US3864990A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Gear torque transmission boxes
Assignee: HERWAYTHORN SA
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Filing: 1973-05-15
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Granted: 1975-02-11
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Expires: 1993-05-15
Abstract
Abstract A set of parts for making up different gear torque transmission boxes comprises a principal part A comprising a casing with two shafts supporting gear wheels, the casing having openings at the shaft ends and an upper opening, a secondary part B comprising a casing with an upper and lower opening and two side openings surrounding the ends of a shaft carrying a gear wheel, a part C forming a shaft exit with a dog for fitting to the shaft openings of the parts A and B, a simple shaft exit part D comprising a jacket with a coupling plate for fitting to the shaft openings of parts A and B, a similar shaft exit part F with take off for a tachometer, and covers for openings in parts A and B which are not connected to other parts.
Inventors
- 👤 Gerard H Lacoste
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 05:36
CPC Classifications
F; F16; F16H; F16H57/00; F16H57/02; F16H57/033; Y; Y10; Y10T; Y10T74/00; Y10T74/19; Y10T74/19023; Y10T74/19051; Y10T74/19065; Y10T74/19167; Y10T74/21; Y10T74/2186
Claims Analysis
Total Claims: 9
Claim 1
Independent Claim
417 words
A set of parts for making up different gear torque transmission boxes, which set of parts comprises: a principal part A comprising a casing containing two shafts supporting gear wheels and having an upper opening, with four identical side openings surrounding the four shaft ends, a secondary part B comprising a casing containing a shaft supporting at least one gear wheel and having an upper opening and a lower opening which are identical with one another and identical with the upper opening of the principal part A, means at said upper and lower openings for attachment of part B to part A at said upper opening, also two side openings surrounding the two shaft ends, these side openings being identical with one another and identical with the four openings of the principal part A, a part C constituting a shaft exit with dog, comprising a bearing, a section of shaft supported by the bearing having a first end projecting from the bearing and a coupling plate fixed on this end, a second internal end supporting a dog device, a means of operating the dog device which is accessible from the outside the bearing, said bearing having an opening and means allowiNg it to be fixed to any one of the six openings surrounding the shaft ends of the principal part A and the secondary part B, a part D constituting a simple shaft exit, composed of a jacket having a first opening and a second opening opposite to it, a coupling plate projecting from an opening in the jacket and extending to the interior of the latter, means at the other opening in the jacket enabling it to be fixed to any one of the six openings surrounding the ends of the shafts of the principal part A and of the secondary part B, a part E constituting a shaft exit with take-off for tachometer, similar to part D, and including an extended internal portion provided with a gear wheel and a further extended jacket having a side opening which is closed by a supporting bearing containing a shaft fitted at its inner end with a pinion meshing with the gear wheel, a part F constituting a casing cover with means for fixing it to any one of the upper and lower openings of the parts A and B, and a part G constituting a shaft end cover with means for fixing it to any one of the six side openings of the parts A and B.
Claim 2
Dependent Claim
417 words
A set of parts for making up different gear torque transmission boxes, which set of parts comprises: a principal part A comprising a casing containing two shafts supporting gear wheels and having an upper opening, with four identical side openings surrounding the four shaft ends, a secondary part B comprising a casing containing a shaft supporting at least one gear wheel and having an upper opening and a lower opening which are identical with one another and identical with the upper opening of the principal part A, means at said upper and lower openings for attachment of part B to part A at said upper opening, also two side openings surrounding the two shaft ends, these side openings being identical with one another and identical with the four openings of the principal part A, a part C constituting a shaft exit with dog, comprising a bearing, a section of shaft supported by the bearing having a first end projecting from the bearing and a coupling plate fixed on this end, a second internal end supporting a dog device, a means of operating the dog device which is accessible from the outside the bearing, said bearing having an opening and means allowiNg it to be fixed to any one of the six openings surrounding the shaft ends of the principal part A and the secondary part B, a part D constituting a simple shaft exit, composed of a jacket having a first opening and a second opening opposite to it, a coupling plate projecting from an opening in the jacket and extending to the interior of the latter, means at the other opening in the jacket enabling it to be fixed to any one of the six openings surrounding the ends of the shafts of the principal part A and of the secondary part B, a part E constituting a shaft exit with take-off for tachometer, similar to part D, and including an extended internal portion provided with a gear wheel and a further extended jacket having a side opening which is closed by a supporting bearing containing a shaft fitted at its inner end with a pinion meshing with the gear wheel, a part F constituting a casing cover with means for fixing it to any one of the upper and lower openings of the parts A and B, and a part G constituting a shaft end cover with means for fixing it to any one of the six side openings of the parts A and B.
Claim 3
Dependent Claim
28 words
A set of parts according to claim 1, in which part A includes a side opening which is at least roughed out and identical with the upper opening.
Claim 4
Dependent Claim
49 words
A set of parts according to claim 2, wherein said shafts of part A are of two types, including shafts of type H without any ends projecting from the casing, and shafts with one end projecting and having keyways, and another end projecting and provided with a toothed pinion.
Claim 5
Dependent Claim
141 words
A set of assembled parts constituting a transfer box for a motor vehicle, which is made up of parts according to claim 3, which are brought together and comprise: a part A fitted at its opposite lower side ends with a part C, a shaft exit with dog, and a part E, a shaft exit with take-off for tachometer, the upper side ends of this part being obturated by parts G, shaft end covers, a part B fixed to part A, its lower opening coinciding with the upper opening of part A and its side openings being fitted respectively with a part D, a simple shaft exit, kand a part G, a shaft end cover, three type H and I shafts appropriate to the other parts used, and a part F, casing cover, obturating the upper opening of the part B.
Claim 6
Dependent Claim
136 words
A set of assembled parts constituting a torque transmission box made up of parts according to claim 3 brought together and comprising: two parts A each having a side opening and an upper opening which are identical, fitted together with the upper opening of one coinciding with the side opening of the other, a part B fitted to one of the parts A with one of its upper and lower openings coinciding with the side opening of this part, two parts F, one of which obturates an upper opening of one part A and the other the opening of part B which is not yet obturated, and a number of parts C, D, E mounted on the shaft end side openings of the parts A and B, with shafts of type H and I to correspond.
Claim 7
Dependent Claim
86 words
A set of assembled parts constituting a transfer box with two gear trains, which is made up of parts according to claim 3 brought together and comprising: a part A which has its upper opening obturated by a part F, two type I shafts, one being provided with a part D in the upper portion of the casing and the other, in the lower portion of the casing, being fitted with a part C at one end and with a part E at the other end.
Claim 8
Dependent Claim
83 words
A set of assembled parts constituting a torque disconnection box made up of parts according to claim 3 brought together and comprising: a part B, two parts F, casing covers, obturating the upper and lower openings of this part B, a part C, a shaft exit with dog, fitted to one of the side openings of the part B, one of the parts D and E, fitted to the second of the side openings of the part B, and a type I Shaft.
Claim 9
Dependent Claim
144 words
A set of assembled parts constituting a countermotion box with power take-off, made up of parts according to claim 3 brought together and comprising: two parts A superimposed one on the other, brought together and fixed one to the other in opposite directions by their upper openings, two parts C, shaft exit with dog, mounted respectively one on one of the side openings of a part A and the other on one of the side openings, on the opposite side, of the second part A, a part E, a shaft exit with take-off for tachometer, mounted on the side opening opposite that of the part C of the second part A, four shafts of types H and I appropriate to the shaft exit parts, and four parts G, shaft end covers, mounted respectively on the four unused side openings of the two parts A.
References Cited (Backward Citations)
US3290962A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1978-02-10 | 1978-08-12 | 1979-02-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1982-02-10 | 1982-08-12 | 1983-02-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1986-02-10 | 1986-08-12 | 1987-02-11 | $7700.00 | Window Closed / Lapsed |