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JP3602538B2 |
A detection means 1 detects changes in impedance generated at a coil TC caused in response to indentations Py1 and Py2 and projections provided at the surface of a movable portion Rot to generate a detection signal thereof. A speed judge...
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JP3603084B2 |
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JP2004535616A |
A visual object detection system to provide access and/or presence monitoring of an area of interest. In steady state operation, that is when no object is entering or within the area of interest, only those portions of the incoming image...
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JP3580990B2 |
To provide a device for monitor for an installation region capable of being isolated by at least one door. The device for monitor has safety switches being adjoined to a door 4 and capable of being driven by a key-shaped actuator 5, two ...
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JP3579482B2 |
PURPOSE: To provide a work area protecting panel for a machine tool for ensuring shielding of a whole work area at two axes from a rear portion of the machine tool in a simple structure. CONSTITUTION: This protecting panel consists of a ...
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JP3576240B2 |
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JP2004530090A |
A safety system receives access monitoring information from sensors to detect intrusion into a mutual exclusion zone by either an operator or mechanical equipment. The border of the mutual exclusion zone is segmented into portals that al...
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JP3570519B2 |
PURPOSE: To easily confirm the whole movement of a self check system by inputting either higher level one of the detecting signal of a pseudo-light shielding signal and a changeover signal of effectiveness/ineffectiveness of a fortelectr...
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JP3572052B2 |
A safety device for rotary printing press is provided in which, if a blanket cylinder and a plate cylinder move a little larger, a gap between surfaces of the cylinders and guard member can be maintained to be less than a predetermined v...
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JP3566487B2 |
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JP3562656B2 |
There is provided a refuging system for transfer bars of a transfer feeder of a transfer press, in which the transfer bars are driven by a transfer bar driving mechanism including an induction type servo motor. The refuging system includ...
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JP3547785B2 |
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JP2004204933A |
To provide an emergency stop device for forcibly stopping machines when the abnormality occurs in the machines.A flexible wire material 8 connected with an actuator 7b of an emergency stop switch 7 of an object machine 1 is distributed i...
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JP2004190843A |
To provide a catch prevention device capable of preventing a hand from being caught between a belt and a pulley.This catch prevention device 2 used when a rotating device is manually rotated comprises a plate-like member 10 having, on on...
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JP2004518046A |
A driven part can be pivotably mounted to the door frame so that, in a starting position, it engages a driving part fixed to the leaf frame in order to fix the position of the door leaf with respect to the door frame. An electromagnetic ...
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JP3535725B2 |
To increase the cost reduction effect of a light barrier device by simplifying the structure of a light receiving circuit without deteriorating a fail-safe property. A pair of light projecting units 1, 3 and a pair of moving mirrors 2, 4...
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JP3536192B2 |
To provide a flash cover capable of properly suppressing scattering of flash for a flash butt welding machine. The flash cover is equipped with a box-shaped upper cover 12 which is provided in the manner of surrounding a flash butt weld ...
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JP2004156312A |
To surely detect the opening/closing state of a door by a simple constitution, and to surely secure safety even when a failure occurs in a mechanism for detecting this state.A proximity switch 1 of a type for starting oscillation by the ...
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JP2004154916A |
To provide an inexpensive safety device not to lower a facility operation rate in a system to carry out work by an automatic machine.A robot RB, etc. stop in the case when a safety fence 2 and a photoelectric sensor 1 are effective and t...
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JP2004122246A |
To provide a state detector appropriately determining a place occurring a ground fault without burnout of a switch for detecting a closed state of a safety door and the like.A plurality of switches 40 to become continuity states in closi...
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JP2004114126A |
To provide a slide drop preventing device which is simple and can be composed in small size and certainly prevent a slide from dropping without a little slide drop at any positions for a short time, moreover maintainability is good and c...
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JP2004100819A |
To provide a molding machine having a machine component capable of reducing shock even when a worker's head or the like moves to strike against the machine component as exposed or protruded in a work space for the molding machine.Coating...
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JP3507516B2 |
PURPOSE: To obtain high failure safety at the lowest possible cost and to permit additional equipment by improving a machine part for a longitudinally extending machine component movable lateral to a longitudinal direction, particularly ...
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JP2004079204A |
To disperse excess force applied to a rotating cam to a base and a head case, since there is a possibility that an overload may be applied to the rotating cam through a key when the key is pulled out by force without releasing locking, a...
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JP2004042101A |
To prevent any unexpected contact accident during a pressing work in advance.A safety device comprises a light emitting unit 10, a light receiving unit 20 which is disposed facing the light emitting unit 10 and receives light beams L1-L8...
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JP2004036776A |
To provide a safety mechanism of industrial machinery which assures the safety of workers, while reducing an equipment cost.This industrial machinery performs a specified operation by moving a movable body, and comprises a working openin...
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JP2004009168A |
To provide a control device capable of preventing natural drop of a gravity shaft in cutting off power supply and a mechanical device system furnished with this control device.This machine tool system (mechanical device system) 1 is furn...
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JP3486819B2 |
PURPOSE: To provide a safety switch provided with a safety protective function for keeping the condition that the operation of an industrial machine is stopped even when the door of a room in a dangerous zone is closed while there are op...
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JP2004003093A |
To provide a circular knitting machine provided with a protection cover placed around the circular knitting machine, protecting the operator and enabling easy access to the machine from the outside.The circular knitting machine is provid...
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JP3482490B2 |
PURPOSE: To provide a tubular body raising and lowering device by which a tubular body can be raised and lowered safely by controlling a driving means according to operation of a raising and lowering switch. CONSTITUTION: A vertical dire...
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JP3478909B2 |
PURPOSE: To hold a protective plate reliably and to absorb the thermal expansion of the protective plate. CONSTITUTION: The two corner parts of the lower end of a protective plate 6 are supported by two lower fitting jigs 8A and 8B respe...
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JP3472433B2 |
To prevent a gravity shaft from falling down due to power failure, and thereby prevent tools, works and the like from being damaged. When power failure is detected by a power failure detection circuit provided in a power supply circuit 1...
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JP3469969B2 |
To deal with all kinds of abutting shapes and also to ensure no leakage of a laser beam. In the axial line of a handy torch 1, plural guard members 29, 31 are disposed which are closely adhered to the circumference of the tip end of the ...
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JP2003311665A |
To provide a robot system and a controller having an enable switch circuit for ensuring the safety of a plurality of operators when one robot is operated by the plurality of operators.The robot system is provided with pendants operated b...
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JP2003311499A |
To provide an abnormality detector for a guard driving mechanism in which the abnormality of the guard driving mechanism is previously detected.Detection sections 30, 31 are a device detecting an electric current flowing to driving motor...
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JP3457437B2 |
To enable an operator to safely perform manual welding by a YAG laser by emitting a laser beam from a laser oscillator to a laser processing head when a laser emission switch turns on. The manual welding system consists of the YAG laser ...
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JP3455819B2 |
PURPOSE: To provide a safety device of one kind which can be widely used for various kinds of uses such as a double hinged door, a hinged door and so on by disposing a switch and an operating part for releasing locking in a switch case, ...
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JP3457369B2 |
PURPOSE: To provide a safety switch having such a structure as its actuator is not slipped out by acting force being as strong as reaction in closing a door or the vibration of a machine inside a room. CONSTITUTION: A cutout switch has p...
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JP2003275820A |
To relieve a worker of a heavy work in aligning the optical axes of an optical safety device, and to improve efficiency of the set-up operation by easily and quickly performing the optical axis alignment and eliminating dependency on the...
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JP2003266269A |
To provide a machine tool having an interlock function capable of smoothly restarting action of an energization means, achieving high reliability at a low cost, and detecting malfunction of a power part even when failure of a position sp...
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JP3446934B2 |
To secure the safety of an operator by stopping the drive of a controlled system machine at a time when such a signal as transmitting the light of a specific optical axis is finally outputted, in this optical axis transmission detector o...
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JP2003527808A |
A safety lock out switch system for the prevention of an unexpected restart of an electrically powered machine in whose main power circuit it is installed. Therein the power-free status of the power supply output of the system is confirm...
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JP2003247692A |
To provide a protection device operating in the non-contact manner so as to secure safety in a dangerous zone of machinery.This non-contact protection device is capable of, in addition to safety securing operation for issuing an alarm si...
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JP3443292B2 |
To improve the safety of an optical safety device putting a machine in an operational state by judging cutoff of layer rays or its cancellation. An optical safety device is provided with a workpiece sensor set in a machining position wit...
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JP3443216B2 |
To ensure safety of a packaging by a method wherein a pair of starting switches which are intentionally controllable, are provided, and when both starting swtiches are placed under a control signal output state, a packaging means is oper...
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JP2003236693A |
To provide a device for machining pieces with the aid of a laser beam, a device in which the position of two reflection mirrors can be easily changed particularly with flexibility.The device for machining pieces with the aid of a laser b...
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JP2003222295A |
To provide method and device for controlling at least one safety- related function (an emergency stop function, for instance) of a machine.A monitoring region 18 is monitored with at least a sensor having location resolution and/or time ...
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JP2003218679A |
To provide a multi-axis photoelectric type safety device which has both a protecting function, i.e., a shield detecting function that the multi-axis photoelectric type safety device originally has and allows a shield such as a work to pa...
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JP3429473B2 |
To provide a pump fitted with a motor for feeding a high-temperature fluid by pressure having an insulating structure and a cooling structure that are capable of avoiding a bearing of a motor from lacking lubricant, from seizing up and f...
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JP2003197077A |
To prevent the increase in a detection interval produced when two units are non-linearly connected to each other.A light projecting device E comprises light projecting units 2 to 5 and a light projecting relay member 6 installed at the c...
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