E - Fixed Constructions – 02 – F
Patent
E - Fixed Constructions
02
F
294/39
E02F 9/28 (2006.01)
Patent
CA 1247169
ABSTRACT OF THE DISCLOSURE This invention refers to a locking device for a wear-parts system for earth moving machines. The locking device consists of a rigid lock bolt connected to a lock catch which is intended to prevent the lock bolt falling out after it has been fitted in the lock opening for this purpose where it prevents the different parts of the wear-part from moving relative to each other. According to this invention the lock catch is designed so that it can be easily fitted in position together with the lock bolt and there provide the best possible locking action. On the other hand no regard has been paid to the lock catch being able to be loosened from the outside in order to remove the lock bolt. Instead a breaking point has been provided along the fixation of the lock catch in the lock bolt. The breaking point makes it possible by means of subjecting the lock bolt to forces e.g., from blows with a heavy hammer, in the longitudinal direction of the lock bolt to load the connection between the lock bolt and the lock catch until it shears. The latter remains in the lock opening when the lock bolt is forced out of the opening.
464587
Ab Bofors Wear Parts
Fetherstonhaugh & Co.
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