Abstract: A demolition claw has a support, a pivot pin mounted on the support and centered on and extending along an axis, and two jaws each having a hole through which the pivot pin extends so that the jaws can pivot on the support about the axis. The jaws have adjacent the respective holes confronting flat faces. An arcuate formation fixed on one of the faces adjacent the respective hole projects axially therefrom toward the other of the faces and is generally centered on the axis. A retaining formation fixed on the other of the faces adjacent the respective hole projects axially therefrom toward the one face, is radially offset from the arcuate formation, axially overlaps the arcuate formation, and surrounds the arcuate formation. Structure is provided on one of the jaws for preventing axial separation of the jaws.

Abstract: A demolition claw has a pair of jaws, one of which is pivotal relative to the other about an axis between an inner position with inner faces of the jaws closely confronting each other and outer positions with the inner faces spread apart. The one jaw has a tip directed away from the axis. A wear shoe fittable to the inner face of the one jaw is formed with a recess open toward the axis and fitting over the tip of the one jaw. A fastener subassembly releasably fixes the shoe to the inner face of the one jaw with the tip fitted in the recess such that the shoe cannot move relative to the one jaw.

Abstract: A demolition claw has a support, a pivot pin mounted on the support and centered on and extending along an axis, and two jaws each having a hole through which the pivot pin extends so that the jaws can pivot on the support about the axis. The jaws have adjacent the respective holes confronting flat faces. An arcuate formation fixed on one of the faces adjacent the respective hole projects axially therefrom toward the other of the faces and is generally centered on the axis. A retaining formation fixed on the other of the faces adjacent the respective hole projects axially therefrom toward the one face, is radially offset from the arcuate formation, axially overlaps the arcuate formation, and surrounds the arcuate formation. Structure is provided on one of the jaws for preventing axial separation of the jaws.

Abstract: The invention relates to scrap shears (1) comprising several jaw arms (2a, 2b, 3), which can execute a pivoting motion in relation to one another in a closing or opening direction of the scrap shears. At least one jaw arm is equipped with a counter-bearing element (12) on the end section lying opposite the mounting (4), said element being displaced, (at least temporarily), in relation to the jaw arm carrying said element between a working position and a reduced friction position. The counter-bearing (12) is configured in such a way that the distance between its external surface (12b), which faces away from the carrying jaw arm and the mating surface (3b) of the neighbouring jaw arm (3), which faces towards said external surface, increases with the relative displacement of the counter-bearing element towards the reduced friction position.