Extendable tool bar for hay rakes

Details Extendable tool bar for hay rakes Extendable tool bar for hay rakes

1978-11-24

1981-01-20

Johnson, Richard J.

Harvesters

Horse rakes

Side delivery

280456A, 280412, 172314, 172451, A01D 7706

Patent

active

042454581

ABSTRACT:
A transversely extendable tool bar for multiple hay rakes which is adapted to be mounted directly to the three-point hitch of a farm vehicle so that the gang of rakes mounted on the tool bar may be simultaneously lifted from or adjusted relative to the earth's surface.

REFERENCES:
patent: 429437 (1890-06-01), Glass
patent: 1636802 (1927-07-01), Bozard
patent: 1721694 (1929-07-01), Graham
patent: 1775842 (1930-09-01), Berkler
patent: 2178467 (1939-10-01), Brent
patent: 2605599 (1952-08-01), Curry
patent: 2709085 (1955-05-01), Stueland
patent: 2744377 (1956-05-01), McCall
patent: 3077722 (1963-02-01), Sadler
patent: 3093394 (1963-06-01), McCollum
patent: 3508618 (1970-04-01), Walberg
patent: 3568423 (1971-03-01), Hale
patent: 3587217 (1971-06-01), Harriot
patent: 3588139 (1971-06-01), Bayne
patent: 3830314 (1974-08-01), Aitkenhead

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