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| 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 |
| 7351948 | Safety system and method utilizing multiple laser beams for an industrial machine A method of operating a safety system for an industrial press having a moveable section and a stationary section, the safety system providing a plurality of continuous planar laser beams having a generally constant lateral width, each laser beam being spaced at vary... | 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 |
| 7299855 | Die casting reciprocator safety bar An automated reciprocator for applying lubricant to the cavity of a die casting system having a safety bar for preventing the reciprocator from injuring a person or damaging equipment which may be present in the reciprocator travel path. The safety bar is movably ca... | 11/27/2007 |
| 7290474 | System for rapidly stopping a spinning table saw blade A system for stopping a spinning table saw blade is comprised of a pin assembly disposed adjacent to a saw blade assembly for stopping a spinning saw blade. A receiving block is disposed on a side of the saw blade opposing the pin assembly for receiving the tip of t... | 11/06/2007 |
| 7286895 | Safety device and method for determining an overtravel in a machine A safety device for a machine has a first machine part for carrying out a working movement towards a second machine part. It also has at least a first and a second optical barrier moving along with the first machine part during the working movement. The first optica... | 10/23/2007 |
| 7281403 | Production device, in particular a folding press and a method for operating a production device The invention relates to a production unit (1), in particular a bending press, and a method of operating the latter in order to shape workpieces of sheet metal between two press beams (15, 16) equipped with bending tools (36, 37) and displaceabl... | 10/16/2007 |
| 7236849 | Safety system for power equipment Apparatus and method is disclosed for providing a safety system for power equipment comprising a machine having a lower tool, an upper tool, and a safety controller. The lower tool is electrically isolated from the reversible upper tool. A safety controller is coupl... | 06/26/2007 |
| 7211972 | Power tool with remote stop The present invention is directed to a power tool including a wireless remote stop for terminating the flow of electricity to an electric motor. The electric motor is configured for operating a working element assembly of a power tool, such as an arbor/circular saw ... | 05/01/2007 |
| 7171879 | Discrete proximity detection system A machine is described having at least one dangerous portion. The machine also includes a safety system to detect dangerous proximity between a person and the dangerous portion and perform a predetermined action to limit or prevent injury to the person from the dang... | 02/06/2007 |
| 7137326 | Translation stop for use in power equipment Woodworking machines are disclosed having cutting tools movable into a cutting zone for cutting workpieces. The machines include a detection system adapted to detect one or more dangerous conditions between a person and the cutting tool, and a reaction system adapte... | 11/21/2006 |
| 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 |
| 7114436 | Safety interlock and retraction mechanism for clinching, crimping, and punching presses A safety interlock and retraction mechanism for all types of presses comprising a sensing or activating valve which does not apply full force to a press ram until the ram displaces to the expected work material thickness and a pneumatically operated retraction mecha... | 10/03/2006 |
| 7080534 | Safety apparatus for a machine, in particular for a press brake The present invention relates to a safety apparatus for a machine such as a press brake. The machine has a first and a second machine part which perform a working movement towards each other. The first machine part has a leading edge in the direction of movement, an... | 07/25/2006 |
| 7064502 | Power tool with remote stop The present invention is directed to a power tool including a wireless remote stop for terminating the flow of electricity to an electric motor. The electric motor is configured for operating a working element assembly of a power tool, such as an arbor/circular saw ... | 06/20/2006 |
| 7059243 | Positive piece engagement indicator for marking tool A positive piece engagement indicator for marking tool is provided in which a metal workpiece is contacted with a workpiece contact probe for providing physical contact with, as well as electrical communication with the metal surface of a workpiece. A test voltage a... | 06/13/2006 |
| 7055417 | Safety system for power equipment Safety systems for power equipment are disclosed. The safety systems include a detection system adapted to detect contact between a person and a working portion of a machine, where the detection system is adapted to capacitively impart an electric charge on the work... | 06/06/2006 |
| 7055426 | Positive piece engagement indicator for marking tool A positive piece engagement indicator for marking tool is provided in which a metal workpiece is contacted with a workpiece contact probe for providing physical contact with, as well as electrical communication with the metal surface of a workpiece. A test voltage a... | 06/06/2006 |
| 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 |
| 7034929 | Protective apparatus for the monitoring of a protected zone to be moved with a component A protective device for securing to a component movable along a track and for the monitoring of a protected zone moving with the component includes a light transmitter for the radiation of a divergent transmitted light beam into a spatial zone containing the protect... | 04/25/2006 |
| 7013743 | Zero speed indicating devices and processes for testing same The subject invention is directed to methods, processes and decisions on test outcomes for testing for faulty, therefor dangerous, performance of zero speed indicators that are used to control the opening of barriers guarding moving machine components. The indicator... | 03/21/2006 |
| 6962290 | Bread maker and control method thereof A bread maker including a pair of kneading drums inside an oven compartment, to which are attached opposite ends of a mixing bag containing bread ingredients, the kneading drums reversing rotary direction periodically; a bar code scanner to read a bar code on the mi... | 11/08/2005 |
| 6948398 | Joystick with enabling sensors A multi-axis vehicle control device or “joystick” includes one or more sensors defining discrete sensor zones on the handle portion thereof. The sensors are operative to passively detect the presence of a person or object in the vicinity of the handle. Location ... | 09/27/2005 |
| 6919555 | Guard device for machines such as bending presses, cutting machines, stamping machines or the like A guard device for machines such as bending presses, cutting machines, stamping machines or the like, has a first machine part which performs operative movements toward a second machine part. A laser photoelectric detector arrangement is attached to the first machin... | 07/19/2005 |
| 6903327 | Laser guarded industrial press safety system A safety system for an industrial press having a moveable section (30), the safety means including: a laser emitting means (1) for emitting a continuous planar laser beam (9) having a generally constant lateral width; a light receiving means ( | 06/07/2005 |
| 6857249 | Safety catch device of sealing machine A safety catch device of a sealing machine has a baffle and a probe set. The baffle is pivotally arranged at the opening of the machine body. A conducting sheet is provided at the rear side of the baffle. The probe set has a first probe and a second probe, which are... | 02/22/2005 |
| 6758122 | Guard and control assembly for a compound miter saw A guard assembly for a compound miter saw includes an upper blade guard assembly, a lower blade guard assembly having a movable guard pivotally mounted in the upper blade guard assembly and a linkage assembly. The lower blade guard is pivotally mounted in the upper ... | 07/06/2004 |
| 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 |
| 6737765 | Punch and Press safety system A punch and press system includes a low voltage safety circuit and a high voltage control circuit. The high voltage control circuit is further divided into a high voltage low current region and a high voltage high current region. The high voltage low current region ... | 05/18/2004 |
| 6660993 | Safety apparatus and protection method for machines A safety apparatus and method for protecting an object entering into the path of a moving blade in a press brake (10) is provided, which includes laser emitters (22) and receivers (24) for mounting in fixed relationship to the leading edge (36) of the bla... | 12/09/2003 |
| 6316763 | Optical safety device for mounting on a moving member Safety apparatus and method for protecting an object entering into the path of a moving blade in a press brake (10). The apparatus includes laser emitters (22) and receivers (24) for mounting in fixed relationship to the leading edge (36) of the blade (18... | 11/13/2001 |
| 6148504 | Operator safety device for attaching apparatus A cycle of operation of an attaching apparatus begins with determining whether an operator's extremity is in an area in which it can be struck by a downwardly moving ram during attachment of two fasteners to each other and to a material therebetween. If i... | 11/21/2000 |
| 6148985 | Safety device on metal-forming machine tools The invention concerns a safety device on metal-forming machine tools, in particular on pneumatic pressing machines, used in the execution of short-stroke pressing processes, for preventing intervention in the danger zone during the tool working movement ... | 11/21/2000 |
| 6132134 | Power trowel handle mounted controls A power trowel handle has controls that permit electronically operating the functions of an engine on the power trowel from the handle. The engine includes a servo controlled carburetor which will permit injecting, upon initial closing, a circuit for star... | 10/17/2000 |
| 5921367 | Safety device for a kneading machine using rolls A safety device detects when a worker's hand enters a hazardous region between rollers of a kneading machine, and stops rotation of the rolls to prevent an accident. Each time the rollers are stopped, the orientation of photoelectric sensors is switched f... | 07/13/1999 |
| 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 |
| 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 |
| 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 |
| 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 |
