Tooth to grab bucket for backhoe or loader excavators hydraulic, loaders or the like

摘要

The tooth is located at the front of a grab, shovel or similar on a hydraulic excavator or loader. A truncated pyramidal support spike, forming the tooth neck, is joined to the strengthened front edge. A tooth crown, with complementary recess, is set on this, and locked by a wedge, tongue or securing bolt. The front or rear of the spike (3), and the fitting side of the crown's (4) recess, are curved about an axis (7) above the inner tooth flank facing the main load direction. The crown sides have extending shanks (14), curved inward in a hook shape, locking behind counter-curved lateral lugs (20) on the spike. The interlocking faces of the crown and spike are similarly curved. The securing bolt (5) passes through the shanks and spike, in a transverse hole.