US3682253A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Mounting frame for rock breakers and rock implements
Assignee: Air Advantage Pty Ltd
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Filing: 1970-09-22
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Granted: 1972-08-08
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Expires: 1990-09-22
Abstract
Abstract A mobile mounting frame for rock working tools having universally movable tool positioning and operatively supporting means.
Inventors
- 👤 Ian Arthur Mcintosh
- 👤 Norman John Bowers
- 👤 Brian Alfred Bowers
- 👤 Bruce Robert Miles
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 09:08
CPC Classifications
E; E21; E21C; E21C27/00; E21C27/20; E21C27/28; E21B; E21B7/00; E21B7/02; E21B7/027
Claims Analysis
Total Claims: 10
Claim 1
Independent Claim
199 words
A mounting frame for rock working tools, said mounting frame comprising a base, a turntable rotatably mounted on the base, means whereby the turntable can be turned to and held in a selected position, a primary arm slidably mounted on the turntable, said base including means for supporting said turntable, said means comprising a plurality of rollers forming a ring track on which said turntable is mounted, a channel track extending across said turntable over the axis of its rotation, a plurality of upper and lower rollers located to support the primary arm slidably in said channel track, means whereby said primary arm can be moved and held on the turntable in a Selected position, a head at one end of said primary arm, a secondary arm slidably and rotatably mounted in said head, means whereby said secondary arm can be moved and held in the head in a selected position, a yoke mounted on one end of said secondary arm, a carrier swingably mounted in the yoke, an implement cradle slidably mounted on said cradle means to swing the carrier and hold it in a selected position, and actuating and control mechanisms for each of said aforementioned means.
Claim 2
Dependent Claim
199 words
A mounting frame for rock working tools, said mounting frame comprising a base, a turntable rotatably mounted on the base, means whereby the turntable can be turned to and held in a selected position, a primary arm slidably mounted on the turntable, said base including means for supporting said turntable, said means comprising a plurality of rollers forming a ring track on which said turntable is mounted, a channel track extending across said turntable over the axis of its rotation, a plurality of upper and lower rollers located to support the primary arm slidably in said channel track, means whereby said primary arm can be moved and held on the turntable in a Selected position, a head at one end of said primary arm, a secondary arm slidably and rotatably mounted in said head, means whereby said secondary arm can be moved and held in the head in a selected position, a yoke mounted on one end of said secondary arm, a carrier swingably mounted in the yoke, an implement cradle slidably mounted on said cradle means to swing the carrier and hold it in a selected position, and actuating and control mechanisms for each of said aforementioned means.
Claim 3
Dependent Claim
32 words
A mounting frame as claimed in claim 1 wherein the base includes a trailer chassis mounted on wheels, jacks supporting the chassis when in operative position and stays to stabilize the chassis.
Claim 4
Dependent Claim
47 words
A mounting frame as claimed in claim 1 including means for rotating the turntable and holding it in a selected position, said means comprising an endless chain mounted around the turntable and anchored thereto, a motor mounted on said base, said chain drivingly connected to said motor.
Claim 5
Dependent Claim
64 words
A mounting frame as claimed in claim 1 including means for moving the primary arm and securing it in a selected position, said means comprising a chain, a channel housing on the turntable, chain pulleys on said arm, a motor mounted on the turntable, said chain anchored at its ends to said channel, passing around said chain pulleys and drivingly connected to said motor.
Claim 6
Dependent Claim
126 words
A mounting frame as claimed in claim 1 wherein the end part of the primary arm to which the head is fixed is set upwardly outwardly and acutely relative to said arm, said head comprising a pair of mounting plates, a case including side plates pivotally connected to said mounting plates, said side plates having a plurality of positioning holes on a common radius from said pivot connection, said head mounting plates having at least one registering hole therethrough, a mounting sleeve for said secondary arm rotatably mounted in the case, upper and lower end plates holding said sleeve in said case, a sprocket on one of said end plates, a motor mounted between said side plates, and a chain connecting said sprocket to said motor.
Claim 7
Dependent Claim
91 words
A mounting frame as claimed in claim 5 wherein said secondary arm is slidable in said end plates, means for raising and lowering said arm and holding it in a selected position, said means comprising a chain, a pulley on the bottom of said secondary arm, a motor mounted on the upper sleeve end plate, a pulley at the top of said secondary arm, said chain anchored at one end to the lower sleeve end plate, passing around said bottom pulley upwardly to said motor and then over said top pulley.
Claim 8
Dependent Claim
58 words
A mounting frame as claimed in claim 1 wherein said yoke comprises two arms including bearings in their lower ends and said carrier includes trunion journals mounted in said bearings, two pneumatic cylinder-plunger units pivotally connected to said yoke and to brackets on the working tool carrier respectively to thereby hold said carrier in a selected operative position.
Claim 9
Dependent Claim
39 words
A mounting frame as claimed in claim 1 wherein said implement cradle is slidably mounted on the carrier, means controlling said sliding movement, said control means comprising a pneumatic cylinder and plunger unit connecting said cradle to said carrier.
Claim 10
Dependent Claim
21 words
A mounting frame as claimed in claim 1 wherein said actuating and control mechanisms are mounted on a mobile control member.
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) | 1975-08-08 | 1976-02-07 | 1976-08-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-08-08 | 1980-02-07 | 1980-08-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-08-08 | 1984-02-07 | 1984-08-08 | $7700.00 | Window Closed / Lapsed |