US3592111A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Compactor
Assignee: Construction Technologies Inc
•
Filing: 1969-04-01
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Granted: 1971-07-13
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Expires: 1989-04-01
Abstract
Abstract A material compactor for use with backhoes and the like. The compactor includes a box frame adapted for attachment to a backhoe and a hydraulic motor rigidly supported within the box frame. A shaft is rotatably supported on the frame beneath the motor. The shaft extends horizontally and is directly coupled to the motor by a chain and sprocket drive. A pair of connecting rod assemblies are eccentrically mounted directly on the shaft and extend downwardly therefrom to a pair of compactor shoes.
Inventors
- 👤 Johnston R Livingston
- 👤 George C Whitus
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 19:25
CPC Classifications
E; E02; E02F; E02F3/00; E02F3/04; E02F3/96; E02F3/963; E02D; E02D3/00; E02D3/02; E02D3/046; E02D3/074
Claims Analysis
Total Claims: 9
Claim 1
Independent Claim
111 words
A compactor comprising: a backhoe having a boom; a substantially closed hollow box mounted on the boom of the backhoe; a motor positioned within the box; a plurality of bearings mounted on the box; a shaft supported in the bearings for rotation about a horizontal axis; means directly coupling the shaft to the motor for rotation thereby; a pair of connecting rods eccentrically mounted to the shaft for reciprocatory movement out of phase with each other in response to rotation of the shaft, and a pair of members, one mounted on each of the connecting rods, for alternative reciprocatory movement relative to the housing in response to operation of the motor.
Claim 2
Dependent Claim
111 words
A compactor comprising: a backhoe having a boom; a substantially closed hollow box mounted on the boom of the backhoe; a motor positioned within the box; a plurality of bearings mounted on the box; a shaft supported in the bearings for rotation about a horizontal axis; means directly coupling the shaft to the motor for rotation thereby; a pair of connecting rods eccentrically mounted to the shaft for reciprocatory movement out of phase with each other in response to rotation of the shaft, and a pair of members, one mounted on each of the connecting rods, for alternative reciprocatory movement relative to the housing in response to operation of the motor.
Claim 3
Dependent Claim
36 words
The compactor according to claim 1 further including a housing extending from the box for enclosing the shaft and the connecting rods and further including guide means positioned in the housing for guiding the connecting rods.
Claim 4
Dependent Claim
32 words
The compactor according to claim 1 wherein the motor is a hydraulic motor and further including means for transferring hydraulic fluid from the backhoe into the box and hence to the motor.
Claim 5
Dependent Claim
37 words
The compactor according to claim 1 wherein the means for directly coupling the motor and the shaft comprises a sprocket driven by the motor, a sprocket mounted on the shaft and a chain extending around the sprockets.
Claim 6
Dependent Claim
126 words
A compactor mechanism comprising: a frame; a pair of members mounted on the frame for alternate reciprocatory movement in a predetermined direction; a shaft supported on the frame for rotation with respect thereto; a pair of eccentric mechanisms each mounted to the shaft and each for reciprocating one of the members upon rotation of the shaft; a motor mounted on the frame for rotating the shaft; a vehicle for supporting and transporting the frame and operatively connected to the motor for supplying power thereto, and a boom mountEd on the vehicle for supporting and positioning the frame and for applying a force thereto in the predetermined direction, whereby, upon operation of the motor, the members superimpose a hammering action on the force applied by the boom.
Claim 7
Dependent Claim
126 words
A compactor mechanism comprising: a frame; a pair of members mounted on the frame for alternate reciprocatory movement in a predetermined direction; a shaft supported on the frame for rotation with respect thereto; a pair of eccentric mechanisms each mounted to the shaft and each for reciprocating one of the members upon rotation of the shaft; a motor mounted on the frame for rotating the shaft; a vehicle for supporting and transporting the frame and operatively connected to the motor for supplying power thereto, and a boom mountEd on the vehicle for supporting and positioning the frame and for applying a force thereto in the predetermined direction, whereby, upon operation of the motor, the members superimpose a hammering action on the force applied by the boom.
Claim 8
Dependent Claim
44 words
The compactor mechanism according to claim 5 wherein the members are compactor feet, wherein the eccentric mechanisms are supported on the shaft and further including a pair of connecting rods each extending between one of the eccentric mechanisms and one of the compactor feet.
Claim 9
Dependent Claim
41 words
The compactor mechanism according to claim 5 wherein the frame is a hollow box, wherein the motor is a hydraulic motor mounted within the box, and further including a housing supported on the motor and surrounding the shaft and the eccentrics.
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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) | 1974-07-12 | 1975-01-11 | 1975-07-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-07-12 | 1979-01-11 | 1979-07-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-07-12 | 1983-01-11 | 1983-07-13 | $7700.00 | Window Closed / Lapsed |