contacting with the assembly of said disk plates and lining materials to press the plates and the lining materials together, and compressed air line for releasing the clutch communicating with said cylinder chamber; and timing valves provided in each of the operating circuits for each of the timing for relative operation of the brake section and the clutch section as well as the timing for relatively operation of the high speed portion and the low speed portion.
Claim 2
Dependent Claim
493 words
A driving device for presses characterized by consisting of a brake section and a clutch section, said brake section comprising: a brake casing fixed on the side wall of the press and forming a brake chamber, a supporting member fixed on said brake casing and having a projecting cylinder portion, a flywheel mounted on the projecting cylinder portion of said supporting member, a rotating shaft extending into the brake chamber passing through said projected cylinder portion and rotating integrally with the rotation of said flywheel, an annular pressure plate disposed in the brake chamber, a high speed disk plate holder and a low speed disk plate holder provided on opposite sides of said pressure plate, a high speed ring body and a low speed ring body each provided on its outer periphery with lining materials forming a friction brake corresponding to each of the disk plates of said disk plate holder and each provided on its inner periphery with gear teeth, high speed planet gears and low speed planet gears engaging simultaneously with a high speed sun gear portion and low speed sun gear portion respectively provided on said rotating shaft corresponding to the inner peripheral gear portion of said ring bodies, a rotating body having at its flange portion short shafts fixed rotatably with a pair of said high speed planet gear and low speed planet gear, a driving shaft rotatable integral with and rotatable but separated from said rotating shaft, an annular high speed cylinder chamber and low speed cylinder chamber allowing introduction of compressed air from compressed air supplying line and provided in the brake chamber, and annular pistons fitted in these cylinder chambers and pressingly contactable with the assembly consisting of said disk plates and lining materials; said clutch section comprising: a clutch casing supported rotatably on the side wall of the press, a center extending in said casing and mounted at the end portion of said driving shaft to which is fixed with a driving pinion, a disk plate holder provided on its inner periphery with disk plates corresponding to the lining materials provided on the outer periphery of said center, and mounted on the inner periphery of said clutch casing, an annular projection formed on the end surface of said clutch casing, an annular cover member surmounted on said annular projection and forming a cylinder chamber, an annular actuating member advancing and retracting with the advancing and retracting motions of said annular cover member, and at the same time pressedly contacting with the assembly of said disk plates and lining materials to press the plates and the lining materials together, and compressed air line for releasing the clutch communicating with said cylinder chamber; and timing valves provided in each of the operating circuits for each of the timing for relative operation of the brake section and the clutch section as well as the timing for relatively operation of the high speed portion and the low speed portion.
Claim 3
Dependent Claim
493 words
A driving device for presses characterized by consisting of a brake section and a clutch section, said brake section comprising: a brake casing fixed on the side wall of the press and forming a brake chamber, a supporting member fixed on said brake casing and having a projecting cylinder portion, a flywheel mounted on the projecting cylinder portion of said supporting member, a rotating shaft extending into the brake chamber passing through said projected cylinder portion and rotating integrally with the rotation of said flywheel, an annular pressure plate disposed in the brake chamber, a high speed disk plate holder and a low speed disk plate holder provided on opposite sides of said pressure plate, a high speed ring body and a low speed ring body each provided on its outer periphery with lining materials forming a friction brake corresponding to each of the disk plates of said disk plate holder and each provided on its inner periphery with gear teeth, high speed planet gears and low speed planet gears engaging simultaneously with a high speed sun gear portion and low speed sun gear portion respectively provided on said rotating shaft corresponding to the inner peripheral gear portion of said ring bodies, a rotating body having at its flange portion short shafts fixed rotatably with a pair of said high speed planet gear and low speed planet gear, a driving shaft rotatable integral with and rotatable but separated from said rotating shaft, an annular high speed cylinder chamber and low speed cylinder chamber allowing introduction of compressed air from compressed air supplying line and provided in the brake chamber, and annular pistons fitted in these cylinder chambers and pressingly contactable with the assembly consisting of said disk plates and lining materials; said clutch section comprising: a clutch casing supported rotatably on the side wall of the press, a center extending in said casing and mounted at the end portion of said driving shaft to which is fixed with a driving pinion, a disk plate holder provided on its inner periphery with disk plates corresponding to the lining materials provided on the outer periphery of said center, and mounted on the inner periphery of said clutch casing, an annular projection formed on the end surface of said clutch casing, an annular cover member surmounted on said annular projection and forming a cylinder chamber, an annular actuating member advancing and retracting with the advancing and retracting motions of said annular cover member, and at the same time pressedly contacting with the assembly of said disk plates and lining materials to press the plates and the lining materials together, and compressed air line for releasing the clutch communicating with said cylinder chamber; and timing valves provided in each of the operating circuits for each of the timing for relative operation of the brake section and the clutch section as well as the timing for relatively operation of the high speed portion and the low speed portion.
Claim 4
Dependent Claim
493 words
A driving device for presses characterized by consisting of a brake section and a clutch section, said brake section comprising: a brake casing fixed on the side wall of the press and forming a brake chamber, a supporting member fixed on said brake casing and having a projecting cylinder portion, a flywheel mounted on the projecting cylinder portion of said supporting member, a rotating shaft extending into the brake chamber passing through said projected cylinder portion and rotating integrally with the rotation of said flywheel, an annular pressure plate disposed in the brake chamber, a high speed disk plate holder and a low speed disk plate holder provided on opposite sides of said pressure plate, a high speed ring body and a low speed ring body each provided on its outer periphery with lining materials forming a friction brake corresponding to each of the disk plates of said disk plate holder and each provided on its inner periphery with gear teeth, high speed planet gears and low speed planet gears engaging simultaneously with a high speed sun gear portion and low speed sun gear portion respectively provided on said rotating shaft corresponding to the inner peripheral gear portion of said ring bodies, a rotating body having at its flange portion short shafts fixed rotatably with a pair of said high speed planet gear and low speed planet gear, a driving shaft rotatable integral with and rotatable but separated from said rotating shaft, an annular high speed cylinder chamber and low speed cylinder chamber allowing introduction of compressed air from compressed air supplying line and provided in the brake chamber, and annular pistons fitted in these cylinder chambers and pressingly contactable with the assembly consisting of said disk plates and lining materials; said clutch section comprising: a clutch casing supported rotatably on the side wall of the press, a center extending in said casing and mounted at the end portion of said driving shaft to which is fixed with a driving pinion, a disk plate holder provided on its inner periphery with disk plates corresponding to the lining materials provided on the outer periphery of said center, and mounted on the inner periphery of said clutch casing, an annular projection formed on the end surface of said clutch casing, an annular cover member surmounted on said annular projection and forming a cylinder chamber, an annular actuating member advancing and retracting with the advancing and retracting motions of said annular cover member, and at the same time pressedly contacting with the assembly of said disk plates and lining materials to press the plates and the lining materials together, and compressed air line for releasing the clutch communicating with said cylinder chamber; and timing valves provided in each of the operating circuits for each of the timing for relative operation of the brake section and the clutch section as well as the timing for relatively operation of the high speed portion and the low speed portion.
Claim 5
Dependent Claim
586 words
A driving device for presses characterized by consisting of a brake section and a clutch section, said brake section comprising: a brake casing fixed on the side wall of the press and forming a brake chamber, a supporting member fixed on said brake casing and having a projecting cylinder portion, a flywheel mounted on said projected cylinder portion of said supporting member, a rotating shaft extending into the clutch chamber passing through said projected cylinder portion and rotating integrally with the rotation of said flywheel, an annular pressure plate disposed in the brake chamber, a high speed disk plate holder and a low speed disk plate holder provided on opposite sides of said pressure plate, a high speed ring body and a low speed ring body each provided on its outer periphery with lining materials forming a friction brake corresponding to each of the disk plates Of said disk plate holder and each provided on its inner periphery with gear teeth, high speed planet gears and low speed planet gears engaging simultaneously with a high speed sun gear portion or low speed sun gear portion provided on said rotating shaft corresponding to the inner peripheral gear portion of said ring bodies, a rotating body having at its flange portion short shafts fixed rotatably with a pair of said high speed planet gear, a driving shaft rotatable integral with and rotatable but separated from said rotating shaft, an annular high speed cylinder chamber and low speed cylinder chamber allowing introduction of compressed air from compressed air supplying line and provided in the brake chamber, and annular pistons fitted in these cylinder chambers and pressingly contactable with the assembly consisting of said disk plates and lining materials; said clutch section comprising: a clutch casing supported rotatably on the side wall of the press, a clutch center extending in said clutch casing and mounted at the end portion of said driving shaft to which is fixed with a driving pinion, a disk plate holder provided on its inner periphery with disk plates corresponding to the lining materials provided on the outer periphery of said center, and mounted on the inner periphery of said clutch casing, an annular projection formed on the end surface of said clutch casing, an annular cover member surmounted on said annular projection and forming a cylinder chamber, an annular actuating member advancing and retracting with the advancing and retracting motions of said annular cover member, and at the same time pressedly contacting with the assembly of said disk plates and lining materials to press the plates and the lining materials together, and compressed air line for releasing the clutch communicating with said cylinder chamber; an air line for connecting the cylinder chamber for high speed clutch and a directional control valve through a timing valve; an air line for connecting the cylinder chamber for low speed and said directional control valve through a timing valve; an air line for connecting the cylinder chamber for the clutch section and a timing valve for the clutch; an air line for connecting the air line for the brake section and the air line for the clutch section through a clutch brake directional control valve for supplying and stopping air for each of said valves; and timing valves provided in each of the operating circuits for each of the timing for relative operation of the brake section and the clutch section as well as the timing for relative operation of the high speed portion and the low speed portion.
Claim 6
Dependent Claim
586 words
A driving device for presses characterized by consisting of a brake section and a clutch section, said brake section comprising: a brake casing fixed on the side wall of the press and forming a brake chamber, a supporting member fixed on said brake casing and having a projecting cylinder portion, a flywheel mounted on said projected cylinder portion of said supporting member, a rotating shaft extending into the clutch chamber passing through said projected cylinder portion and rotating integrally with the rotation of said flywheel, an annular pressure plate disposed in the brake chamber, a high speed disk plate holder and a low speed disk plate holder provided on opposite sides of said pressure plate, a high speed ring body and a low speed ring body each provided on its outer periphery with lining materials forming a friction brake corresponding to each of the disk plates Of said disk plate holder and each provided on its inner periphery with gear teeth, high speed planet gears and low speed planet gears engaging simultaneously with a high speed sun gear portion or low speed sun gear portion provided on said rotating shaft corresponding to the inner peripheral gear portion of said ring bodies, a rotating body having at its flange portion short shafts fixed rotatably with a pair of said high speed planet gear, a driving shaft rotatable integral with and rotatable but separated from said rotating shaft, an annular high speed cylinder chamber and low speed cylinder chamber allowing introduction of compressed air from compressed air supplying line and provided in the brake chamber, and annular pistons fitted in these cylinder chambers and pressingly contactable with the assembly consisting of said disk plates and lining materials; said clutch section comprising: a clutch casing supported rotatably on the side wall of the press, a clutch center extending in said clutch casing and mounted at the end portion of said driving shaft to which is fixed with a driving pinion, a disk plate holder provided on its inner periphery with disk plates corresponding to the lining materials provided on the outer periphery of said center, and mounted on the inner periphery of said clutch casing, an annular projection formed on the end surface of said clutch casing, an annular cover member surmounted on said annular projection and forming a cylinder chamber, an annular actuating member advancing and retracting with the advancing and retracting motions of said annular cover member, and at the same time pressedly contacting with the assembly of said disk plates and lining materials to press the plates and the lining materials together, and compressed air line for releasing the clutch communicating with said cylinder chamber; an air line for connecting the cylinder chamber for high speed clutch and a directional control valve through a timing valve; an air line for connecting the cylinder chamber for low speed and said directional control valve through a timing valve; an air line for connecting the cylinder chamber for the clutch section and a timing valve for the clutch; an air line for connecting the air line for the brake section and the air line for the clutch section through a clutch brake directional control valve for supplying and stopping air for each of said valves; and timing valves provided in each of the operating circuits for each of the timing for relative operation of the brake section and the clutch section as well as the timing for relative operation of the high speed portion and the low speed 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) | 1976-03-12 | 1976-09-11 | 1977-03-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-03-12 | 1980-09-11 | 1981-03-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-03-12 | 1984-09-11 | 1985-03-13 | $7700.00 | Window Closed / Lapsed |