Patent ID: 7690136

Claim:
Tooth system for use in an earthmoving device, comprising: a tooth ( 1 ); and an adapter ( 2 ), the tooth ( 1 ) mounted in a detachable fashion on the adapter ( 2 ), said adapter ( 2 ) comprising at least one zone which faces a correspondingly shaped zone of the tooth ( 1 ), said tooth ( 1 ) comprising i) a longitudinally extending tooth web ( 6 ), ii) a longitudinally extending tooth base ( 4 ), and iii) a longitudinally extending tooth head ( 15 ) at a distance from the tooth base ( 4 ), said tooth base and tooth head ( 15 ) also extending transversely with respect to the web ( 6 ), said adapter ( 2 ) comprising i) an adapter base ( 7 ) for fixing onto an earthmoving device, and ii) an adapter head ( 29 ), a longitudinally extending undercut cavity ( 10 ) being defined between the adapter base ( 7 ) and the adapter head ( 29 ), wherein, the tooth base ( 4 ) is slidably fitted within the undercut cavity ( 10 ), the adapter head ( 29 ) is slidably fitted between the tooth base ( 4 ) and the tooth head ( 15 ) for mounting or dismounting the tooth ( 1 ) with respect to a front end ( 13 ) of the adapter ( 2 ), wherein, at least one pair of correspondingly shaped facing zones of the adapter ( 2 ) and the tooth ( 1 ) comprises a stepped configuration, the adapter head ( 29 ) comprises opposite lateral adapter flanges ( 9 ), the opposite lateral adapter flanges delimit the undercut cavity ( 10 ), the opposite lateral adapter flanges ( 9 ) have facing edges enclosing a slit ( 11 ), the web ( 6 ) extends through the slit ( 11 ), and the tooth head ( 15 ) faces the adapter flanges ( 9 ).