Abstract: The present invention provides a flight assembly for use on a scraper having an elevator. The flight assembly includes a lateral support member having a wear plate attached thereon. A wear cap is provided on each end of the lateral support member. The wear plates and wear caps are preferably bolted to the support member.

Abstract: The present invention provides a flight assembly for use on a scraper having an elevator. The flight assembly includes a lateral support member having a wear plate attached thereon. A wear cap is provided on each end of the lateral support member. The wear plates and wear caps are preferably bolted to the support member.

Abstract: An elongated steel cutting edge has an insert receiving slot formed therein extending from one end to the other. A plurality of carbide inserts of a generally rectangular solid configuration have a front face, a rear face and four sides. A plurality of upstanding protuberances are formed on and extend beyond the rear face of the inserts. The inserts are located within the slot in closely spaced side by side relationship and with the protuberances located against one of the sides of said slot. The front and rear faces of the cutting edge are brought together along the slot to cause a mechanical interlock between the protuberances of the insert and the cutting edge.

Abstract: Teeth are normally mounted to the cutting edge of a bucket to aid in the penetration of the material being worked. Furthermore, hard material has been applied to selected surfaces of the teeth to increase their wear life. It is advantageous to strategically size and position the application of hard material to the tooth in order to increase wear life and to simultaneously enhance the ability of the tooth to remain sharp for better penetration during the useful life of the tooth. In the subject arrangement, a first portion of hard material having a predetermined width and length is applied to a bottom surface of a tooth and a second portion of hard material having a predetermined width less than the width of the first portion of hard material is applied to a top surface of the tooth. The first and second portions of hard material are applied extending from adjacent a transverse forward edge in a longitudinal direction.

Abstract: The push frame (12) of a tractor-scraper (10) normally has a plurality of cover plates (14) relasably secured therebelow to provide access internally of the push frame. In standard practice, the cover plates are secured to the push frame by a plurality of bolts and the heads of the bolts are subjected to wear and possible breaking-off due to their exposure upon operation of the tractor-scraper. This invention provides a mounting assembly (13) for expeditiously removing and replacing the cover plates upon wearing or breaking-off of the heads (19) of bolts (18) thereof by providing an internally and externally threaded bushing (24) which is threadably connected on the push frame and is further threadably connected to each bolt. Thus, a workman need only engage the bushing with a socket wrench or the like to release the bolt and thus the cover plate upon wearing or breaking-off of the heads of the bolts.

Abstract: An end bit for selective and adjustable mounting to an earthmoving vehicle structure, such as a bulldozer blade, having opposite corner portions. The bit includes transversely extending cutting edge portions and a mounting portion adapted to be selectively mounted to either of the opposite corners of the blade with one or the other of the cutting edges exposed in cutting position and with the nonexposed cutting edge disposed in a retracted position. The mounting portion is further adapted to permit the bit to be selectively repositioned on either blade corner portion in any one of a plurality of different extended positions to compensate for wear of the exposed cutting edge.

Abstract: A reversible bit for selective mounting to an earth-moving blade, such as a bulldozer blade, having opposite corner portions. The bit includes transversely extending cutting edge portions and a mounting portion adapted to be selectively mounted to opposite corners of the blade with one or the other of the cutting edge portions suitably disposed in cutting position whereby the bit provides substantially twice the normal life of the conventional blade bit.