13553results about "Maintainance and safety accessories" patented technology

Machines with safety systems are disclosed. The machine may take the form of woodworking machines including table saws, band saws, miter saws, hand-held circular saws, pneumatic chop saws, radial-arm saws, jointers, planars, routers and shapers. The machines may include an operative structure configured to perform a task, where the operative structure includes a cutting tool adapted to move in at least one motion, and a safety system adapted to detect the occurrence of an unsafe condition between a person and the cutting tool and for mitigating the unsafe condition. The safety system may include a detection subsystem and a reaction subsystem.

A food blender and processor device comprising a motor at the base and a rotating shaft with a plurality of rotatable blade modules, which also includes a safety system that activates to enables activation of the device if the cap is tightly secured onto the top opening of the food blender and process device.

Universal tool holder coolant delivery adapters have adapter bodies which are removably attachable to a tool holder by at least one fastening device, the adapter located between an attachment end of the tool holder and a distal end of the tool holder, the distal end of the tool holder having a cutting tool attached thereto, the adapter bodies having an internal coolant passageway including an intake port and an exit port, the intake port adapted for attachment to a pressurized coolant supply line and the outlet port adapted for attachment to or configured in the form of a coolant spray nozzle, the coolant spray nozzle being closely positioned and substantially aligned with the cutting interface of the cutting tool and a workpiece.

A blender includes a motor base, a container, and a top cover. The motor base includes a motor unit having a blade driving section, and a contact switch unit connected electrically to the motor unit. The contact switch unit includes a press button that is depressible so as to permit activation of the motor unit. The container has a container bottom provided with a cutting blade unit that is coupled to the blade driving section so as to be driven rotatably by the motor unit. The container has a spring-loaded push rod unit mounted movably thereon. The push rod unit has a bottom rod section associated with the press button of the contact switch unit, and a top rod section depressible by a switch actuating block of the top cover so as to move the push rod unit against biasing action from a deactivating position to an activating position.

Machine tool simplifying maintenance, reducing manufacturing costs, and enabling high precision machining. The machine tool is equipped with: a bed furnished with a rectangular base, right and left sidewalls provided standing either side of the base, and a rear sidewall provided standing along the back of the base; a table disposed in the space surrounded by the three sidewalls; a first saddle shaped in the form of a rectangular frame shape, provided free to shift back and forth supported on the tops of the left and right sidewalls; a second saddle penetrated by a perpendicular through-hole and arranged free to shift sideways inside the first saddle frame; and a spindle head arranged free to shift perpendicularly inside the through-hole in the second saddle; and a main spindle arranged over the table and supported by the spindle head free to rotate centered on its axis.

A wireless particle collection system includes a dust collector and at least one power tool coupled to the dust collector. The power tool is associated with a unique identifier contained in a wireless signal transmitted from the power tool upon an activation event of the tool. The unique identifier is recognized by the dust collector, and the dust collector activates or de-activates upon receipt of the wireless signal.

A positioning device has first and second object holders that are guided over a guiding surface extending parallel to an X-direction and parallel to a Y-direction perpendicular to the X-direction and which are displaceable over the guiding surface from a first position into a second position by means of a displacement system. The displacement system includes a first displacement unit and a second displacement unit to which the object holders can be alternately coupled. The first displacement unit is suitable for carrying out a first series of positioning steps of the first object holder in the first position and for displacing the first object holder from the first position into an intermediate position between the first and second positions. The second displacement unit is suitable for carrying out a second series of positioning steps of the second object holder in the second position, simultaneously with and independently of the first displacement unit, and for displacing the second object holder from the second position into the intermediate position. In the intermediate position, the object holders are exchanged, after which the first series of positioning steps can be carried out by the first displacement unit with the second object holder in the first position and the second series of positioning steps can be carried out by the second displacement unit with the first object holder in the second position. The positioning device is suitable for use in a lithographic device to carry out an exposure process with a first semiconductor substrate in an exposure position and, simultaneously therewith and independently thereof, a characterization process with a second semiconductor substrate in a characterization position.

A device of the present invention for applying a cryogenic composition includes a machining tool or tool holder having a channel positioned therethrough and a capillary tube positioned within the channel. A dense cryogenic fluid is passed through the capillary tube while a diluent or propellant fluid is passed through the channel. The diluent or propellant fluid flows within the channel and about the capillary tube. Upon exiting the capillary tube, the dense fluid admixes with the diluent or propellant fluid to form a cryogenic composite fluid or spray. The cryogenic composite fluid or spray is selectively directed onto a substrate for cooling or lubrication purposes, or onto the machining tool for cooling purposes.

The present invention is directed to a power tool including a working element for performing a task. A light source is arranged to project a beam of light adjacent the working element. A detector, such as an electro-optic type detector, is communicatively coupled to the power tool such that the detector is capable of detecting the presence of a human body part in the beam of light. If a body part is detected, the detector may communicate to stop operation of the working element.

A cutting insert for use in chipforming and material removal from a workpiece wherein coolant is supplied to the cutting insert from a coolant source. The cutting insert includes at least one discrete cutting location and at least one distinct internal channel that corresponds to the cutting location. The internal channel has an inlet to receive coolant and an outlet to exit coolant. The outlet is proximate to the cutting location, and the inlet is radial inward of the outlet.

An accessory system, such as a dust collection system (40) of a hand held power tool, such as a drilling and/or hammering tool comprising, the tool, an accessory unit (40) comprising a separate motor for powering the unit and releasably mountable on the tool, and a battery pack (4). When the accessory unit is not required, the battery pack can be mounted directly on the tool for powering to tool and when the accessory unit is required the battery pack can be mounted on the accessory unit for powering the accessory unit and, when the accessory unit is mounted on the tool, for powering the tool via the accessory unit.

An intrusion detection system for altering the operation of an associated machine when an appropriate intrusion is detected, the system comprising: a first detector to detect the presence of a first distinguishing property and to selectively produce an intrusion signal when the first distinguishing property associated with an object is detected within a danger zone approximate a pinch point of a machine, wherein an area approximate the pinch point of the machine does not exhibit the first distinguishing property; and, a controller, operatively coupled to the intrusion detector and the machine, for controlling the operation of the machine, wherein the controller generates a corrective action signal directed toward the machine when intrusion signals are received from the intrusion detector.

A balancer assembly 10 which automatically provides balancer limits, which achieves a balancing state while substantially minimizing short term vibration increases and which provides for multi-plane balancer dithering.

An electrically powered tool having a dust collection unit powered by a motor, which unit can be releasably fitted to the tool includes a plug arrangement and a cooperating socket arrangement, one of which is formed on the tool and the other of which is formed on the unit. A first mechanical fixing arrangement is provided comprising a first projection and a first cooperating recess, one of which is formed on the tool and the other of which is formed on the unit. A second mechanical fixing arrangement is provided and comprises a manually actuable releasable latch arrangement and a second cooperating recess, one of which is formed on the tool and the other of which is formed on the unit. The first and second mechanical fixing arrangements cooperate to secure the dust collection unit to the tool in such a way that the plug and socket arrangements form an electrical connection.

A position command value is compensated by predicting a thermal displacement amount of each part of a machine tool and adding a thermal displacement compensation amount which cancels the predicted thermal displacement amount to the position command value of a feed axis. This thermal displacement compensation amount is adjusted from the error amount between this compensated position command value and an actual machining point. Upon adjustment of this thermal displacement compensation amount, it is possible to determine whether to increase or decrease the thermal displacement amount based on a direction in which an operator moves a tool image or a workpiece image on a screen.

A pocket-hole drilling apparatus for drilling pocket-holes in a workpiece is disclosed. In one embodiment, an initiation switch actuates clamping the workpiece and the movement of a drilling module to cut a pocket-hole. The drilling module has a motor and a step-drill mounted thereon, which is slidably mounted on a guide module. The axis of the drilling module movement intersects work surface. In another embodiment, a movable fence provides the adjustability of pocket-hole depth. In yet another embodiment, two actuator tips are disposed in a fence to prevent the drilling of a pocket-hole through the sidewall of a workpiece. In still another embodiment, a short stroke clamping actuator is used to prevent human finger injury. In still another embodiment, a blower or an ejector pump is used to remove wood chips, wherein the blower is either attached to a drilling motor or to a separate blower motor; the ejector pump is mounted near the drill guide. In still another embodiment, two pocket-drills are slidably mounted on a block so as to drill two pocket-holes and to adjust pocket-hole spacing. In still another embodiment, a mounting structure is disposed either underneath or above the work surface to mount drilling module(s) so as to drill multiple pocket-holes into a wide workpiece at one setup. In still another embodiment, a drill guide forms a clearance for the cutting edges of the step-drill to minimize wear on the edges. In a further embodiment, an actuator provides both clamping and drilling movements, wherein the actuator is an electric motor or a hand lever.

A liquid spray device, comprising a container (1), a spray injection nozzle (2) for injecting oil spray into the container (1), a spray feeding path (5) for feeding oil spray in the container (1) to the outside of the container (1), oil (11) stored in the container (1), a gas exhaust port provided in the oil (11) by discharging gas into the oil (11), whereby the flow velocity of the oil spray in the spray feeding path can be increased and the amount of oil spray can be increased because an internal pressure of the container can be increased and an oil spray different from the oil spray from the spray injection nozzle can be produced.

A metal workpiece is cut by rotating the workpiece while pressing the cutting edge of a cutting insert thereagainst for removing a chip from the workpiece. A first liquid jet is directed from a first nozzle toward an upper surface of the cutting insert for creating an hydraulic wedge between the cutting insert and the chip, and a second liquid jet is directed from a second nozzle toward a target point disposed above the upper surface of the cutting insert to engage and deflect the chip upwards and backwards.

A system and method for securely roaming private data from a first client computer to a second client computer linked via a communication network. A user of the first client computer executes a home client application and designates private data for roaming. The home client application generates a first key in response to a password, and encrypts the designated private data as a function of the first key. The server receives and stores the encrypted private data. A user of the second computer executes a roaming client application and requests transfer of the encrypted private data from the server. The roaming client application generates the first key in response to the password, and decrypts encrypted private data transferred from the server to obtain the private data. The invention further provides users the ability to retrieve encrypted private from the server even when the user cannot remember the password associated with the first key. Also, the server has no knowledge of the private data nor the keys.

A spindle device of a machine tool, which can prevent the liquefaction of atomized cutting fluid in atomized cutting fluid passage downstream of a straightening unit 14, enhance a responsiveness to an ejecting start or stop instruction, and prevent a waste of cutting fluid. The spindle device for a machine tool has atomized cutting liquid passage (e1, e2) each having a single-shape passage section and formed inside the device ranging from the spindle 1 to the tip end of a cutting tool 13 mounted thereto in one piece, and is operated so as to eject atomized cutting tool 13 via the atomized cutting fluid passages (e1, e2), wherein a straightening unit 14 formed with a plurality of small-diameter passages h are provided in the middle of the cutting liquid passages (e1, e2).

The invention provides a numerically controlled drilling and milling processing method for a runner of a blisk of an engine. The main technical flow before drilling and milling the runner comprises the following steps: lathing each surface of a blank, performing nondestructive testing, lathing inner and outer cavities of the blisk, finely milling a needed periphery and an axial benchmark, drilling and boring an angular datum hole, drilling and milling the runner and inspecting. A part and a fixture are in peripheral seam allowance fit to limit a radial degree of freedom of the part; an end face gland and a central pull bar axially limit an axial degree of freedom of the part; and a precise positioning pin angularly limits an angular degree of freedom of the part. The method has the advantages that: by applying the drilling and milling processing method to a part machining process of the blisk of the engine having the material removing rate of over 90 percent, the method improves the processing efficiency, shortens the manufacturing period of the product, and provides a new technical means for removing a large amount of remainder materials of the blisk; and the processing of a high-temperature alloy, a titanium alloy and other difficult-to-process materials shows that the material is more difficult to process, the removing rate is bigger and the effect is more obvious.

A flexible vacuum shroud provides an improved seal to the work surface and allows for use on curved surfaces. The shroud incorporates support structures around the cutting tool hole which improve performance with different cutting tools and which prevent collapse of the shroud.

A method and an apparatus or machining a workpiece include the use of a cryogenically cooled oxide containing ceramic cutting tool. The method involves cryogenic cooling of the cutting tool during a cutting operation, which cooling results in enhanced wear resistance and fracture resistance of the cutting tool. A preferred embodiment involves jetting a cryogenic fluid directly at the cutting tool.

The invention provides a rotating dual-exchange system. The technology in the two-station system has complex structures, and the high costs and dual-exchange potential safety problems when there are problems. The invention of the rotary dual-exchange system for one of the main frame and has operations in the two electronic devices, including set up its main base on the framework of the operations of the two should be installed in the symmetry and the stage - The first and second operations desk, base stations used to drive along the base of the center-rotating drives used to control devices and base stations driven deviser base rotation in order to achieve the first - and second operation Taiwan transposition operation control module. By the invention of the rotary dual-exchange system can improve the efficiency and reduce costs.

PCT No. PCT/JP97/02496 Sec. 371 Date Mar. 3, 1998 Sec. 102(e) Date Mar. 3, 1998 PCT Filed Jul. 18, 1997 PCT Pub. No. WO98/03302 PCT Pub. Date Jan. 29, 1998In order to process a solid processed object with a simple construction, and to process a solid and flat work while effectively collecting particulate scraps, in a machine tool for processing work in which a working table on which the work is mounted and a spindle in which a cutter is installed move relatively to each other, a bellow which telescopes freely is provided, one open end of which connects to the spindle head so as to surround the spindle, and the other open end of which connects to a working table in such a manner as to surround the work.

A food processor (100) includes one or more of a removable feed tubes (155), a cover or lid (156) for a feed tube opening (154), a double sided grating disc (190), a bowl or receptacle (110) having a pour spout and a complimentary hinged spout lid (140s) on the bowl cover (140), a bowl mounted drive shaft (115), an extensible shaft for mounting various blades or discs at various heights, and an adjustable thickness slicing disc (180).

Disclosed herein is the structure of a damper that is capable of improving the degree of freedom in design to optimize the damping characteristics of the damper and is capable of allowing the damper to be easily optimized and manufactured for a wide variety of dynamic stiffness characteristics of a tool body, and a manufacturing method using the same. A plurality of ring-shaped elastic members are disposed at opposite ends of a weight part. The weight part is connected to the tool body via the elastic members. Consequently, the weight part is moved relative to the tool body. The plurality of elastic members are mounted while spacers are disposed between the elastic members, and the spacers are moved with respect to the weight part in the axial direction thereof. A viscous fluid is filled in the region surrounded by the outer circumferential surfaces of the spacers, the elastic members, and the inner surface of a hollow part of the tool body. Consequently, it is possible to damp the relative movement of the weight part with respect to the tool body.

A cutting insert rotated about its axis may be utilized during a metalworking operation and applied against the rotating workpiece to enhance tool performance. A method, including an assembly with a rotatable insert mounted to a toolholder may be utilized to achieve this result.

The invention provides a high-accuracy hole forming device for an aircraft wall panel and a method of the high-accuracy hole forming device. A main shaft module is used for feeding an electric main shaft along a hole forming axis; a feeding module is used for guaranteeing movement of the main shaft module and a pressure pin normal leveling module in the hole forming axis and providing pressure for a pressure pin to be abutted against the wall panel; the pressure pin normal leveling module is used for guaranteeing the stability of the wall panel in the hole forming process; the feeding module is matched with a grating scale module for work to realize accurate control over the hole forming feeding displacement; a visual alignment module and a control system form a closed loop feedback loop; positional deviation error of a projection point of a hole forming main shaft on the wall panel surface and an actual hole forming point can be measured and fed back in real time; and correction is performed through the closed loop system to guarantee that the positional accuracy of a formed hole is within a tolerance requirement range. According to the high-accuracy hole forming device, the positional accuracy, the surface roughness and the dimensional accuracy of the hole can meet the design requirements well; and meanwhile, slanting holes and oblique holes are not formed in the hole forming process, the temperature of a hole forming region is kept at a normal working temperature and the chip removal is normal.

In a machine tool controlled by using a numerical control device, a correction amount is determined for thermal displacement due to heat generation and heat conduction in a spindle motor and a feed shaft motor, in addition to thermal displacement due to heat generated by rotation of a spindle and a feed shaft. A tool position is corrected based on the correction amount. An entire stroke of the feed shaft is divided into a finite number of sections, and for each section, a correction amount for thermal displacement due to axial movement of the feed shaft is determined. The tool position is corrected based on the determined correction amount.