Abstract: A safety switch comprises a switching device (2) having a casing (4) housing switching means (5) connected to one or more circuits, an operating device (3) interacting with the switching means (5) for opening/closing the circuits, an unlocking mechanism (13) having an unlocking pin (14) translating with a maximum stroke from a locking position of the access to an unlocking position to operate the opening of the switching means (5), detection means (17) of the stroke of the unlocking pin (14) having a first detector (18) of the start of the stroke of the unlocking pin (14), an auxiliary unlocking control (25, 26) operatively connected to the unlocking mechanism (13) from a rest position to an operative position of unlocking of the access and promote the translation of the unlocking pin (14) The detection means (17) comprise an auxiliary detector (31) for detecting the actuation of the auxiliary unlocking control (25, 26).

Abstract: Examples are disclosed for a labeling machine for labeling containers, such as bottles in the beverage-processing industry. In one example, a labeling machine includes at least one machine unit which in operation can treat containers (e.g., label the containers), and a movable protective element which separates at least part of the machine unit from an associated environment. The protective element comprises a handle for moving the protective element, and the handle comprises a pushbutton for locking and/or unlocking. The pushbutton, when actuated, selectively releases and/or blocks the movement of the protective element.

Abstract: A storage device having a cylindrical housing with a first end, a second end and cylindrical side, wherein the ends are closed and the cylindrical side has one or more apertures. There is a cylindrical cover for each of the one or more apertures that slidably fit over the cylindrical side of the cylindrical housing and able to slide about the cylindrical side exposing or covering the one or more apertures.

Abstract: A compression system includes a compression device and a controller. A treated material is pressed longitudinally through a compression chamber by simultaneously applying a lateral pressure and a two-dimensional cross-section compression which includes a pressure applied in a direction traverse to a direction of transport and a pressure applied in a direction parallel to the direction of transport. The controller controls the two-dimensional cross-section compression applied to the treated material such that, during compression, liquids in the treated material migrate to the outer surface of the treated material upon reaching the outlet orifice.

Abstract: An electrical operator for a circuit breaker includes a carriage moving assembly and a solenoid having a reciprocating plunger. The plunger is configured to engage with the carriage moving assembly in response to a pulsating current.

Abstract: The invention relates to a device for controlling the locking of the opening of a door preferably located between the stationary part and the rotary part of a wind power plant. According to the invention, means are provided for immobilizing or stopping the rotary part, and the door between the rotary part and the stationary part of the wind power plant comprises a lock that allows unlocking and then if required opening the door when the immobilizing or stopping means have immobilized or stopped the rotary part of the wind power plant.

Abstract: A locking device for flaps or doors. A door or flap lock serves as a protection against collisions of objects or persons with moving or rotating machine parts, with the possibility of unlocking the door or flap lock by manual operation. A movable bolt is manually operable via a lever, handle, or knob. The bolt includes several engagement elements for interlocking with a housing- or frame-anchored receiving element. The interlocking engagement and receiving elements make it necessary at least on opening the flap or door to repeatedly operate the lever, handle, or knob in at least two opposite directions of movement, pivot, or turning.

Abstract: The invention relates to a device for controlling the locking of the opening of a door preferably located between the stationary part and the rotary part of a wind power plant. According to the invention, means are provided for immobilising or stopping the rotary part, and the door between the rotary part and the stationary part of the wind power plant comprises a lock that allows unlocking and then if required opening the door when the immobilising or stopping means have immobilised or stopped the rotary part of the wind power plant.

Abstract: A combination is provided of an agricultural implement and vehicle. The implement includes components that can be driven that are connected to a power take-off shaft of the vehicle, the components being covered by at least one manually opened cover. A sensor is also provided to detect the open status of the cover, that is coupled to an electronic control unit of the implement. The electronic control unit, is connected with an electronic control unit of the vehicle. The electronic control unit of the implement instructs the electronic control unit of the vehicle in case of an opening of the cover detected by the sensor and advises an actuator to disengage a clutch of the power take-off shaft and/or to prevent the actuator from engaging the clutch.

Abstract: A locking device for flaps or doors that are pivotable in or on a frame or housing. The invention in particular includes a door or flap lock that serves as a protection against collisions of objects and/or persons with moving or rotating machine parts, with the possibility of unlocking said door or flap lock by manual operation. The locking device includes a movable bolt disposed on the pivotable flap or door with said bolt being manually operable via a lever, handle, or knob and interlocking with a receiving opening for the bolt that is disposed on the frame. The bolt includes several engagement elements for interlocking with a housing- or frame-anchored receiving element, with said engagement elements arranged along the direction of the bolt's longitudinal axis, which approximately corresponds to the direction of movement of the bolt on opening or closing the pivotable flap or door.

Abstract: A combination is provided of an agricultural implement and vehicle. The implement includes components that can be driven that are connected to a power take-off shaft of the vehicle, the components being covered by at least one manually opened cover. A sensor is also provided to detect the open status of the cover, that is coupled to an electronic control unit of the implement. The electronic control unit, is connected with an electronic control unit of the vehicle. The electronic control unit of the implement instructs the electronic control unit of the vehicle in case of an opening of the cover detected by the sensor and advises an actuator to disengage a clutch of the power take-off shaft and/or to prevent the actuator from engaging the clutch.

Abstract: A protector device for a danger zone of the machine includes two parallel slides 10 disposed along two sides of this danger zone and two normally open switches 11, 11a connected in series in the electrical supply of at least one motor of the machine. One of these switches is disposed adjacent one end of one of the slides 10 while the other 11a is disposed adjacent the opposite end of one of the slides 10. It also comprises a protector element 8 sliding in the slides and whose length is such that in service position, this protector element 8 actuates the control members of the two switches 11, 1a to close them.

Abstract: A chuck system for machine tools with a rotating jaw chuck has clamping jaws of the jaw chuck which can be radially adjusted relative to an axis of rotation. The clamping jaws are displaceably mounted in a bearer connected with a drive shaft, and in which engagement openings for the introduction of an adjustment tool for the positioning of the clamping jaws are arranged in the region of the bearer. The bearer is surrounded by a protective sheath that is guided so as to be displaceable in the direction of the axis of rotation. The protective sheath comprises through openings, which are arranged so as to be congruent to the engagement openings in a handling position of the protective sheath, and are arranged so as to be offset to the engagement openings in an operating position of the protective sheath. In the operating position, the clamping jaws are radially surrounded, at least in regions, by the protective sheath.

Abstract: The spinning rotor of an open-end spinning device is supported by means of a rotor shaft in the nip of at least one pair of supporting disks and can be driven by means of a tangential belt. A change-over device with a pressure roller is provided to press the tangential belt against the rotor shaft and a rotor brake which can be brought into action alternatively is provided. The change-over device is connected to a control lever which can be controlled as a function of the position of an actuator connected to a spinning station cover. The control lever is provided with an actuating arm. By opening the spinning station cover completely, a sufficient clearance can be produced between the actuator and the control lever so that the rotor brake can be deactivated through action exerted on the actuating arm of the control lever by means of the change-over lever on the one hand without allowing on the other hand the pressure roller to be yet actuated.

Abstract: When the vehicle speed falls below a predetermined reference speed, the measured vehicle deceleration is used to calculate an extrapolated time when the vehicle will be brought to a complete stop. When the extrapolated time is reached, the brake pressure is automatically applied and maintained until a desired departure is indicated.

Abstract: A transmission for a motor vehicle, having frictional shift elements, an overrunning clutch used as a hill support, and an automatic control of the working pressure of the shift elements to protect the functioning of the overrunning clutch.

Abstract: A folding box gluing machine to be used for the production of packages is provided with a lateral wall situated on the operator's side of the machine which consists of a plate making up the machine frame. The plate has several apertures providing access to, and inspection of, the inner machine area. The full or closed areas of the plate are covered up by hollow panels in which the machine components can be lodged. The apertures are closed by transparent panels which are removable and are provided with safety detectors preventing the machine operation as long as they are not closed. The height of the panels is sufficiently high so that the wall will be able to ensure a noise absorbing or blocking effect.

Abstract: A safety apparatus for controlling access to a work object having an active mode and a passive mode, the apparatus having a lock assembly for obstructing access, in a first condition, and alternatively permitting access, in a second condition, to the work object; a detector for detecting when the work object is in the active mode and in the passive mode; and a control system operably interconnecting the lock assembly and the detector operable when the work object is in the active mode, as detected by the detector, to maintain the lock assembly in the first condition and when the work object is in the passive mode, as detected by the detector, to maintain the lock assembly in the second condition.

Abstract: A parking maintaining apparatus includes a solenoid-operated open/close valve which opens or closes a constant pressure passage providing a communication between a valve mechanism and a constant pressure chamber of a brake booster. A relief valve is provided which relieves a pressure within the constant pressure passage into the constant pressure chamber when such pressure exceeds a given value. The provision of the relief valve allows the pressure within a variable pressure chamber to be maintained at or below the given value through the valve mechanism under a parking maintaining condition, whereby the pressure within the variable pressure chamber can be rapidly displaced as the parking maintaining condition is to be terminated, thus eliminating a partly braked condition.

Abstract: A device for holding the braking force of a motor vehicle has a braking force holding valve in a brake operating fluid circuit. The device ascertains whether a load is imposed on an engine of the motor vehicle based on detected signals indicating the amount of depression of an accelerator pedal and the rotational speed of the engine. When there is a load acting on the engine, the braking force holding device is opened to release a braking force.

Abstract: A powered hand tool as a housing containing an air pressure driven motor with an output spindle extending from a work side of the housing and a work device such as a grinding wheel mounted thereon. A guard is mounted with the work side of the housing and at least partially surrounds the work device or grinding wheel. A handle mounted with the housing is provided for an operator to hold the tool. An air pressure flow control valve is mounted in the handle and includes a valve actuator member extending from the handle. An actuating lever is secured to the housing by a removable lever mount located in a locking groove in the housing and held in place by a portion of the guard. With the guard in place the actuating lever mount is positioned for hand actuation upon grasping the handle.

Abstract: A magnetic disc clutch mechanism comprises a housing for receiving a cartridge in which a magnetic disc is rotatably disposed. The housing has a base, an opening, and a door movable to close and open the opening. A spindle assembly is slidably mounted on the base under the cartridge, and the spindle assembly is movable upward to contact the magnetic disc for rotatably holding the magnetic disc and is movable downward for releasing the magnetic disc. A lever is disposed on the base, one end of the lever being connected to the door and the other end thereof being movable back and forth relative to the spindle assembly according to the opening and closing movements of the door. An arm extends from the spindle assembly and cooperatively engages with the other end of the lever so that the spindle assembly moves forward when the door is closed and the spindle assembly moves backward when the door is opened.

Abstract: An apparatus for preventing the opening for one or more access doors to rotating machinery which is confined in some form of enclosure. A shaft from the machinery extends through the enclosure and has a disc attached to it. The disc has one or more radial holes drilled in the periphery to permit the entry of a release rod, but only when the machinery is stopped. The release rod is attached to a pivoted rod which is moved into and out of locking engagement with the doors when the release rod can enter the periphery hole. The pivotal rod contains two locks each for one or more doors. One lock prevents the door from being rotated toward the rod and the second lock prevents the door from being rotated away from the rod unless the pivotal rod is pivoted to release the locks.

Abstract: An apparatus for inspecting various articles in connection with the present invention comprises a structure for operating a retractable door which includes a shaft member, a flexible door member carried by and windable on the shaft member, a motor structure for driving the shaft member, and a gear train mechanically linking the motor and shaft member. The gear train includes a drive gear and a driven gear with the driven gear being connected to the shaft member and the drive gear being connected to and driven by the motor. The drive gear and driven gear both comprise gear teeth about only a portion of the respective circumferences. A switch member for controlling the motor is provided, and an actuating control structure is provided with respect to the drive gear for controlling the switch member.

Abstract: A safety interlock between a machine guard and a machine actuator, comprising locking means for the guard and locking means for the actuator, the guard locking means being arranged, upon closing of the guard, to engage and thereby release the actuator locking means and to be held in a guard locking condition by such engagement while the machine is actuated.

Abstract: A machine for wrapping articles uses several guard covers to enclose its operating mechanism for safety purposes. A switch in the machine must be actuated to enable machine operation. At least one cover is provided with a switch actuator and one or more other covers have interlocks which must be properly set by having all covers in place to permit the actuator to actuate the switch.

Abstract: An automatic programmed machine tool having guard doors is shut down by an interlock system whenever a guard door is opened.

Abstract: An apparatus for inspecting motion picture film so as to locate edge cuts and tears, sprocket hole tears, improper splices and tape fragments or other objectionable foreign material on the film surface, which apparatus comprises a supporting frame with a front panel disposed in a generally vertical plane between parallel spaced end frame members and extending above a work table on which are mounted a plurality of work units and control apparatus therefor, the work units being disposed between the end frame members and along a generally horizontal path traversed by the film which is fed from a supply reel and gathered onto a take-up reel, both of which are driven by circuit controlled motors, the work units comprising a film cleaning unit, a defect detector unit, a viewer or an illuminated film viewing light box unit, a splice counter and footage measuring unit and a film tension sensor unit, with integrated circuit electronics for control of all machine functions and with safety devices including a transparen

Abstract: An enclosure, for example, a safety enclosure around noisy or potentially dangerous machinery, includes a door which, when opened, stops the operation of the machine to prevent injury to personnel who may examine or maintain the machine. A pneumatic safety system for the door includes, in series, a source of compressed air, an air regulator valve, a series of disconnectable air connectors and a transducer, such as an air pressure limit switch, which converts a decrease in air pressure into a control signal to stop the operation of the machine. One air connector member is mounted on the door and another on the door frame, so that they are automatically disconnected when the door is opened, thereby opening the pneumatic line and causing the air pressure to decrease. The connector members each have a flat face which meet in a flush relationship, one connector member having a round orifice and the other connector member having a multi-slotted orifice which leads to an internal air cavity.

Abstract: A vehicle is provided with a control lever which is mounted in a vehicle cab so as to be incorporated in a housing supporting the left arm rest of the operator seat. The control lever is of a type movable among various positions for actuating hydraulic valves for controlling equipment attached to the vehicle and a normal neutral position for neutralizing the control valves. Fixed to the control lever is a pin which projects vertically when the lever is in its neutral position and a vertically swingable latch member is biased towards a latched position wherein it receives the vertical pin and holds the control lever in its neutral position. The latch member includes a pin which extends crosswise to the axis of and below the pivot of the latch member at a location whereat it is engageable by a bumper carried by the door when the door is closed so as to move the latch member upwardly to a deactivated position permitting the control lever to be operated when the vehicle door is closed.

Abstract: A safety interlock switching device for protecting equipment, which assures the switching-off of the dangerous operating condition in the opened position of the protecting equipment, and comprises a housing, a toggle lever provided with a pivotably mounted locking lever which has two dead center points and has a cam surface which cooperates with a respective cam surface of an actuating element rigidly mounted on the protective hood and insertable into the housing. A switch is provided which actuates the toggle lever. The toggle lever and the switch are positioned in the housing of the switching device. The housing has an insertion opening into which the actuating element is insertable. In one dead center position of the toggle lever, the locking lever and the actuating element interlock with each other, and in the other dead center position the dangerous operating condition is switched off by the switch, and the actuating element with the protective hood are released.