Lawn care device

Details Lawn care device Lawn care device

1978-12-18

1981-12-22

Hafer, Robert A.

Harvesters

Cutting and raking

56295, 56255, 172438, 172748, A01D 4302, A01B 4502, A01D 3526

Patent

active

043064078

ABSTRACT:
A lawn care device is provided which essentially consists of support beams or rotary cutter blades which are mounted onto the vertically disposed drive shaft of conventional lawn motors. The support beams are provided with receiving means, support-like bars, trunnions and the like, for pivotably mounting work tools thereon. The work tools are moved into an operating position by the forces resulting from the rotation of the support beam and are pivoted to a non-operative position when engaging an obstacle.

REFERENCES:
patent: 2720071 (1955-10-01), Watanabe
patent: 2740249 (1956-04-01), Stearns
patent: 2869311 (1959-01-01), Beeston, Jr.
patent: 3086346 (1963-04-01), Zimmermann
patent: 3117633 (1964-01-01), Hosek
patent: 3321026 (1967-05-01), Hubbard
patent: 3742688 (1973-07-01), Tonjes
patent: 3964243 (1976-06-01), Knipe

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