Land vehicles – Wheeled – Articulated vehicle
Patent
1978-12-18
1980-08-05
Silverstrim, John P.
Land vehicles
Wheeled
Articulated vehicle
180134, 280400, 280432, B62D 1300
Patent
active
042158745
ABSTRACT:
An articulation lock is disclosed for locking the pivot connection between the front and rear frames of an articulated vehicle for operations such as maintenance and transporting. The articulation lock includes a sector-shaped locking plate mounted to the forward end of a pivot plate on the rear frame and having a plurality of arcuate recesses which establish locking positions. As the vehicle articulates, the locking plate passes between a pair of pivot plates on the front frame. A removable locking pin is stored next to the operator's seat, and the operator removes it from storage and pushes it into a lock hole in the top pivot plate of the pair of pivot plates on the front frame when it is desired to lock the articulation joint. When one of the locking plate recesses is vertically aligned with the lock hole, the pin is passed through the lock hole in the top pivot plate, then through the arcuate recess in the locking plate, and finally through a hole in the other pivot plate of the pair to lock the articulation pivot joint. The operator can lock the vehicle without leaving the operator's cab and while the vehicle is running. Further, the locking plate is shaped to aid the operator in locking and unlocking the joint, and it permits the storage position of the lock pin to be closely spaced to the lock hole.
REFERENCES:
patent: 1655351 (1928-01-01), Altgelt
patent: 2544924 (1951-03-01), Herold
patent: 3046037 (1962-07-01), Cain
patent: 3191709 (1965-06-01), Symons
patent: 3680890 (1972-08-01), Magown
J. I. Case Company
Silverstrim John P.
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