(under subclass 452) Apparatus having means operative between the supporting frame and the earth working element for holding the earth working element in one position relative to the frame and in which the holding means is spaced from and forms no part of the lifting actuator or linkage.
SEE OR SEARCH THIS CLASS, SUBCLASS:
228, for separate tools alternating for right or left hand operation which may be simultaneously raised and held in raised position by separate latches.
466, for a tool which is lifted for transport by a servomotor and which is held raised by means independent of the servomotor.
472, for simultaneously raised plural tools which may be individually lowered, as by releasing a latch means.
683, for tools which are latched in an earth working position, there being no lift actuator for the tool.
