Abstract: The present invention relates to a windshield wiper cutter for removing a portion of a blade of a windshield wiper. The windshield wiper cutter allows the user to manually engage a windshield wiper cutter along a linear path and across at least one cutter to remove a portion of the blade of a windshield wiper. In doing so, an old, uneven or damaged blade can be repurposed for future use by removing only the old, uneven or damaged portions of the blade and leaving the remaining portions of the blade intact. In the process of removing only a specific portion of the blade, the inside of the blade is now exposed and a new edge is formed. The new edge comprising a previously unused portion of the blade that effectively disperses debris and water from the windshield of a vehicle.

Abstract: A method comprises the steps of providing a tool over a collar secured to a stud on a gas turbine engine system. The collet is driven to rotate and remove the collar from the stud. A tool for removing collars from studs has a driver with a housing receiving a piston. A spring drives the piston, and the housing also has a hydraulic fluid supply opening for selectively receiving a hydraulic fluid to move the piston in opposition to a force from the spring. Collet fingers are movable between a released position and a secured position when a supply of hydraulic fluid is supplied into the housing.

Abstract: Apparatus is disclosed for attaching to a lockbolt via a swaged-mounted collar. The apparatus includes an element which permits relative movement between a cutting blade and an opposing surface so that the collar is held centrally within the apparatus during cutting.

Abstract: A motorized multi-function tool including a handle assembly, a cover assembly, a rod assembly and an interchangeable tool assembly is disclosed. The handle assembly includes a handle that allows a user to operate the motorized multi-function tool. Within the handle is a battery to power a motor located in the cover assembly. The handle assembly and the cover assembly have the rod assembly therebetween connecting them to one another. The rod assembly includes a shaft which allows the user to set the motorized multi-function tool at different lengths to accomplish distinct tasks. Importantly, the cover assembly has the interchange tool assembly which allow for changing of tool heads for different functions to accomplish different tasks. The different tool heads may be used for manual labor work or for health and beauty purposes as well.

Abstract: An ultrasonic surgical instrument is disclosed including an ultrasonic transducer, an ultrasonic end effector comprising a proximal end formed of a first material having a first coefficient of thermal expansion, and a waveguide configured to transmit ultrasonic energy generated by the ultrasonic transducer to the ultrasonic end effector. The waveguide includes an attachment portion formed of a second material having a second coefficient of thermal expansion that is greater than the first coefficient of thermal expansion. The attachment portion is configured to be selectively expandable into an acoustically coupled retaining engagement with the ultrasonic end effector by expanding faster than the proximal end of the ultrasonic end effector when heat is applied to establish an interference fit therebetween.

Abstract: A polymeric surgical ligating clip is provided having curved leg members joined by a resilient hinge. A leg member includes a flexible rib protruding from a vessel clamping inner surface and extends longitudinally between the proximal and distal end portions of the leg member. The flexible rib defines a channel extending transversely through the rib along a majority of said length. The flexible rib can collapse and provides better retention of the clip on a vessel. The clip can contain a flexible rib on both legs in an interlocking fashion. Or a plurality of teeth can protrude from a second vessel clamping inner surface of a second leg member. The plurality of teeth can include first and second rows of teeth extending longitudinally on the second leg member, transversely separated from each other on opposite sides of a centerline of the clip.

Abstract: A jigsaw includes a housing having a body portion and a handle portion. The body portion has a forward end and a rearward end. The jigsaw also includes a motor positioned within the body portion of the housing. The motor is located forward of the handle portion. The jigsaw further includes a drive mechanism positioned within the body portion of the housing. The drive mechanism is coupled to the motor for driving a saw blade in a reciprocating motion. The jigsaw also includes a shoe assembly coupled to the body portion of the housing between the forward end and the rearward end.

Abstract: A method and device of stripping of wrapping material including a tool having a first tool portion, a second tool portion, and a third tool portion comprising ends and a casing on substantially cylindrical rolls of paper and the like, in which the end of the wrapping material is opened by engagement by means of a first tool portion from some position on the end surface for processing the end wrapping material by cutting, slicing, and/or sawing of the end wrapping material in a direction out towards the periphery of the end where the end connects to the casing, the end being separated from the casing by means of the first tool portion or a second tool portion by cutting, slicing, sawing during rotation of the roll and/or displacement of the first tool portion or the second tool portion around the periphery of the end.

Abstract: A device for cutting balls from foodstuff and comprising: a cutting ring; a bracket rotatably holding the cutting ring and arranged for being pushed into foodstuff with the cutting ring; and a shaft to which the cutting ring is attached and carrying a handle.

Abstract: An oscillatory power tool comprising: an output shaft for mounting a cutting tool and driving the cutting tool in an oscillating rotary motion; a fastener for fastening the cutting tool to the output shaft; the cutting tool comprising a securing section being capable of connecting with the output shaft; a driving section disposed on the free end of the output shaft for engaging with the securing section of the cutting tool; the driving section having a friction surface for contacting a surface of the securing section. Through close fit between the friction surface and the upper surface of the securing section, the oscillatory power tool can be connected with different types of cutting tools, thus greatly improving the universality and convenience of the oscillatory power tool.

Abstract: There is disclosed a tool (5) comprising a cam track (A) and cam follower means (B), wherein a width (WA) of at least a portion of the cam track (A) is greater than a width (WB) of the cam follower means (B). The cam follower means (B) is engaged within the cam track (A), the cam follower means (B) being adapted to run in/around the cam track (A) and be thrown between opposing walls (D, E) of the cam track (A). In use, the cam follower means (B) therefore has two degrees of motion, a first defined by the cam track (A), and a second defined by ricochet between opposing walls (D, E).

Abstract: Garden shears has a pair of overlapped engaging members, an anvil, a blade plate and two operating arms. The engaging member has a plurality of positioning apertures, at least two pivoting apertures, and a containment space. The engaging member has two parallel protruding strips which form a guiding track in between. The blade plate has a positioning slot, a blade and an extending portion. A plurality of driving teeth are formed at two sides of the extending portion. A limiting member is respectively mounted onto both sides of the extending portion and slidably engages with the guiding track of the engaging member. The operating arm has a connecting aperture at one end, and a driving portion adjacent to the connecting aperture. An arced section with the driving portion is provided with corresponding teeth, and another of the operating arm is provided with a handle.

Abstract: A culinary tool is provided including a handle and a housing that pivot relative to one another during a forward stroke of the handle to incrementally move, and optionally ratchet, a ram within the housing toward a cutting grid, thereby extruding food through the cutting grid. A cutting blade, joined with the handle distal from the pivot, travels along a blade path near the cutting grid to mince the extruded food. The blade can be joined with the handle at a cantilevered connection, and can be flexible so that as it moves along the blade path, a portion of the blade flexes to allow the blade to cut the extruded food material without binding as the blade moves across the cutting grid. The blade can include one or more sledded feet that project outwardly from the blade and that guide the blade near the cutting grid in a non-binding manner.

Abstract: A cutting tool and method of operating cutting tool. The tool includes a support having a first side and a second side. The tool further includes a handle coupled to at least one of the first side and the second side. The handle includes a blade, wherein the handle is configured to move the blade between a first position and a second position. An alignment guide is coupled to the support. The alignment guide includes a channel configured to receive the blade positioned in the second position.

Abstract: An open-close work implement is provided which an operator does not need to operate carefully while adjusting closing force applied to an open-close operation part by delicately increasing or reducing the closing force, wherein an object can be easily held without being damaged by an extremely simple operation of merely gripping or squeezing the open-close operation part (5) with the fingertips. In the open-close work implement, a first half member (1) and a second half member (2) are intersected and pivotally fitted together, an open-close working part (4) is provided to the distal end, and an open-close operation part (5) is provided to the proximal end. The open-close work implement is configured so that when increasing closing force is applied to the open-close operation part (5), the open-close operation part 5 flexes and a contact part (7) and a receiving part (6) come in contact.

Abstract: Disclosed is a tool (5) comprising a cam track (A) and cam follower (B), wherein the cam track (A) comprises a first cam track wall (15) and the cam follower (B) comprises a first cam follower wall (15), and the first cam track wall (10) and first cam follower wall (15) face one another. The cam track (A) further comprises a second cam track wall (30) and the cam follower (B) comprise a second cam follower wall (35), and the second cam track wall (30) and second cam follower wall (35) face one another. The first and second cam track wall (10, 30) are disposed so as to face one another. The first and second cam follower wall are disposed so as to oppose one another, e.g. back to back. The first/second cam track wall (10, 30) comprise a first/second cam track wave (20, 40). The second cam follower wall (15, 35) comprise a first/second cam follower wave (25, 45).

Abstract: A Hedge Trimmer Extension Adaptor is disclosed. A device for adapting a standard hedge trimmer (electric, battery or gas powered) so that the operator can reach and trim hedges that are normally beyond the operator's reach either vertically, horizontally or both, without resorting to ascending a ladder or other unsafe efforts. The tool consists of four parts. The hedge trimmer is a commercially available electric hedge trimmer. The switch assembly, the support pole assembly, and the upper tray adaptor are the other three parts. The support pole assembly is screwed into the “Hedge Trimmer Extension Adaptor” system and is the handle the operator holds onto. The switch assembly snaps onto the support pole assembly and is used to control the hedge trimmer. This product is very novel because of the simplicity of the design and the snap together construction. The design incorporates a significant amount of adjustability and features and it is only composed of two major parts.

Abstract: A scalpel device has a metal shank having a blade carrier configured holding a scalpel blade. A sheath is configured for receiving the scalpel shank. The shank is rigidly coupled to the sheath. A retractable blade guard is movably coupled to the sheath. The blade guard is movable between retracted and extended positions wherein the scalpel blade is selectively covered or exposed.

Abstract: An apparatus is provided that includes a light-emitting component, a light-detecting component, a lock-in amplifier, a frequency generator that is operatively linked to the lock-in amplifier and the light-emitting component, a speaker capable of emitting an audio signal wherein the output audio signal varies depending on the detected fluorescence in the sample, and a visible output of relative fluorescent intensity where the visible output varies depending on the detected fluorescence in the sample. The apparatus may also include a laser that is operatively coupled to the lock-in amplifier through a control switch, and focusing lens or an additional type of filter such as an interference filter, a short-pass filter, a notch filter, a long-pass filter or an infrared filter. The apparatus may be used to identify and/or to remove fluorescent or non-fluorescent material from a sample. Associated methods are also disclosed.

Abstract: A hand tool having a reciprocally driving mechanism includes a driver, a body and a blade assembly. The driver has a driving shaft and a trigger. The driving shaft is controlled by the trigger and has a gear portion. The body has a driving gear having a teeth portion disposed on a top of the driving gear for engaging the gear portion. The driving gear has a stub eccentrically disposed on a bottom of the driving gear for driving a driving unit to move and to relatively drive a driven rod. The driven rod is connected with the blade assembly. The driving shaft is able to drive the blade assembly to reciprocally move for providing a higher torsion, a higher driving force, and a higher cutting speed, such that the hand tool is suitable for cutting a thicker workpiece.

Abstract: A motor driven tool such as a pole hedge trimmer, a pole saw or the like includes a drive unit (11) that via a shaft tube (12) enclosing a drive shaft and being provided with a handle (16), is connected to a cutting unit (13) which is turnably secured to the shaft tube. The turnable connection is under the influence of a locking mechanism (L) which from the normal working position of the operator can be released by means of a control means (M) arranged at a distance from the locking mechanism (L) and close to the handle (16).

Abstract: A portable working machine comprising: an engine; a frame which holds the engine; front handle and a rear handle which are provided to the frame; and a power conversion unit for transmitting an output from the engine to drive a working tool, wherein the engine, the power conversion unit and the working tool being held by the frame via an elastic member, and wherein the front handle and the elastic member are disposed so that an axis passing through a center of an attachment portion of the front handle and an axis passing through a center of an attachment portion of the elastic member substantially coincide with each other.

Abstract: The inventive concept is directed to a circular cutting device, especially designed or used in cutting circular wafer in an ostomy application. The device consists of a handle having at one end thereof a circular backup plate. On top of the backup plate is located a plastic cutting receiving plate. The circular backup plate has at its center a threaded rod to receive a circular cup thereon. The cup has at its lower circular edge a razor-like cutting edge which will cut a perfect wafer when screwed down onto the plastic cutting receiving plate by way of the threaded rod.

Abstract: Apparatus and methods for cutting a material, especially with low material speed and high cutting torque. In some embodiments, the apparatus is a hand-held device for quietly cutting through an orthopedic cast with little or no generation of debris. In yet other embodiments, there is a method for automatically advancing material past a shearing surface, such that the shearing action occurs at about the same velocity as the advancement. In yet other embodiments, there is a device for cutting material between a foot and a sharp edge, with the bottom of the foot being under the sharp edge to protect the skin of the patient.

Abstract: The invention concerns a shearing or gripping tool which comprises a body with a proximal end and a distal end and defining an internal chamber for a drive piston for actuating the shearing or gripping tool which move between an idle and active position in answer to the movements of the piston between the retracted and forward positions. Sensitive elements to detect at least the forward position of the piston in its respective chamber and in the same way the active position of the shearing or gripping tools in order to signal the effective fulfilment of their action, are associated with the proximal part of the body.

Abstract: Embodiments of the invention described herein pertain to a pneumatically powered shingle removing apparatus. The shingle removing apparatus includes a frame having a first end and a second end. A first pneumatic cylinder assembly is mounted adjacent the first end of the frame and a second pneumatic cylinder assembly is mounted adjacent the second end of the frame. The first pneumatic cylinder and the second pneumatic cylinder extend substantially parallel from the frame and each have a chisel extending at least partially from the respective first pneumatic cylinder assembly and the second pneumatic cylinder assembly, the chisels being moveable back and forth from a forward position. A stripping blade is attached to a front end of the chisels of the first pneumatic cylinder assembly and the second pneumatic cylinder assembly. A first air conduit delivers pressurized air to the first pneumatic cylinder assembly and a second air conduit delivers pressurized air to the second pneumatic cylinder assembly.

Abstract: A power tool for trimming soft materials has a power driver with a drive train engaged with a cylindrical cutter body wherein the power driver rotates the cutter body about its longitudinal axis. A plurality of mutually spaced apart cutter teeth are fixed to an exterior surface of the cutter body. The cutter teeth each have a top surface and a sidewall surface, the sidewall surface extensive between the top surface and an exterior surface of the cutter body. The top surface of each of the cutter teeth is a four-sided convex polygon and the sidewall surface includes four mutually discrete surfaces corresponding to the sides of the polygon, with each of said discrete surfaces extending between the top surface and the cutter body.

Abstract: The invention relates to pruning shears comprising a cutting head (12) with a spring-loaded blade (18) acting in cooperation with a counter blade (20), a drive mechanism (16) connected to the cutting head (12), and an elongated handle (14) connected to the drive mechanism (16). The drive mechanism comprises a first and a second counterpart (32, 34), optionally rotating with respect to one another about an axis (36), allowing the cutting head (12) to be adjusted with respect to the elongated handle (14), and an upper line arrangement allowing the blade (18) to be turned about a hinge point (19) and the cutting head to be adjusted in such a manner that the blade (18) does not rotate about the hinge point (19).

Abstract: A cutting tool adapter that, in the preferred embodiment, removably attaches to a rotary power tool, such as die grinder or the like, to convert the rotary power tool into a cutting tool for cutting asphalt composition shingles, linoleum flooring, carpet, drywall and other work materials. In a preferred embodiment, the cutting tool adapter comprises an adapter body, a blade support integral with the adapter body, a cutting blade removably attached to the blade support and a vibrating mechanism disposed inside a chamber of the adapter body and rotatably connected to a rotating assembly of the power tool to rotate therewith and vibrate the cutting blade. In a preferred embodiment, the vibrating mechanism comprises an elongated shaft having one or more eccentric weights attached thereto and disposed above the cutting blade. One or more bearings attached to the shaft can be used to rotatably support the shaft inside the chamber.

Abstract: A precision shear is provided which allows the removal of material from a machined part. The shear provides a precision cut, and may be operated by hand or attached to a machine.

Abstract: A hand-held tool. The tool comprises an interchangeable blade or blades located at an end of an L-shaped frame. The frame has a first portion and a second portion, the first portion attached at its end to the second portion in perpendicular fashion. The blade is located at an end of the second portion and has a working edge, which may be sharp, rough, serrated, or otherwise adapted for an application. A motor supported inside the frame provides reciprocal motion to the blade, the motion in a direction parallel to a length of the first portion of the L-shaped frame.

Abstract: The submission is an electrically powered, self-operated, hands-free, fingernail clipper for persons having neither the strength nor the flexibility to use a conventional leaf-spring type nail clipper. The unit is mounted in a PVC housing, with an aluminum cover, and consists of an electric, 3 RPM Hi-Torque motor, mounted on the side of a chassis strut, with a direct shaft drive to a Tri-Lobe cam that depresses the activating lever of a pair of conventional, leaf-spring type nail clippers. The motor is activated by a rocker switch, applying power through a cable plugged into normal house current (115-120V).

Abstract: [Object] To provide a tape cutter device that allows a cutting blade to be disposed at a non-adhesion-surface side of an adhesive tape and that can easily form a fold, including a non-adhesion portion, at a cut end portion of the adhesive tape after a cutting operation.

Abstract: A hinged foliage cutter adapted for use against a surface of a screen enclosure includes a cutting head with a substantially flat top side to maintain contact with the screen during use. A handle is hingedly attached to a distal end of the cutting head. A cutting blade and comb assembly are attached to a proximal end of the cutting head. The comb assembly includes a plurality of comb teeth abutting the cutting blade and extending beyond the tip of the cutting blade by a determined length. The distal end of the handle is configured for releasable attachment to an extension pole to facilitate reaching the interior side of a screen roof of a screen enclosure. As the cutting head is moved along the surface of the screen, protruding foliage within the path of movement is directed by the comb into the cutting blade, which severs the foliage.

Abstract: An improved head for a flexible line trimmer apparatus is provided. The improved head includes a metal tubing that extends through the head and surrounds a cutting line of selected length. The tubing is provided with a flared exit portal increasing the efficiency of the head. The contact surface eliminates the possibility of the cutting line fusing to plastic surfaces due to heating caused by friction. The head is surrounded with an interior perimeter counterweight to store kinetic energy on each end having a parabolic surface of revolution concentric with the axis of the tubing. A replaceable cartridge is provided to increase the ease of maintenance and the useful life of the head.

Abstract: A cutting tool attachment that attaches to a vibrating tool, such as a vibrating sander or the like, to convert the vibrating tool to a cutting tool for cutting asphalt composition shingles, carpet, drywall and other work materials. In a preferred embodiment, the cutting tool attachment comprises a bracket member that removably attaches to the base of a vibrating sander. A cutting blade, particularly one configured for the type of work material to be cut, removably attaches to the bracket member. In a preferred embodiment, an extension member interconnects the cutting blade and bracket member. The bracket member attaches by use of screws, sliding engagement with a plurality of side engaging members, clamping mechanisms and/or by use of a variety of other attaching mechanisms. Once attached, the vibrating tool vibrates the bracket member, which vibrates the cutting blade so as to cut the work material faster and with less effort.

Abstract: A lawn cutting device includes a handle having a hollow connecting part that has a bottom end portion defining a bottom opening and a driving member having an output shaft that is received in the connecting part of the handle and that extends outwardly through the bottom opening. The device also includes a blade-mounting seat spaced apart from the bottom end portion of the connecting part of the handle, and aligned coaxially with and secured to the output shaft. The device further includes a blade member mounted on the blade-mounting seat; and a protecting member including a cup-shaped body that is coaxially aligned with and that extends from the blade-mounting seat, and that defines a recess which receives the bottom end portion of the connecting part of the handle therein.

Abstract: A main spindle of an air saw is reciprocated by sliding a piston in a cylinder chamber with the pressure of air supplied to the cylinder chamber via an air supply path so as to alternately apply the air pressure to pressure-receiving surfaces of a back plate and a front plate, wherein a rear air-cushion chamber is formed in a portion for fixing a return spring for urging the back plate toward the center of a cylinder while a front air-cushion chamber is formed in a portion for fixing a return spring for urging the front plate toward the center of the cylinder, so that the front and rear balance is maintained.

Abstract: A method and apparatus for transmitting a force around a corner is provided. The apparatus includes a force transmitter comprising a first and second rounded end, a connecting member connecting the first and second rounded ends having a smaller diameter than the first and second rounded ends. The method for transmitting a force around a corner comprises the steps of urging a force transmitter in one direction, transmitting the force from the force transmitter and a second direction wherein the force transmitter has two rounded ends and a connecting portion having a lesser diameter than either rounded end.

Abstract: A tool is disclosed having a holder provided with a mounting opening for mounting on a drive shaft, which may be driven in oscillating fashion, and having further a fixture for mounting a working element. The working element comprises at least two holding sections, spaced one from the other in tangential direction to the mounting opening, and wherein a mounting plate is provided which is engaged by releasable securing elements that coact with the holding sections for clamping the working element against the holder.

Abstract: A method and apparatus for transmitting a force around a corner is provided. The apparatus includes a force transmitter comprising a first and second rounded end, a connecting member connecting the first and second rounded ends having a smaller diameter than the first and second rounded ends. The method for transmitting a force around a corner comprises the steps of urging a force transmitter in one direction, transmitting the force from the force transmitter and a second direction wherein the force transmitter has two rounded ends and a connecting portion having a lesser diameter than either rounded end.

Abstract: A bi-directional rotation pneumatic cutting machine includes an operation section which has an actuator to drive an output shaft to rotate in two directions and a fastening mechanism coupled on the output shaft. The fastening mechanism includes a coupling head which has first reverse threads formed in the interior for fastening to the output shaft, an anchor member engaged with the coupling head with second reverse threads formed thereon, and a fastener which has first positive threads formed thereon to run through the anchor member and engage with second positive threads formed on the output shaft. The positive threads and the reverse threads are engageable with each other to allow the pneumatic cutting machine to rotate in a positive direction or a reverse direction according to different requirements without loosening and direct sparks, cutting debris or dusts generated in cutting processes in a desired direction without polluting environment or hurting people and working pieces.

Abstract: A bi-directional rotation pneumatic cutting machine includes an operation section which has an actuator to drive an output shaft to rotate in two directions and a fastening mechanism coupled on the output shaft. The fastening mechanism includes a coupling head which has first reverse threads formed in the interior for fastening to the output shaft, an anchor member engaged with the coupling head with second reverse threads formed thereon, and a fastener which has first positive threads formed thereon to run through the anchor member and engage with second positive threads formed on the output shaft. The positive threads and the reverse threads are engageable with each other to allow the pneumatic cutting machine to rotate in a positive direction or a reverse direction according to different requirements without loosening and direct sparks, cutting debris or dusts generated in cutting processes in a desired direction without polluting environment or hurting people and working pieces.

Abstract: A cutting knife for a cutting tool for cutting through adhesive beads on glass panes of vehicles comprises an attachment part and a cutting part. The attachment part, on a first end thereof, is provided with a receiving opening for attachment to an oscillating drive and taperes toward a second end. The cutting part extends at an angle with respect to a plane in which the flat attachment part extends. The cutting part has two lateral edges that join each other at the outer end of the cutting part, at least one of the lateral edges of the cutting part being shaped as a corrugated or serrated cutting edge.

Abstract: The invention relates to a portable handheld work apparatus including an overhead branch cutter. The work apparatus has a drive motor (4) mounted at one end (2) of a carrier tube (3). A work tool (6) is held at the other end (5) of the carrying tube (3). The work tool (6) is driven via a shaft (7) mounted in the carrying tube (3). A variable work position of the portable handheld work apparatus is made possible by subdividing the carrying tube (3) into two sections (8, 9). The sections (8, 9) can be pivoted relative to each other (pivot angle 11) with respect to their longitudinal axes (52, 51) and are rotatable relative to each other (rotation angle 12) and are connected by a ball-and-socket joint (10). A device is provided for fixing the ball-and-socket joint (10) and permits the ball-and-socket joint (10) to be fixed in the desired position.

Abstract: A tree pruner has a support rod, a cutting set and pull cord. The cutting set is mounted on the top end of the support rod and has a fixed blade, a moving blade and a driving lever. The fixed blade is securely connected to the top end of the support rod and has multiple fixed teeth formed on an edge of the fixed blade. The cutting blade is pivotally attached to the fixed blade. The driving lever is pivotally attached to one end of the cutting blade and has multiple moving teeth formed on the driving lever to engage with the fixed teeth on the fixed blade. With such a cutting set, the travel of pulling the pull cord can be increased, such that the cutting set can cut off with ease a tree part with a large diameter.

Abstract: A high twig pruner, comprising an operating tube or an operating rod of a specified length (33); a saw blade (43) attached to the top end of the operating tube or rod to be movable in the forward and backward directions; a power source installed at the base end of the operating tube or rod; a drive means (80) connected to the power source to perform the forward and backward movements; and power transmission members (70A, 70) for connecting the drive means and the saw blade. The pruning part is formed in the saw blade (43), which is reciprocatory driven by the drive means (80). Thus the structure is simple, and the reduction of weight and size, as well as the improvement of workability in pruning, can be accomplished.

Abstract: A tool for cutting out motor vehicle windscreens is described, with a suction cup, a rotating head pivotable on the latter, a cutting wire and a spring between the rotating head and the end of the wire. The spring is a compression spring which is arranged between the rotating head and the inner end of the cutting wire so that the spring is compressed when the cutting wire is pulled, and extends when the wire is released, drawing the wire inwards.

Abstract: A cutting and grinding tool for removing grout from between tiles comprises a rotatable cutting disc formed with a plurality of radially extending teeth about the circumference of the disc. A drive gear engagable with the teeth is rotated by a power drill to exert a drive force to rotate the cutting disc. The disc teeth serve a dual function of performing a cutting and grinding operation and transmitting the drive force of the drive gear to rotate to the disc. The tool is simple in construction, reliable in operation and easy to control in order to efficiently remove grout from between tiles.

Abstract: A cutting knife for a cutting tool for cutting through adhesive beads on glass panes of vehicles comprises an attachment part and a cutting part. The attachment part, on a first end thereof, is provided with a receiving opening for attachment to an oscillating drive and taperes toward a second end. The cutting part extends at an angle with respect to a plane in which the flat attachment part extends. The cutting part has two lateral edges that join each other at the outer end of the cutting part, at least one of the lateral edges of the cutting part being shaped as a corrugated or serrated cutting edge.