摘要:
The invention relates to a tool receptacle for a hand power tool, in particular for a drill hammer, having a receiving opening (12) for receiving a tool shaft (14) and having a hammering bolt (16), and the tool shaft (14) and/or the hammering bolt (16) has a ready position located between an idling position and a hammering position, and having a lubricant opening (56) for delivering lubricant, which lubricant opening is fixed relative to the hammering bolt (16), and having a lubricant valve (16, 56) with a variable valve position for metering lubricant. It is proposed that the valve position of the lubricant valve (16, 56) be dependent on the ready position of the hammering bolt (16) and/or of the tool shaft (14), between the idling position and the hammering position.
摘要:
A hand power tool has a percussion bolt, a hammer barrel receiving the percussion bolt, a sealing element effecting sealing between the percussion bolt and the hammer barrel, a restraining element that retains the sealing element at a predetermined point along the hammer barrel, and a counterpart element fixing the restraining element in a longitudinal direction of the hammer barrel, wherein the restraining element is located on an outer face, toward the hammer barrel, of the sealing element.
摘要:
The invention relates to a hand-held machine tool for driving a bit which can be accommodated in a tool holder, with a rotary and/or hammer action. The machine tool includes a drive train which has a drive side associated with a drive unit and a driven side associated with the tool holder. According to the invention, the hand-held machine tool has at least one decoupling unit that is used to form a rotationally elastic coupling between the drive side and the driven side.
摘要:
The tool mount has a body (12) with means for housing a tool with grooves, whereby the body (12) is equipped with a damping mechanism (14, 16, 18, 20) with which the tool can be clamped in position in the body (12), and an operating element (24) for unclamping the tool is provided.A wear-resistant tool mount requiring low production expenses has a housing sleeve (34) for the tool. The housing sleeve is inserted in the body (12) and is made of a harder material than the body (12).
摘要:
A hand-held drill hammer has a housing, a shaft (12) connected to a drive shaft (30), and a lifting bearing (14). The lifting bearing (14) is supported and the shaft (12) for converting rotary motion into a reciprocating motion. In a first switching configuration, a percussion drive connection exists between the shaft (12) and the lifting bearing (14). In a second switching configuration, the percussion drive connection is interrupted. The lifting bearing (14) may be fixed with respect to a reference system of the housing in the second switching configuration.
摘要:
A detent disk for an overload coupling part has a detent disk body configured as a powder-metallurgy produced disk body, the detent disk body has a substantially uniform wall thickness and an inner circumference, and at least one driving device for driving in a rotary manner is provided on the inner circumference and configured as a driving pocket.
摘要:
The invention relates to a hand-held tool, in particular a hammer drill (10a, 10b), comprising a shaft (12) and a lifting control bearing (14a, 14b) which is mounted on the shaft (12a, 12b) and which is used to translate a rotational movement into a lifting movement. According to the invention, a percussion drive connection is arranged between the shaft (12) and the lifting control bearing (14) in at least one of the first switch configurations and the percussion drive connection is interrupted in at least one of the second switch configurations. The hand-held machine comprises a maintaining agent (16a, 16b) which fixes the lifting control bearing (14) to the second switch configuration.
摘要:
An electric power tool has a drive mechanism switchable back and forth among a drilling, a percusion drilling, and a chiseling mode of operation; a drive shaft performing a rotary motion; a percusion mechanism provided with a drive bearing; a serrated sleeve supported axially displaceably in the drive bearing of the percussion mechanism and transmitting a rotary motion of the drive shaft to the drive bearing of the percusion mechanism when it is in an axial position corresponding to the chiseling or percusion drilling modes of operation; and an axially displaceable serrated shaft supported in the drive bearing, so that the serrated sleeve transmits to the serrated shaft the rotary motion of the drive shaft when the serrated shaft is in axial position corresponding to the drilling or percussion drilling modes of operation.
摘要:
The present invention relates to a detent disk for an overload coupling, in particular for a machine tool. A detent disk with a shape designed using powder metallurgy is provided. An overload coupling and a method for manufacturing a detent disk are also provided.
摘要:
An electric power tool has a drive mechanism switchable back and forth among a drilling, a percusion drilling, and a chiseling mode of operation; a drive shaft performing a rotary motion; a percusion mechanism provided with a drive bearing; a serrated sleeve supported axially displaceably in the drive bearing of the percussion mechanism and transmitting a rotary motion of the drive shaft to the drive bearing of the percusion mechanism when it is in an axial position corresponding to the chiseling or percusion drilling modes of operation; and an axially displaceable serrated shaft supported in the drive bearing, so that the serrated sleeve transmits to the serrated shaft the rotary motion of the drive shaft when the serrated shaft is in axial position corresponding to the drilling or percussion drilling modes of operation.