| Patents for F16P 3 - Safety devices acting in conjunction with the control or operation of a machine; Control arrangements requiring the simultaneous use of two or more parts of the body (4,637) |
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| 11/07/1991 | DE4013994A1 Sealed tamper-proof swing door hinge - has interlock switches and uses grooved cam linked to tandem switches |
| 11/05/1991 | US5062668 Safety lock for the doors of electrical applicances |
| 10/31/1991 | WO1991016569A1 A safety device utilizing far infrared rays for use with a press |
| 10/17/1991 | DE4012227A1 Electronic control device for fork lift vehicle - uses detection of IR beam reflected by obstacle to initiate braking |
| 10/02/1991 | EP0449664A2 Press |
| 09/24/1991 | US5050271 Rotation and standstill responsive locking device for an access door of a textile machine |
| 09/17/1991 | US5050211 Safety interlock |
| 09/17/1991 | US5048410 Apparatus for securely clamping a transmission shaft of a transfer feed press during its shutdown |
| 09/12/1991 | DE4007271A1 Safety device for vehicle electric window or sunroof - uses optical fibre for evaluated light signal acted on by tensioning elements |
| 09/12/1991 | DE4007042A1 Safety system for blow moulding machine - transfers each completed moulding to final enclosure where hinged entry and outlet doors are automatically controlled by set programme |
| 09/11/1991 | EP0445860A2 Improvements in a control and safety system for electrically operated devices |
| 09/11/1991 | EP0445330A1 Medical apparatus provided with a part moved by servo-control in a direction having at least one degree of freedom with respect to a plane |
| 09/10/1991 | US5047752 Safety system for a machine tool |
| 09/05/1991 | WO1991013285A1 Industrial protection and safety system |
| 09/04/1991 | EP0444227A1 Safety device for printing machine |
| 09/03/1991 | US5044270 Shredder and compactor with protective guard |
| 08/29/1991 | WO1991013286A1 Detection system for safety equipment |
| 08/29/1991 | CA2076755A1 Detection system for safety equipment |
| 08/20/1991 | US5041056 Chop cutting apparatus |
| 08/14/1991 | DE4004353A1 Finger protection for motorised sliding roof or window in vehicle - using microprocessor operating on signals from detectors of wing drive position and approach of moving wing |
| 08/13/1991 | US5038488 Protective arrangement for a longitudinally extendible machine component |
| 08/08/1991 | DE4008717C1 Climbing section monitor for belt conveyor - uses antenna arrangement on pliable material mat arranged above conveyor at approach side |
| 08/06/1991 | US5037033 Removable interlock for food processor |
| 08/01/1991 | DE3940834C1 Machine safety monitor preventing unwanted running - has two different frequency generators at separate ends of safety current circuit controlling power relays |
| 07/31/1991 | EP0438997A2 Operating means for a machine |
| 07/25/1991 | DE4001561A1 Time-switched microwave equipment with electronic power controller - has opto-isolator in connection between time switch and mechanical switch operated by closure of door |
| 07/25/1991 | DE3250056C2 Safety system for hand-held power tool |
| 07/16/1991 | US5031360 Broken blade detector for semiconductor die saws |
| 07/11/1991 | WO1991010250A1 Safety circuit |
| 07/11/1991 | WO1991010247A1 Safety switches for safety covers or the like |
| 07/11/1991 | WO1991010221A1 Machine proximity sensor |
| 07/11/1991 | WO1991010092A1 A method and an arrangement for protecting a conductive object from damage by another moving object |
| 07/03/1991 | EP0435816A1 Bale opening machine with a security apparatus controlled by a sensor |
| 07/03/1991 | EP0435703A2 Safety device controlling the position of the material placed in a cutting machine |
| 06/27/1991 | WO1991009354A1 Protection device in automatic production equipments |
| 06/18/1991 | US5025175 Electroconducting surface |
| 06/18/1991 | US5024155 Finger protecting element for cylinder nip |
| 06/12/1991 | EP0432094A2 Process for controlling the operation of a hydraulic press |
| 06/11/1991 | US5023597 Detection apparatus for safety eyewear |
| 06/11/1991 | US5023444 Machine proximity sensor |
| 06/11/1991 | US5023418 Safety edge switch |
| 05/22/1991 | EP0428477A1 Fibre bale opener with a sensorial safety device |
| 05/16/1991 | DE4036465A1 Proximity control for servo operated vehicle winding - has three electrode structure with reference levels of proximity capacitances |
| 05/16/1991 | DE4010971C1 Combination electro-tool and suction appts. - has monitoring circuit connected to test circuit checking site of operating switch |
| 05/16/1991 | DE3937684A1 Roll gap safety system - for preventing operator injury in rubber industry |
| 05/14/1991 | US5015840 Self-checking light curtain system and method of operation |
| 05/14/1991 | US5014895 Button applicator with safety apparatus |
| 05/08/1991 | EP0425628A1 Safety bumper. |
| 05/07/1991 | US5012912 Safety interlock/latch assembly for a printing press |
| 05/07/1991 | US5012766 Protecting a power generated plant |
| 05/02/1991 | DE4033992A1 Movable actuator with key for door safety interlock - has two alternative configurations allowing for rotation of key through right angle about its longitudinal axis |
| 04/30/1991 | CA1283544C Industrial treatment machines with rotating vessel |
| 04/17/1991 | EP0423027A1 Security device activated by moving body, in particular security gate |
| 04/16/1991 | US5008530 Autocollimation light curtain |
| 04/11/1991 | DE4031348A1 Security switch for protective doors - has switch with apertures fully rotatable about switch axis |
| 04/10/1991 | EP0421048A1 Safety edge |
| 04/09/1991 | US5005295 Portable power driven tool |
| 04/03/1991 | EP0419833A1 Monitoring device |
| 03/20/1991 | EP0417800A2 Electronic safety circuit for a househould appliance driven by an electric motor |
| 03/14/1991 | DE3928984A1 Cover and fastening for shearing edges - is used on two relatively movable theatre stage sections, and consists of taut strip, limit switch and rods |
| 02/27/1991 | CN2072014U Double touch safety switch |
| 02/21/1991 | DE3927245A1 Protection unit for measuring machine setting unit - has protecting shield suspended elastically at all sides by four bar springs with shield fitted so that it can be pulled downwards |
| 02/20/1991 | CN2071745U Safety protecting device for pressure machine |
| 02/14/1991 | DE3926098A1 Starter switch for electrically driven appts. - has several handles, operatable in arbitrary sequence for switch-on step |
| 01/29/1991 | CA1279720C Safety floor and sweep with line power |
| 01/17/1991 | DE3922218A1 Safety system identifying persons by their heat radiation - self monitors evaluating circuit for detector, IR sensor(s), load relay and cable and plug connections |
| 01/15/1991 | US4984349 Method of and apparatus for emergency shutdown of production line |
| 01/10/1991 | DE3920111A1 Laser monitoring device for machine safety zone - uses successive reflection of laser beam to provide grid enclosing safety zone |
| 01/09/1991 | EP0260319B1 Device containing a force-imparting means and equipped with safety means |
| 12/13/1990 | DE3918673A1 Safety operating switch for Brinel testing machine - uses foot operated switch comprising proximity sensor for releasing machine function |
| 12/06/1990 | DE4016959A1 Personnel location system for underground mine |
| 12/06/1990 | DE4015797A1 Locking device for machine safety guard - uses sliding and rotatable switch shaft cooperating with magnet and switch device |
| 12/05/1990 | EP0400489A2 Locating system, in particular for underground working |
| 12/05/1990 | CN1010667B Safty rigid clutch press |
| 12/04/1990 | CA1277397C Intrusion detection system for operating industrial machines |
| 12/02/1990 | CA2018109A1 Locator system, in particular for underground mining |
| 11/29/1990 | WO1990014677A1 Safety bumper |
| 11/20/1990 | CA1276684C Personal safety radio device |
| 11/14/1990 | CN2065548U Protective device for closed pressing machine suspension rod |
| 11/01/1990 | WO1990013180A1 Safety switch assembly |
| 10/31/1990 | EP0395437A2 Chop cutting apparatus |
| 10/31/1990 | CN1046493A Stepless clutching safety device of rigid press and the installing method thereof |
| 10/30/1990 | US4965909 Safety control for power operated equipment |
| 10/24/1990 | EP0393907A1 Safety control unit |
| 10/24/1990 | EP0287484B1 Industrial treatment machines with a rotating tank |
| 10/18/1990 | DE3912141A1 Pressure load indicator with optical conductor - has multiple curves over its length tightened by applied pressure to increase optical damping |
| 10/17/1990 | EP0392200A1 Safety door latch for electrical appliances |
| 10/17/1990 | CA2014577A1 Handlebar control unit |
| 10/10/1990 | EP0391207A1 Button applicator with safety apparatus |
| 10/05/1990 | CA2013788A1 Apparatus for securely clamping a transmission shaft of a transfer feed press during its shutdown |
| 10/02/1990 | US4959906 Safety device for chain saws |
| 09/27/1990 | DE3909617A1 Run-on securing means for doors |
| 09/20/1990 | DE3907334A1 Verschlussvorrichtung fuer die tuer einer ballenpresse Closure device for the door of a baler |
| 09/13/1990 | DE3919167C1 Security indicating device, e.g. for storage room - has sensors at opposite ends of passageways to determine presence of vehicle or person, and activates alarm and lamp upon object device |
| 08/23/1990 | DE3905281A1 Protective device on machines provided with winding beams to be driven in rotation, especially on textile beaming machines |
| 08/23/1990 | DE3904983A1 Domestic appliance with a driven tool |
| 07/26/1990 | WO1990008333A1 Safety guard beam light switch |
| 07/26/1990 | DE3900733A1 Electronic tracking and rotational movement monitoring device, which is constructed on a basic apparatus and can be upgraded, for a protection device having normal and enhanced safety, consisting of EBKS-35 and EBKC-35 basic apparatuses and an EBKU-35 upgrade apparatus |
| 07/25/1990 | EP0379465A1 Fibre bale opener with a safety device |
| 07/12/1990 | DE3844687A1 Protection device for elongated machine parts |