A - Human Necessities – 01 – B
Patent
A - Human Necessities
01
B
A01B 73/02 (2006.01) A01B 35/04 (2006.01) A01B 61/04 (2006.01) A01B 73/06 (2006.01)
Patent
CA 2132128
An agricultural cultivator includes a single elongate tubular tool bar of circular cross section which is split into a centre section and two wing sections interconnected with the centre section at outer ends thereof through pivot couplings. The center section of the tool bar is mounted on two ground wheels and the outer end of each wing section is mounted on a respective one of a pair of ground wheels. Each ground wheel is connected to the tool bar by a respective brace. The ground wheels are aligned so that there axes of rotation lie on a common line forwardly of the tool bar. The braces are interconnected with a hitch frame for pivotal movement relative to the hitch frame about pivot pins defining a common pivot axis parallel to the tool bar and located between the tool bar and the common line of the ground wheels so that rotation of the braces causes the tool bar to move forwardly while the ground wheels move rearwardly under the toolbar. The rotation of the tool bar through approximately 90° lifts the cultivator shanks mounted on individual tool frames carried from the tool bar so that the tool frames stand vertically upwardly from the tool bar in a transport position. In the operating position slight movement of the braces adjust the vertical height of the tool bar from the ground for adjusting the depth setting of the cultivator shanks.
Ade & Company
Balmer Charles
LandOfFree
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