Abstract: A hand saw comprising a handle for actuating the hand saw and a saw blade connected to the handle and provided with a toothed cutting edge, the handle comprising a handle grip clasped by the hand of the user to impart an actuating force to the handle, and the handle grip defining a force entry direction in which the actuating force is introduced into the saw blade, wherein when the hand saw is pushed the force entry direction intersects the cutting edge of the saw blade in the region of a first quarter length of the cutting edge near to the handle or in the region of an imaginary elongation of the cutting edge into the handle.

Abstract: In a drilling tool, in particular a spiral drill, in particular for drilling rock, comprising a tool-side fastening end, a workpiece-side cutting end and an interposed cutting part comprising at least one main helical groove extending along the cutting part, which is defined by a substantially constant helix pitch, and at least one partially cylindrical and/or partially conical helix web outer face extending along the cutting part, defined by at least one main helical groove, it is provided that a plurality of groove sections are formed in the helix web outer face, which extend transversely to the direction of the pitch of the main helical groove.

Abstract: A clamping and/or spreading tool comprises a drive for displacement of a push or pull rod to which a movable jaw is fixed with respect to a support carrying a stationary jaw in longitudinal direction of the push and pull rod, said drive comprising a torsion spring and being adapted to enter torque transmitting engagement with the push or pull rod for displacement of the same.

Abstract: The invention relates to a clamping and/or bracing tool comprising a connecting or tie rod (7) to which a mobile jaw (13) is fixed, a fixed jaw (5), a transmission mechanism which can be used to move the mobile jaw (13) towards or away from the fixed jaw (5) by moving the connecting or tie rod (7) in a clamping or bracing direction (5), and to apply clamping and/or bracing forces between the jaws (5,13), and a blocking element which is used to block a movement of the connecting or tie rod (7) in an opening direction (O) opposing the clamping or bracing direction (5), in order to maintain clamping and/or bracing forces produced between the jaws (5,13).

Abstract: A clamping and/or spreading tool comprises a drive for displacement of a push or pull rod to which a movable jaw is fixed with respect to a support carrying a stationary jaw in longitudinal direction of the push and pull rod, said drive comprising a torsion spring and being adapted to enter torque transmitting engagement with the push or pull rod for displacement of the same.

Abstract: The invention relates to a stepping gear for a clamping and/or spreading tool having a stationary jaw and a support to which said stationary jaw is fixedly connected and on which a push or pull rod is slideably supported, a movable jaw being fixedly arranged on the push or pull rod, wherein said stepping gear is designed to displace said push or pull rod together with said movable jaw relative to said fixed jaw in an advance direction step-by-step with at least two different stepping sizes and comprises at least one operating arm operateable with at least two lever configurations defined by at least two active levers on said operating arm, wherein a mechanism for switching from a first lever configuration to a second lever configuration is provided and upon an activation of the switching means, particularly in a predefined operating condition, the respective active lever can be activated directly instantaneously.

Abstract: A saw blade comprising a series of teeth at a longitudinal edge thereof, arranged in alternate directions and formed in a tooth shape as defined by a first flank angle, a second flank angle, and a rake angle, is characterized in that the first flank angle lies between approximately 50.0° to 54.0°, the second flank angle lies between approximately 14.0° to 16.0°, and the rake angle lies between approximately 11.0° to 14.0°.

Abstract: A lockable differential gear having an integral differential gear housing (1). The differential gear housing (1) has a plurality of apertures (8) located opposite one another. A number of the internal parts of the differential gear are mounted, during installation, within the differential gear housing (1) by passing through one of the plurality of apertures (8) during the assembly process. The plurality of apertures (8) generally remain open following the assembly process.

Abstract: A saw blade, especially for a handsaw, along the longitudinal edge of which a series of saw teeth is formed which has a geometric saw-tooth base line extending along the saw blade and is divided by at least one tooth gap, preferably a plurality of tooth gaps, into sections of the series comprising a plurality, especially more than two saw teeth, a free space of recessed saw blade material in the area of a tooth gap and extending beyond the saw-tooth base line into the saw blade being provided with an undercut.

Abstract: It is provided that a saw blade comprising a series of teeth at a longitudinal edge thereof, wrenched in alternate directions and formed in KV tooth shape as defined by a first flank angle, a second flank angle, and a rake angle, is characterized in that the first flank angle lies between approximately 50.0° to 54.0°, the second flank angle lies between approximately 14.0° to 16.0°, and the rake angle lies between approximately 11.0° to 14.0°.

Abstract: A saw blade for rectilinear cutting motion, especially of a manually operated saw, comprising, at one longitudinal edge, at least a first section of a series of teeth formed at least at an end of the saw blade, and a second section of a series of teeth formed essentially in the middle of the saw blade, the tooth geometry, tooth configuration, tooth dimension, and/or the like of the first section of the tooth series differing from the tooth geometry, tooth configuration, tooth dimension, and/or the like of the second section of the tooth series in such a way that the cutting volume of a fixed number of teeth of the first section of the tooth series is smaller than the cutting volume of the same number of teeth of the second section of the tooth series.

Abstract: A lockable differential gear has one integral differential gear housing (1) which contains apertures (8) opposite to each other by way of which the inner parts of the differential gear can be mounted.