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US 4,068,959 AGranted
Coupler apparatus
OwnerBruce W. Pembertoninventor
Life of this patent
Estimating the term…
Abstract
A quick-hitch type coupler for front end loaders, and the like, for attaching various attachments to the front end loader without having to leave the vehicle. The lift mechanism of a front end loader has a coupler connecting and locking portion attached thereto, and each attachment for the loader has pairs of coupling brackets attached thereto, so that the front end loader lifting mechanism can be coupled or uncoupled from the attachment, and locked to it by the actuating of a single cylinder.
Claims10
A coupling mechanism for front end loaders and the like, comprising in combination:
- vehicle attaching portion having a frame, and a pair of fixed attachment engaging members said frame having two side frame members, each having at least one slot therein connected together by a transverse member and being movably connected to said frame;
- a pair of movable locking members movably connected to said frame, each movable locking member extending through a slot in one side frame member for sliding therein;
- a fluid cylinder connected between said frame and said movable locking members for moving said movable locking members from a first unlocked position to a second locked position;
- attachment connecting portion, having a pair of upper brackets connectable to an attachment for a vehicle, and shaped to receive said fixed attachment engaging members of said vehicle attachable portion;
- a pair of lower brackets connectable to an attachment for a vehicle and shaped to receive said movable locking members for locking said attachment to said vehicle upon actuation of said movable locking members when said attachment is supported by said fixed, attachment engaging members in said upper brackets;
- at least one guide member connected to said movable locking member transverse member;
- and
- at least one track attached to said frame and positioned to guide one said guide member for guiding the movement of said movable locking members in said slots in said side frame members.
5 more elements
Dependencies are inferred from the claim text.