1
Lokey Robert C: Automatic safety brake for rotary blade equipment. Lokey Tool, January 15, 1974: US3785230 (177 worldwide citation)

An automatic safety brake for rotary blade equipment in which a capacitance proximity sensor utilizes the spinning blade as an antenna so that when any portion of the body of the user approaches the blade to closely a cam brake will be instantaneously actuated to stop the rotation of the blade befor ...


2
Verdun Pierre: Apparatus for preparing food. Parmelee Johnson & Bollinger, July 1, 1975: US3892365 (112 worldwide citation)

This apparatus for preparing food comprises interchangeable tools adapted to be operatively connected to the rotary shaft of a driving motor disposed in casing underlying the working bowl. This bowl is detachably mounted on top of said casing and comprises on its outer peripheral wall a substantiall ...


3
Friemann Wolfgang, Proschka Josef: Protective circuit arrangement for band cutter machines. Adolf Riedl OHG, Browdy and Neimark, December 31, 1974: US3858095 (111 worldwide citation)

A protective circuit arrangement for a motor driven band cutter machine, wherein the band cutter is electrically insulated from the rest of the machine and is connected as capacitance in a bridge circuit which is balanced during normal operation and which when unbalanced provides an output signal by ...


4
Timothy J McCullough, David A Masters: Safety control system for power operated equipment. Food Industry Equipment International, Michael Sand Co, December 28, 1993: US05272946 (100 worldwide citation)

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, and then positively stops and then reverses th ...


5
Gerald N Dubois III: Safety means for powered machinery. Townsend Engineering Company, Zarley Mckee Thomte Voorhees & Sease, June 18, 1991: US05025175 (91 worldwide citation)

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 the electrical motor being connected to a sour ...


6
Timothy J McCullough, Giorgio Grasselli: Control and safety system for electrically operated devices. Michael Sand Co, March 30, 1993: US05198702 (90 worldwide citation)

A control and safety system for electrically operated devices with a cutting tool (9) connected to a reversible electric motor (88), and control means for halting and reversing the movement of said motor comprises a pair of electrically conducting gloves (A) and (B) adapted to be worn by the operato ...


7
Peter Joseph E: Safety guard for a breaking saw. Best & Donovan, Wood Herron & Evans, April 23, 1974: US3805639 (90 worldwide citation)

A safety guard for a breaking saw that automatically closes to protect the entire periphery of the saw's circular blade as soon as the saw's power is cut off, and that automatically opens to expose the saw's circular blade for cutting as soon as the saw's power is turned on.The safety guard structur ...


8
Larry L Anderson, Lawrence W Shumaker, Russell J Van Rens: Circuit for a power operated machine. Outboard Marine Corporation, Michael Best & Friedrich, April 1, 1980: US04195722 (89 worldwide citation)

A circuit interconnecting a source of electrical energy with a power operated machine. The circuit comprises an interlock device including a motion switch which is adapted to be removably attached to the machine operator's body. The motion switch is movable between a normally deactivated position to ...


9
Gerald N DeBois III: Safety means for powered machinery. Townsend Engineering Company, Zarley McKee Thomte Voorhees & Sease, April 13, 1993: US05201684 (81 worldwide citation)

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 the electrical motor being connected to a sou ...


10
Croguennec Jean: Method and device for protecting a sheet metal working machine by means of a laser beam.. Erpic, June 26, 1985: EP0146460-A2 (81 worldwide citation)

1. Method for protecting, by means of a laser beam, a sheet metal working machine, such as a bending press, a shearing machine, a rolling machine or other like machine, comprising a tool (3) vertically mobile in the direction of the sheet metal in abutment on a support, in which the safety height wh ...



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