| 摘要 |
A hitch assembly including a triangular flat portion mounted on the base plate of a guidable member for connecting an arm to the triangular flat portion and to a housing mounted above a plate on which is mounted a tube section having a reinforcing plate that is connected to a locking member which automatically closes on a locking pin being mounted to a coupler head by a tension spring that applies a pressure against a block being engaged on a threaded bolt with eye mounted inside the tube section, and which for disengaging the locking member from the locking pin one pulls backwards an attachment cord connected with the eye of the threaded bolt. A tube section mounted underneath the coupler head allows to receive each spring blade being held together by an attachment member. A spring blade includes a part member for enabling to apply a pressure against a squared plate portion mounted underneath each tow bar connected to the coupler head for raising the tow bars of the agricultural implement.
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