Class 192/129A - Electrical

Subclass of Class 192 - Clutches and power-stop control
No. of patents: 82
Last issue date: 08/19/2008

Number	Title	Issue Date
7412861	Device for monitoring an area of coverage on a work tool A device for monitoring an area of coverage on a work tool may comprise a lighting unit, a camera, and an evaluation unit. The lighting unit may be adapted to emit light rays for illuminating the area of coverage. The camera may be adapted to detect two-dimensional ...	08/19/2008
7360635	Anti-pinch system An anti-pinch system of a vehicle closure includes a detection system for detecting pinching and a clutch to disconnect the vehicle closure from a closure driving mechanism following detection of pinching by the detection system. The closure drive mechanism can be d...	04/22/2008
7350627	Elevator arrangement The invention relates to a safety device arrangement for an elevator door opening, said safety device arrangement comprising at least a toe guard (3) placed substantially at the lower edge of the elevator car and a safety circuit (21) connected to the ...	04/01/2008
7340930	Method for securing a machine tool and opto-electronic sensor for carrying out such a method The invention relates to a method for securing a machine tool comprising a first tool part that carries out work movements in the direction of a second tool part in order thereby to carry out a machining process on a workpiece, wherein an optoelectronic sensor monit...	03/11/2008
7197969	Logic control with test mode for fast-acting safety system Woodworking machines including cutting tools and motors adapted to drive the cutting tools are disclosed. The machines also include a detection system adapted to detect a dangerous condition between the cutting tool and a person, and a reaction system adapted to per...	04/03/2007
7124872	Safety device for industrial machines A safety device, particularly for industrial machines, such as for example bending presses provided with an upper tool that is driven in abutment toward a lower die, at least one blank, such as a metal plate, a bent plate or a box-like element, being interposable be...	10/24/2006
7049967	Safety system for machine tools Safety system for a manufacturing machine provided with at least one tool which can injure the operator, comprising a pair of gloves to be worn by the operator and provided with an outer surface of dielectric material and an electrically conductive inner surface; an...	05/23/2006
7017326	Transmission rotation sensor switch A sensor for use with a transmission system, where the transmission system has a housing, an input driven by an engine and at least one rotating component, such as a shaft, located in the housing and driven by the input. The sensor is comprised of an actuator, which...	03/28/2006
6959631	Power tools Power tool 1 may include table 5 on which work W is positioned. A portion of a circular blade 3 protrudes above table 5. Circular blade 3 may be driven by a motor. The motor may be controlled by a control device 90. Work W i...	11/01/2005
6752253	Guard means for machines, more particularly pressbrakes, guillotines, stamping machines and the like A guard device for machines such as pressbrakes, guillotines, stamping machines and the like, in the case of which a first machine part performs working movements toward a second machine part. At least one photoelectric detector, more especially a laser photoelectri...	06/22/2004
6479772	Sealing machine having a safety shut off mechanism A safety shut off mechanism for a sealing machine includes a housing having a front board, and a door panel rotatably secured to the front board and rotatable between an outward position, an inner position, and an intermediate position. A switch member ma...	11/12/2002
6420974	Control system for pressure-sensitive protective devices A control for use with pressure-sensitive devices, such as in a machine-guarding application. A plurality of pressure-sensitive devices, such as pressure-sensitive safety mats, are operatively connected to produce a disable signal and a status signal. An ...	07/16/2002
6325195	Machine safety guard A machine safety guard unit system having a flexible panel moved upwards and downwards between track members with the system positioned between the operative parts of a machine and a machine operator, such panel when closed protecting the machine operator...	12/04/2001
6047634	Fail-safe automatic sliding operation control apparatus for press The present invention relates to a fail-safe automatic sliding operation control apparatus for a press. The entrance and withdrawal behaviors of an operator's hand relative to danger zones (D, DN) on a bolster of the press are detected by an ou...	04/11/2000
5950783	Self adjusting wrap spring clutch A self-adjusting wrap spring clutch has a spring overlying driving and driven arbors and in engagement with each. One end of the spring is loosely connected to a control collar, which surrounds the spring and at least a portion of each of the arbors, whil...	09/14/1999
5829568	Safety clamp A tube bending machine having a rotatable bend die, a pressure die, a clamp die, an actuator and a controller. A clamp assembly holds the clamp die and includes a base, a clamp die holder which is spring biased away from and slideably engageable with the ...	11/03/1998
5816585	Chuck element for machine tools with rotating jaw chuck 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...	10/06/1998
5689398	Redundant control relay circuits Improved redundant relay control circuits are set forth which prevent a load from being energized when any relay coil or contact or stop or start switch contact fails. A first circuit embodiment sets forth a plurality of branches with a cross-monitoring i...	11/18/1997
5675227	Device for maneuvering a radiology appliance A safety system including two command buttons (7, 8) spaced apart from one another geographically, and obliging an operator to use both his hands to control a radiology appliance, or one hand and a foot, is completed by a protocol including, on a single b...	10/07/1997
5611228	Pressing tool A pressing tool for coupling elements includes a forked receiver, a clamping claw which is interchangeably held in the receiver by a connecting pin, and a drive motor for the activation of the clamping claw. The connecting pin can be inserted through hole...	03/18/1997
5579884	Press brake safety apparatus A press brake safety apparatus for use on a press brake (10) of the kind having a moving blade (18) having a leading edge (36) and a platform (38) against which an item (42) may be pressed, the safety apparatus comprising at least one beam (26) of light m...	12/03/1996
5574437	Safety device for a printing machine This invention describes a monitoring device which monitors the safety of a printing machine. The printing machine has a drive, a control unit arranged upstream of the drive, command buttons which are connected to the control unit and via which the start-...	11/12/1996
5572075	Safety interlock apparatus A safety interlock apparatus which prevents a machine from operating whenever any of the interlocking conditions are not satisfied. The apparatus provides two levels of protection, where both levels must be satisfied before permitting power to be supplied...	11/05/1996
5570770	Apparatus, in particular an x-ray examination apparatus, with arrangement for collision protection An arrangement for collision prevention is provided for an apparatus, in particular an x-ray examination apparatus, having components that can be moved by drive means. A collision is detected by way of detecting the speed of a relevant moving part and det...	11/05/1996
5560466	Safety guard system for machine having a ram A safety guard system provided for a machine having a ram which is movable toward and away from a work zone and an actuator which is operable for driving the ram through a ram stroke toward the work zone. The safety guard system includes a safety guard mo...	10/01/1996
5526915	Safety switch assembly The safety switch assembly is designed to provide a switch assembly to a tool, such as a meat slicer, in order to prevent the operation of the tool without manually holding the pressure sensitive safety handle. The assembly contains a control box having a...	06/18/1996
5434457	Foot pedal safety switch and safety circuit A foot pedal safety switch and safety circuit for industrial machines which effectively precludes accidental operation of a machine and improper repetitive cycling of a machine. The foot pedal is completely enclosed within a rigid enclosure having an entr...	07/18/1995
5415263	Safety switch assembly The safety switch assembly is designed to provide a switch assembly to a tool, such as a meat slicer, in order to prevent the operation of the tool without manually holding the secondary switch and the depression of a button. The assembly contains a contr...	05/16/1995
5341036	Two hand operated machine control station using capacitive proximity switches A machine operator control station circuit which uses capacitive proximity switches to replicate the function of mechanical switches used in prior art control stations. A monitoring circuit for monitoring the "on" state of the capacitive proximity switche...	08/23/1994
5319250	Pushless run bar with electronics A two-hand operator's control station mounted on a common enclosure detects an operator's hands and provides output signals without requiring the operator to push buttons. Such control stations, called pushless run bars, are for use with automatic machine...	06/07/1994
5307916	Sensing device A sensing device for monitoring the presence of a tool or other object on an automatic machine comprises a sensing head adapted to be mounted on the machine. The sensing head has a sensing needle mounted on the output shaft of a reversible motor actuated ...	05/03/1994
5285721	Slide operation control device for a press The present invention is to provide a fail-safe slide operation control device for a press of simple structure when the electronic circuit by fail-safe signal processing as a circuit for monitoring overrun and confirming the OFF condition of an operation ...	02/15/1994
5272946	Safety control system for power operated equipment A safety control system for power operated equipment which ensures operator safety by immediately disconnecting the power drive from a power driven rotating member, such as a toothed feed shaft of a meat skinning machine or a moving blade of a band saw, a...	12/28/1993
5235217	Capacitive press control actuation system In a preferred embodiment, a capacitive switch system including two capacitive switches which must be activated nearly simultaneously to operate a piece of equipment. When one switch is touched, a timing function is activated. If a predetermined length of...	08/10/1993
5168173	Pushless two-hand run bar apparatus A two-hand operator's control station mounted on a common enclosure detects an operator's hands and provides output signals without requiring the operator to push buttons. Such control stations, called pushless run bars, are for use with automatic machine...	12/01/1992
5148053	Safety device for powered machinery This invention provides a safety device for powered machinery comprising a conventional wire mesh safety glove adapted for wearing by the machine operator. The machine with which it is used has a grounded frame, an electrical motor, a control switch, with...	09/15/1992
5047752	Safety system for a machine tool A safety system for a machine tools having a powered feed table in which ultrasonic transmitters and receivers are arrayed on the leading, trailing and lateral sides of the table establishing moving protected zones so that if an operator enters the zones,...	09/10/1991
5025175	Safety means for powered machinery This invention provides a safety means for powered machinery comprising a conventional wire mesh safety glove adapted for wearing by the machine operator. The machine with which it is used has a grounded frame, an electrical motor, a control switch with t...	06/18/1991
4914721	Safety device A safety device for an apparatus to be manipulated by an operator. The apparatus is connected via a supply line for a supply means to a supply means source. A handgrip is provided to be grasped by the operator for controlling the operation of the apparatu...	04/03/1990
4839533	Remote safety switch A foot operated safety switch, preferably including an electronic control reset circuit, is connected between a source of electrical current and the power cord of an electrically operated device having an on/off switch on it. The safety switch operates as...	06/13/1989

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Class 192/129A - Electrical