Earth working – Convertible; or changeable by disassembly or assembly – To device classifiable in another class
Patent
1984-03-27
1985-11-26
Johnson, Richard J.
Earth working
Convertible; or changeable by disassembly or assembly
To device classifiable in another class
371175, 172274, 172817, 172275, 414686, E02F 376
Patent
active
045549788
ABSTRACT:
A frame assembly for mounting on a tractor is provided which is designed for quickly and easily attaching different types of implements thereto without the necessity of frame modification or other time-consuming tractor alterations. Advantageously, the frame assembly includes a pair of elongated rails respectively secured to opposed sides of a tractor, along with a bracket assembly secured to the underside of the tractor adjacent the tractor drawbar structure. Each of the alternately mountable implements includes a mounting assembly having a pair of elongated spaced apart channel arms which are operable for slidingly engaging respective mounting rails. In use the implements are stationarily positioned independently of the tractor, and attachment of the implements is simply a matter of driving the tractor forward with the tractor-mounted rails located to slide into engagement with the implement channel arms. The channel arms and rails are then secured by means aligned, apertured coupling structure and quick-connect pins. The dozer blade implement is provided with an elongated lower central beam which extends beneath the tractor for interconnection to the bracket to provide a sturdy and stable blade during scraping operations.
REFERENCES:
patent: 2659572 (1953-11-01), Steer
patent: 2878598 (1959-03-01), Pilch
patent: 3131823 (1964-05-01), Foster
patent: 3255903 (1966-06-01), Lofgren
patent: 3439752 (1969-04-01), Coontz
patent: 3749180 (1973-07-01), Coontz
patent: 3800882 (1974-04-01), Werts
Coontz, Front Mount Dozer Blade Model 1750, advertising brochure of Hart-Carter Mendota, Ill.
Great Bend Loader Operators Manual, Models 2024, 2524, 3424, Great Bend Mfg. Co. Inc., Great Bend, KA published 1981.
Great Bend Manufacturing Co., Inc.
Johnson Richard J.
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