A - Human Necessities – 01 – B
Patent
A - Human Necessities
01
B
97/29, 97/76
A01B 5/04 (2006.01) A01B 21/08 (2006.01) A01B 61/04 (2006.01)
Patent
CA 1074172
ABSTRACT OF THE DISCLOSURE A cultivating implement such as a discer is provi- ded with a coulter disc engageable with the ground and secu- red to the tail beam with the depth being preset by the hy- draulic setting of the main disc gang. A fluid operator is included at a preset pressure and normally is fully extended until an obstruction is reached at which time the preset pressure is exceeded and the fluid operator or ram unloads and allows the coulter to raise up and clear the obstruction. Once cleared, the pressure in the ram returns the coulter to the preset depth. This coulter assists in maintaining the angle of travel of the discer, particularly on side hills, together with the pivoted rudder wheel assembly. In this invention the rudder wheel assembly is normally held against a stop at the desired angle, by a further ram or fluid opera- tor instead of a spring and which only unloads during turning to allow rudder wheel assembly to break away. The use of a ram overcomes the usual difficulties associated with springs in which little or no resistance is encountered at the begin- ning of the extension of the spring.
286975
Poggemiller Erhard
Sweet Ralph
Kep Enterprises
Sweet Manufacturing Ltd.
LandOfFree
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