Abstract: The invention relates to a cutting-length limiting device for portable machine tools, in particular for hand-held circular saws (70), having at least one positioning unit (20). which has a fastening section (21) in the area of a fastening end for the interchangeable fastening of the positioning unit (20) to a positive guide (10), in particular to a guide rail, wherein the positioning unit (20) has a carrier (25), to which a cutting-length setting element (40) is fastened ion a movable manner. To be able to reliably make a saw cut having a predetermined cutting length in a workpiece using such a machine tool, provision is made according to the invention for the positioning unit (20) to have an initial-position limit stop (23.2) on one stop end, in particular for limiting the motion of the machine tools on the positive guide (10) in the opposite direction to a guide direction, and for the positioning unit (20) to have a kick-back stop (28) for a counter-stop of the hand-held circular saw (70).

Abstract: The invention relates to a positioning unit (20) for a hand-held circular saw (70), wherein the positioning unit (20) has a fastening section (21) for the interchangeable fastening of the positioning unit (20) to a positive guide (10), in particular to a guide rail, and wherein the positioning unit (20) has a machine-tool stop on a stop end, in particular an initial-position limit stop (23.2) and/or an end-position stop (23.1), for limiting the motion of the hand-held circular saw (70) on the positive guide (10) in the and/or opposite to a guide direction. Any workpiece processing using the hand-held circular saw in conjunction with the positive guide is then significantly simplified if provision is made for the positioning unit (20) to have an additional component interface (29), to which an additional component (60) is, preferably interchangeably, attached.

Abstract: A collection receptacle for collecting workpiece particles has a receptacle shell having an inlet port and an outlet. Moreover, the collection receptacle has a support arranged on the receptacle shell. The support is configured for supporting the receptacle shell on a guide rail and/or on a base plate of a handheld power tool. Furthermore, a handheld power tool assembly has a handheld power tool and a collection receptacle. Additionally, a particle collection assembly has a guide rail and a collection receptacle. The support of the collection receptacle is supported on the guide rail. Also a handheld power tool system has a particle collection assembly and a handheld power tool. Also, the guide rail can be used for supporting a collection receptacle.

Abstract: A connector arrangement for connecting two guide rails of a guide rail assembly for guiding a hand-held power tool, wherein the guide rails extend along longitudinal axes and can be releasably connected to each other by the connector arrangement on mutually opposite end faces, wherein the guide rails have at mutually opposite sides a contact face for the guide rails to rest on a workpiece and a guide face for guiding the hand-held power tool, wherein the guide rails have a longitudinal guide face extending parallel to their respective longitudinal axis for guiding the hand-held power tool parallel to the respective longitudinal axis, wherein the longitudinal guide face is at an angle to the guide face, wherein the connector arrangement has at least one connector element which has plug-in sections provided for inserting into plug-in receptacles on the opposite end faces of the guide rails on which there are arranged clamping devices for clamping in the relevant plug-in receptable.

Abstract: A power tool includes a power tool housing including a fluid inlet and a discharge outlet. A motor is supported by the power tool housing. A tool is configured to be moved relative to the housing by the motor. A fan is configured to be rotated by the motor, such that a fluid flow with debris generated by movement of the tool is drawn into the fluid inlet and through the discharge outlet. A filter is removably attached to the power tool housing. The filter includes a filter media configured to separate the debris from the flow of fluid. The filter media includes a collection container configured to store the debris. The filter also includes an opening in the filter media through which the flow of fluid with the debris enters the collection container, and a valve that is moveable between a closed position and an open position.

Abstract: The invention relates to an illumination module (70) for a hand-held circular saw (10) having a lamp housing (75), inside which a power supply is accommodated, to which a illumination element (71) is electrically connected, wherein the illumination element (71) is disposed to emit light in a light emission area of an end of the lamp housing (75), towards a working area of the hand-held circular saw (10), and wherein the lamp housing (75) has a fastening section (76) forming a mounting end having a contact surface (72) disposed and oriented to be detachably to be detachably mounted to a mounting surface of the hand-held circular saw (10). Such an arrangement provides the user with the option of illuminating the work area next to the hand-held circular saw depending on the user's individual requirements.

Abstract: A collection receptacle for collecting workpiece particles has a receptacle shell, an inlet port provided on a first side of the receptacle shell and an outlet provided on a second side of the receptacle shell. The receptacle shell delimits a collection volume of the collection receptacle. The inlet port is configured for receiving a mixture of air and workpiece particles. The outlet is configured for allowing air to leave the collection volume delimited by the receptacle shell. The receptacle shell has a cup-shaped base part having the first side and the second side. Moreover, the receptacle shell has a lid part movably connected to the base part. The lid part can selectively assume an open position in which the collection volume is accessible and a closed position in which the collection volume is fully enclosed by the base part and the lid part. Additionally, a handheld power tool assembly has a handheld power tool and such a collection receptacle.

Abstract: A collection receptacle (14) for collecting workpiece particles is disclosed. The collection receptacle (14) is configured for coupling to a handheld power tool. The collection receptacle (14) comprises a mechanically rigid receptacle shell (22) having an inlet port on a first side (24) of the receptacle shell (22) and an outlet (28) on a second side of the receptacle shell (30). The rigid receptacle shell (22) delimits a collection volume of the collection receptacle (14). The collection receptacle (14) additionally comprises a filter means (32) being disposed at the outlet (28) and configured to separate workpiece particles from air. Furthermore, the collection receptacle (14) comprises a filter dedusting mechanism (34) configured to remove workpiece particles from the filter means (32), wherein the filter dedusting mechanism (34) is coupled with the filter means (32). Additionally, a method for operating such a collection receptacle (14) is presented.

Abstract: The invention relates to a circular saw, in particular a miter saw or sliding compound miter saw, having a base part (10), which comprises a support (18), wherein a swivel arm (20) is connected to the support (18) so as to swivel about a swivel axis (22), wherein the swivel arm (20) bears a saw head (40), which is designed to receive a saw blade (46) on a saw-blade holder (45), wherein the saw head (40) is coupled to the swivel arm (20) for swiveling about a miter axis of a miter bearing (34), wherein a protective saw blade cover (44) is provided for receiving an area of the saw blade (46), wherein a dust removal means is provided, which is connected to the protective saw blade cover (44) by a first dust guide duct (62), and wherein the dust removal means has a second dust guide duct (70), which extends transverse to the miter axis through or past the swivel arm (20).

Abstract: The invention relates to a hand-held circular saw (10) having a saw blade holder (33), which is arranged for mounting a saw blade (30) and which can be rotated about a drive axis (34) by means of a drive assembly (20), wherein a protective cover (24) is provided, which encompasses a chip-guiding space (24.11), inside which a saw-blade-mounting area (24.12) is formed, which is disposed and designed to hold the saw blade (30) in a working position, wherein the protective cover (24) has a lateral casing (24.6), which delimits the chip-guiding space (24.11) at the end facing away from the drive assembly (20), wherein an illumination arrangement (70) having at least one illumination element (71) is provided to at least sectionally illuminate the cutting area of the hand-held circular saw (10), and wherein the illumination element (71) is disposed behind the saw-blade-mounting area (24.12) and/or the cutting area in the feed direction (V) of the hand-held circular saw (10).

Abstract: A support assembly for a guide rail for a cutting tool is described. The support assembly includes a base element with a mechanical interface which is configured for a detachable connection with the guide rail. Further, a support arm having a first end pivotably supported on the base element and a second end configured to support the support assembly on a support surface is provided. The support assembly additionally includes a locking mechanism configured to selectively lock the support arm with respect to the base element in at least two different relative pivotal positions. Furthermore, a guiding assembly for a cutting tool as well as a use of a guiding assembly is presented. Also, a use of a support assembly is described. Moreover, a method for operating a guiding assembly is explained.

Abstract: A scoring tool for a machine saw, wherein the scoring tool is designed to be rotatably driven around an axis of rotation and has a disk-shaped blade body having flat sides facing away from one another, which has, in its center penetrated by the axis of rotation, a machine adapter for releasable fastening on a scorer toolholder of the machine saw and has, on its radial outer circumference with respect to the axis of rotation, a scoring tooth arrangement for introducing a score into a first workpiece surface of a workpiece and the machine saw can introduce, by means of a saw tool, a saw cut aligned with the score from a second workpiece surface of the workpiece opposite to the first workpiece surface having a saw cut width of the saw cut less than a score width of the score into the workpiece, so that the workpiece does not tear out at the score side flanks.

Abstract: A portable handheld machine saw having a saw assembly (11) which has a saw tool receptacle (14) for a saw tool (15) and a saw drive motor (12) for driving the saw tool receptacle (14), and having a guide device (17) which has a guide body (18) having a guide surface (19) extending along a longitudinal axis (L) for guiding the handheld machine saw (10) in a working direction (AR) on a workpiece (W). The handheld machine saw (10) has a pre-scoring assembly (31), arranged in front of the saw assembly (11) on the guide device (17) in relation to the working direction (AR), having a pre-scoring tool receptacle (34) for a pre-scoring tool (35), and having a pre-scoring drive (32A), for driving the pre-scoring tool receptacle (34), wherein, on the basis of the pre-scoring tool (35) protruding in front of the guide surface (19) during pre-scoring operation of the handheld machine tool, a score (RI) can be introduced into the workpiece (W), in the working direction (AR), in front of the saw cut (SAE) to be introduced.

Abstract: A connector arrangement for connecting two guide rails of a guide rail assembly for guiding a hand-held power tool, wherein the guide rails extend along longitudinal axes and can be releasably connected to each other by the connector arrangement on mutually opposite end faces, wherein the guide rails have at mutually opposite sides a contact face for the guide rails to rest on a workpiece and a guide face for guiding the hand-held power tool, wherein the guide rails have a longitudinal guide face extending parallel to their respective longitudinal axis for guiding the hand-held power tool parallel to the respective longitudinal axis, wherein the longitudinal guide face is at an angle to the guide face, wherein the connector arrangement has at least one connector element which has plug-in sections provided for inserting into plug-in receptacles on the opposite end faces of the guide rails on which there are arranged clamping devices for clamping in the relevant plug-in receptable.

Abstract: A scoring tool (35) for a machine saw (10), wherein the scoring tool (35) is designed to be rotatably driven around an axis of rotation (DV) and has a disk-shaped blade body (310) having flat sides (311, 312) facing away from one another, which has, in its center (ZV) penetrated by the axis of rotation (DV), a machine adapter (315) for releasable fastening on a scorer toolholder (34) of the machine saw (10) and has, on its radial outer circumference (313) with respect to the axis of rotation (DV), a scoring tooth arrangement (300) for introducing a score into a first workpiece surface (WO) of a workpiece (W). The scoring tooth arrangement (300) only has a single scoring tooth (301-304) or at least two scoring teeth (301-304), which have an angular interval (WA) of at least 20° in relation to one another with respect to the axis of rotation (DV).

Abstract: A portable handheld machine saw having a saw assembly (11) which has a saw tool receptacle (14) for a saw tool (15) and a saw drive motor (12) for driving the saw tool receptacle (14), and having a guide device (17) which has a guide body (18) having a guide surface (19) extending along a longitudinal axis (L) for guiding the handheld machine saw (10) in a working direction (AR) on a workpiece (W). The handheld machine saw (10) has a pre-scoring assembly (31), arranged in front of the saw assembly (11) on the guide device (17) in relation to the working direction (AR), having a pre-scoring tool receptacle (34) for a pre-scoring tool (35), and having a pre-scoring drive (32A), for driving the pre-scoring tool receptacle (34), wherein, on the basis of the pre-scoring tool (35) protruding in front of the guide surface (19) during pre-scoring operation of the handheld machine tool, a score (RI) can be introduced into the workpiece (W), in the working direction (AR), in front of the saw cut (SAE) to be introduced.