| F | SK | SECTION F — MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING |
| F16 | KL | ENGINEERING ELEMENTS OR UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL |
| F16P | UKL | SAFETY DEVICES IN GENERAL |
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| F16P 1/00 | HGR | Safety devices independent of the control or operation of any machine (protective devices for the eyes or ears, worn on the body or carried in the hand, A61F 9/00, A61F 11/00) |
| F16P 1/02 | UGR1 | |
| F16P 1/04 | UGR1 | | . | Screens or hoods rotating with rotary shafts |
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| F16P 1/06 | UGR1 | | . | specially designed for welding |
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| F16P 3/00 | HGR | 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 (F16P 5/00 takes precedence) |
| F16P 3/02 | UGR1 | | . | Screens or other safety members moving in synchronism with members which move to and fro |
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| F16P 3/04 | UGR2 | | . . | for machines with parts which approach one another during operation, e.g. for stamping presses |
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| F16P 3/06 | UGR3 | | . . . | in which body parts of the operator are removed from the danger zone on approach of the machine parts |
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| F16P 3/08 | UGR1 | | . | in connection with the locking of doors, covers, guards, or like members giving access to moving machine parts |
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| F16P 3/10 | UGR2 | | . . | in which the operation of locking the door or other member causes the machine to start |
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| F16P 3/12 | UGR1 | | . | with means, e.g. feelers, which in case of the presence of a body part of a person in or near the danger zone influence the control or operation of the machine (F16P 3/08 takes precedence) |
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| F16P 3/14 | UGR2 | | . . | the means being photocells or other devices sensitive without mechanical contact |
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| F16P 3/16 | UGR2 | | . . | with feeling members moved by the machine |
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| F16P 3/18 | UGR1 | | . | Control arrangements requiring the use of both hands |
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| F16P 3/20 | UGR2 | | . . | for electric control systems |
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| F16P 3/22 | UGR2 | | . . | for hydraulic or pneumatic control systems |
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| F16P 3/24 | UGR2 | | . . | for mechanical controls |
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| F16P 5/00 | ZWE |
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| F16P 5/00 | HGR | Emergency means for rendering ineffective a coupling conveying reciprocating movement if the motion of the driven part is prematurely resisted |
| F16P 7/00 | HGR | Emergency devices preventing damage to a machine or apparatus (F16P 1/00, F16P 3/00, F16P 5/00 take precedence; indicating means, see the appropriate classes) |
| F16P 7/02 | UGR1 | | . | by causing the machine to stop on the occurrence of dangerous conditions therein (devices in bearings affected by abnormal conditions F16C) |
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