Thayer Earl CUSUS2769646 1953年1月26日 1956年11月6日 J. I. Case Company Tractor implement hitch having a positive locking latchUS2769646 1953年1月26日 1956年11月6日 Case Co J I Tractor implement hitch having a positive locking latch...
Tractor implement hitch having a positive locking latch In the early 1980s locking plate technology was introduced in maxillofacial surgery and since then it has been relayed in trauma and orthopaedics. More rec... GL Omon,EC Thayer - US 被引量: 11发表: 1956年 HITCH BALL WITH LOCKING BAIL ...
Power lift links 11, 12, 13 support an inverted V-shaped frame 14 provided with a plate 17 at its apex, and a further frame 21 mounted on an implement or load is connected to the tractor by resting the frame 21 over the frame 14 and within the notch 22. The frames are locked ...
pin, however, can only be inserted by an operator standing next to the hitch and not from any position on the tractor. Likewise, to remove this pin requires the tractor operator to be next to the hitch frame. Thus, this locking function cannot be achieved either automatically or from the ...
on a locking pin being mounted to a coupler head by means of 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 ...
The lock comprises a pivoted lever (8, 9) which forms part of the upper fixing point (5) of a tractor three-point draw bar (3). The agricultural implement is fixed by a vertical pivot (6) which allows sideways movements. To prevent swing during transportation, a plate (12) is welded...
The lock comprises a pivoted lever (8, 9) which forms part of the upper fixing point (5) of a tractor three-point draw bar (3). The agricultural implement is fixed by a vertical pivot (6) which allows sideways movements. To prevent swing during transportation, a plate (12) is welded...
7 (not shown) is connected to the implement inverted V frame by slotted spaced plates (77) and a pin (78), and plates (79) provided with vertically spaced holes and pins (81) are provided to height adjustably connect the V frame with the plough frame. The power lift links comprise ...
OF THE DISCLOSUREThere is disclosed a locking device for a draw pin in a trailer hitch of the type comprising spaced upper and lower plates, each being perforated to receive a draw pin with a drawbar of a tractor or trailer held by the draw pin in engagement with the hitch. A first el...
Thayer Earl CUS2769646 1953年1月26日 1956年11月6日 J. I. Case Company Tractor implement hitch having a positive locking latchUS2769646 1953年1月26日 1956年11月6日 Case Co J I Tractor implement hitch having a positive locking latch