US3758941A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Swing motor mounting arrangement and method of disassembly
Assignee: Caterpillar Inc
•
Filing: 1972-03-03
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Granted: 1973-09-18
•
Expires: 1992-03-03
Abstract
Abstract A swing motor has a shaft rotatably mounted in a housing thereof with the shaft projecting beyond each end of the housing. A support bracket and a frame are positioned on opposite sides of the motor and have a pair of overlapping bracket arms, positioned at each end of the motor, pivotally mounted together. A pin projects through each pair of bracket arms and is secured to one of the bracket arms and to a respective end of the shaft.
Inventors
- 👤 J Jackson
- 👤 P Lempio
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 03:23
CPC Classifications
B; B04; B04B; B04B7/00; B04B15/00; E; E02; E02F; E02F3/00; E02F3/04; E02F3/28; E02F3/36; E02F3/38; E02F3/382; E02F3/384; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49826; Y10T29/49895; Y10T403/00; Y10T403/32; Y10T403/32606; Y10T403/32861; Y10T403/32918
Claims Analysis
Total Claims: 34
Claim 1
Independent Claim
114 words
A swing motor mounting arrangement comprising a motor having a housing and a shaft mounted therein for relative rotation therewith, first and second ends of said shaft exposed at opposite ends of said housing, a support bracket and a frame normally positioned on opposite sides of said motor and having a pair of overlapping bracket arms positioned at each axial end of said motor to extend laterally beyond said shaft, and pivot means pivotally mounting each pair of said overlapping bracket arms together, including a pin means projecting through said pair of bracket arms and secured to only one of said bracket arms and to a respective first or second end of said shaft.
Claim 2
Dependent Claim
114 words
A swing motor mounting arrangement comprising a motor having a housing and a shaft mounted therein for relative rotation therewith, first and second ends of said shaft exposed at opposite ends of said housing, a support bracket and a frame normally positioned on opposite sides of said motor and having a pair of overlapping bracket arms positioned at each axial end of said motor to extend laterally beyond said shaft, and pivot means pivotally mounting each pair of said overlapping bracket arms together, including a pin means projecting through said pair of bracket arms and secured to only one of said bracket arms and to a respective first or second end of said shaft.
Claim 3
Dependent Claim
22 words
The invention of claim 1 wherein the first and second ends of said shaft project axially beyond respective ends of said housing.
Claim 4
Dependent Claim
41 words
The invention of claim 1 wherein said support bracket has the housing of said motor attached thereto and said frame constitutes the mast frame of a backhoe having a boom and a vertically spaced, hydraulically actuated cylinder each pivotally mounted thereon.
Claim 5
Dependent Claim
55 words
The invention of claim 1 wherein each bracket arm of said frame is bifurcated and each bracket arm of said support bracket is positioned within a respective one of the bifurcated bracket arms, said pivot means further comprising annular bearing means pivotally mounting each pin means on a respective bracket arm of said support bracket.
Claim 6
Dependent Claim
26 words
The invention of claim 1 wherein at least one of said pin means is secured to a respective end of said shaft by a spline connection.
Claim 7
Dependent Claim
24 words
The invention of claim 5 wherein each of said pin means is secured to a respective end of said shaft by a spline connection.
Claim 8
Dependent Claim
27 words
The invention of claim 1 wherein a pin means is secured to the first end of said shaft by bolt means extending axially through said pin means.
Claim 9
Dependent Claim
61 words
The invention of claim 1 wherein at least one of said pin means comprises an inner pin secured to the first end of said shaft and a cylindrical outer pin circumventing said inner pin and attached to said inner pin and to the bracket arm of said frame, said outer pin pivotally mounted on the bracket arm of said support bracket.
Claim 10
Dependent Claim
35 words
The invention of claim 8 wherein said inner and outer pins each terminate at their outer ends at an annular flange respectively attached to said outer pin and to the bracket arm of said frame.
Claim 11
Dependent Claim
34 words
The invention of claim 8 wherein the other one of said pin means constitutes a single pin secured to the second end of said shaft and to the other bracket arm of said frame.
Claim 12
Dependent Claim
34 words
The invention of claim 10 wherein said single pin is secured to the second end of said shaft by a spline connection and is pivotally mounted on the other bracket arm of said frame.
Claim 13
Dependent Claim
53 words
The invention of claim 1 wherein at least one of said pin means has means forming a threaded opening therethrough to expose a respective, adjacent end of said shaft for permitting a bolt to be threadably attached therein and rotated to move such pin means and said shaft axially relative to each other.
Claim 14
Dependent Claim
50 words
The invention of claim 12 further comprising means forming a threaded second opening in said adjacent end of said shaFt, axially aligned with and having a smaller diameter than said first-mentioned threaded opening, for permitting a bolt to be threadably attached therein for pulling said shaft and pin means together.
Claim 15
Dependent Claim
28 words
The invention of claim 1 wherein each of said pin means constitutes a single solid pin connected by a spline connection to a respective end of said shaft.
Claim 16
Dependent Claim
23 words
The invention of claim 14 wherein the inner end of each of said pins is hollow at its spline connection to said shaft.
Claim 17
Dependent Claim
21 words
The invention of claim 14 wherein each end of said shaft is hollow at its spline connection to a respective pin.
Claim 18
Dependent Claim
37 words
The invention of claim 14 further comprising a separate bracket member attached to each of the bracket arms of said support bracket to overlie a respective end of said shaft to prevent axial movement of said shaft.
Claim 19
Dependent Claim
30 words
The invention of claim 14 wherein an outer end of each of said pins has a flange formed thereon, attached to each of the bracket arms of said support bracket.
Claim 20
Dependent Claim
26 words
The invention of claim 14 further comprising on axially extending, annular bearing disposed between each of said pins and a respective bracket arm of said frame.
Claim 21
Dependent Claim
36 words
The invention of claim 19 further comprising an annular sleeve bushing disposed between each of said bearings and a respective pin, each of said sleeve bushings attached to a respective bracket arm of said support bracket.
Claim 22
Dependent Claim
90 words
In a swing motor mounting arrangement, a motor having a housing and a shaft mounted therein for relative rotation therewith, first and second ends of said shaft exposed at opposite ends of said housing, a support bracket and a frame having a pair of overlapping bracket arms positioned at each axial end of said motor to extend laterally beyond said shaft and a pin extending through each pair of bracket arms, the inner end of each of said pins and a respective end of said shaft coupled within each other.
Claim 23
Dependent Claim
90 words
In a swing motor mounting arrangement, a motor having a housing and a shaft mounted therein for relative rotation therewith, first and second ends of said shaft exposed at opposite ends of said housing, a support bracket and a frame having a pair of overlapping bracket arms positioned at each axial end of said motor to extend laterally beyond said shaft and a pin extending through each pair of bracket arms, the inner end of each of said pins and a respective end of said shaft coupled within each other.
Claim 24
Dependent Claim
59 words
The invention of claim 21 further comprising means forming an axially extending threaded hole through at least one of said pins to expose the end of said shaft coupled thereto whereby a bolt can be threadably mounted in said threaded hole and rotated to move said coupled pin and shaft axially apart relative to each other into uncoupled relationship.
Claim 25
Dependent Claim
71 words
The invention of claim 22 further comprising means forming an axially extending threaded second hole on the coupled end of said shaft, disposed in axial alignment with and having a diameter smaller than that of the threaded hole formed through the coupled pin, whereby a bolt can be threadably mounted in said second threaded hole and pulled to move said coupled pin and shaft axially toward each other into coupled relationship.
Claim 26
Independent Claim
121 words
A method for disassembling a vertically disposed motor from a mounting arrangement, wherein each end of a shaft of said motor is attached to a pin means and is further attached to one bracket arm of a pair of overlapping bracket arms positioned at each end of said motor, said motor mounted between said pairs of bracket arms, comprising the steps of first moving a first one of said pin means and a first end of said shaft axially relative to each other to disconnect them, second moving a second one of said pin means and a second end of said shaft axially relative to each other to disconnect them, and removing said motor from between said pairs of bracket arms.
Claim 27
Independent Claim
121 words
A method for disassembling a vertically disposed motor from a mounting arrangement, wherein each end of a shaft of said motor is attached to a pin means and is further attached to one bracket arm of a pair of overlapping bracket arms positioned at each end of said motor, said motor mounted between said pairs of bracket arms, comprising the steps of first moving a first one of said pin means and a first end of said shaft axially relative to each other to disconnect them, second moving a second one of said pin means and a second end of said shaft axially relative to each other to disconnect them, and removing said motor from between said pairs of bracket arms.
Claim 28
Dependent Claim
19 words
The invention of claim 24 wherein said first and second moving steps comprise moving the same pin means axially.
Claim 29
Dependent Claim
74 words
The invention of claim 25 wherein said first moving step comprises simultaneously moving said second pin means and said shaft axially outwardly away from said first pin means to disconnect said first pin means from the first end of said shaft and said second moving step comprises further moving said second pin means axially outwardly away from said first pin means to disconnect said second pin means from the second end of said shaft.
Claim 30
Dependent Claim
86 words
The invention of claim 24 wherein said first moving step comprises moving said second pin means axially outwardly away from said first pin means to disconnect said second pin means from the second end of said shaft and wherein said second moving step comprises threadably mounting a bolt in said first pin means in end abutting relationship with the first end of said shaft and rotating said bolt to move said shaft axially to disconnect the first end of said shaft from said first pin means.
Claim 31
Dependent Claim
44 words
The invention of claim 24 wherein said first and second moving step each comprises moving said first and second pin means axially outwardly away from said motor to disconnect respective first and second ends of said shaft from said first and second pin means.
Claim 32
Independent Claim
84 words
A method for disassembling a first member from an axially aligned second member which is connected thereto by a spline connection, said second member having a threaded hole formed therethrough, comprising the steps of threadably mounting a bolt in said hole, rotating said bolt to abut said first member with an end thereof, and further rotating said bolt to move said first member axially relative to said second member until said first and second members are disconnected from each other at said spline connection.
Claim 33
Independent Claim
84 words
A method for disassembling a first member from an axially aligned second member which is connected thereto by a spline connection, said second member having a threaded hole formed therethrough, comprising the steps of threadably mounting a bolt in said hole, rotating said bolt to abut said first member with an end thereof, and further rotating said bolt to move said first member axially relative to said second member until said first and second members are disconnected from each other at said spline connection.
Claim 34
Dependent Claim
116 words
The invention of claim 29 further comprising the step of reassembling said first and second members by connecting them together at said spline connection, said first member having a threaded second hole formed therein which is axially aligned with and has a smaller diameter than the threaded hole formed through said second member, including the steps of removing said first-mentioned bolt from said second member, inserting a second bolt through the threaded hole formed in said second member, threadably mounting said second bolt in said second hole, and pulling said second bolt to draw said first member toward said second member until said spline connection is fully engaged to connect said first and second members together.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1976-09-17 | 1977-03-19 | 1977-09-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-09-17 | 1981-03-19 | 1981-09-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-09-17 | 1985-03-19 | 1985-09-18 | $7700.00 | Window Closed / Lapsed |