Did You Know...
...that it was melting ice cream that inspired the invention of the outboard motor? It was a lovely August day and Ole Evinrude was rowing his boat to his favorite island picnic spot. As he rowed, he watched his ice cream melt and wished he had a faster way to get to the island. At that moment the idea for the outboard motor was born!
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| Number | Title | Issue Date |
| 8106316 | Locking and operating system for generator circuit breakers A control unit for an electrical switching device comprises: a control shaft which is rotatable about a control axis for operating a moveable contact of the electrical switching device, a first blocking mechanism for the control shaft, which can be activated to bloc... | 01/31/2012 |
| 8039768 | Electrical switch with positive status indication An electrical switch includes a rotary switch actuator device, and an actuator locking device. The actuator locking device inhibits the rotation of the rotary switch actuator device when the contacts of the switch are closed. Only when the operator tries to open the... | 10/18/2011 |
| 7442888 | Safety lock for interlock switch A safety lock as taught herein comprises first and second members and is configured to lockably mount to an interlock switch. In one or more embodiments, the second member slidably couples to the first member and slides between a disengaged position that allows for ... | 10/28/2008 |
| 7432789 | Electromagnetic switching device An electromagnetic switching device includes an electromagnetic drive device and at least one electrical contact that, when a starting current is applied to the drive device, can be transferred by the drive device from a disconnect position (contact opened) into a b... | 10/07/2008 |
| 7405371 | Locking apparatus A locking apparatus for a manual actuation device of a switchboard plant has a trigger mechanism that is activated by an absence of a backup or a defective backup, and a locking mechanism for the manual actuation device. The locking mechanism is coupled to the trigg... | 07/29/2008 |
| 7399934 | External operation handle device An external operation handle device for a circuit breaker includes a rotary handle equipped with a handle lock lever, a drive mechanism linking the rotary handle and the locker handle of the circuit breaker, and a door lock lever for interlocking between the rotary ... | 07/15/2008 |
| 7394031 | Safety switch box for saw machine A saw switch box includes a supporting base resting on a switch platform, a switch shelter pivotally connected to the supporting base to define a sheltering cavity between the switch shelter and the supporting base for receiving a switch member, and a locking device... | 07/01/2008 |
| 7371980 | Apparatus and methods for securing switch devices Apparatus and methods for lockout of toggle switches, such as those toggle switches that include a captivating switch head (e.g., an enlarged and/or offset switch head) disposed on a cylindrical-shaped switch arm of the toggle switch. In one example, the apparatus a... | 05/13/2008 |
| 7345252 | Key switch A base head member has a cam body receiving portion in a center portion thereof, bridge portions are provided in both sides of the cam body receiving portion, a shaft bearing portion is provided in both the bridge portions, and the cam body is held in the base head ... | 03/18/2008 |
| 7301742 | Method and apparatus for accessing and activating accessory functions of electronic circuit breakers An electronic trip unit for a circuit breaker includes a programmed microprocessor and a module plug in removable signal communication with the microprocessor. The module plug includes a program identifier. The microprocessor recognizes the program identifier and ac... | 11/27/2007 |
| 7290416 | Engine switch device An engine switch device with improved convenience. The device starts and stops an engine. The device includes a key cylinder, which has a key slot, and a push button switch, which is pushed to stop or start the engine. The key slot is located in the center of the pu... | 11/06/2007 |
| 7227092 | Device for actuating an electric switching device with locking device An actuation device of an electric switching device includes a body onto which is mounted a rotary control handle and a device for locking the rotation of the control handle making it possible to lock the control handle when the latter is in the “Off” position. ... | 06/05/2007 |
| 7223929 | Front or side controlled electrical shutoff apparatus The present invention concerns a shutoff apparatus that can be controlled In either front or side mode, consisting of a minimum number of parts and resulting in a simple, economical, mechanically dependable, and compact unit. The shutoff apparatus (1) include... | 05/29/2007 |
| 7223928 | Switch with improved protection from ice conditions An arrangement is provided to protect an electrical switch from the deleterious effects of ice formation that inhibits switch operation. In a preferred arrangement, an ice shield is provided that protects the current-carrying contact structures and other operative e... | 05/29/2007 |
| 7186932 | Switch device When an operator applies a removing force to turn a switch portion b in a direction C2, a projection a4 abuts against a slope b71 so that the removing force as a reaction is applied to the slope. The removing force is divided into a component wo... | 03/06/2007 |
| 7138589 | Wireless device having a battery selectively activated A wireless device to be mounted on a license plate of an automobile is composed of a casing, components contained in the casing and an operating member inserted into the casing. A battery for supplying power to the components is selectively turned on or off by contr... | 11/21/2006 |
| 7126067 | Switch blocking apparatus A device to prevent inadvertent closure of switches. The device includes a horizontal blocking member and in some embodiments an optional vertical blocking member. The device attaches to a rotary element in communication with the switch such as an operating pipe and... | 10/24/2006 |
| 7071436 | Starter An electric starter for an internal combustion engine comprises a switch (1) connectable to the starter motor of the engine, an actuator (3) for actuating the switch, and a removable operating element (4) for operating the actuator. The actuator... | 07/04/2006 |
| 7038148 | Operating device of electronic apparatus An operating device of an electronic apparatus contains a rotatable operating knob protruding from a panel and stopper means for preventing the rotation of the operating knob. When the power of the electronic apparatus is turned off, the rotation of the operating kn... | 05/02/2006 |
| 7005590 | Electric panel with circuit breaker control gate and circuit breaker control method The main power service panel is provided with a special sliding gate on the face plate which can be selectively positioned to control the manual throw of adjacent circuit breaker handles for main and auxiliary power inputs fed thereto. The control is such that only ... | 02/28/2006 |
| 6989499 | Modular disconnect switch The invention relates to a modular disconnect switch (10) for use in an electrical enclosure cabinet (26) having a plurality of different operating mechanisms that can be assembled with the switch. These include, but are not limited to: a dial-type rat... | 01/24/2006 |
| 6949708 | Frictionally mounted utility switch box masking cover A switch and switch box masking cover is adapted for frictional mounting to the switch box when pressed into switch box in one orientation, and for frictional mounting to a toggle type of switch that is already mounted in the switch box, when the cover is pressed on... | 09/27/2005 |
| 6949711 | Selector switch knob with lock ring assembly A locking switch includes a shaft that engages one or more electromechanical switches and a knob that is secured to the shaft such that when the knob is rotated, a rotary motion is imparted to the shaft and to the electromechanical switches engaged by the shaft. The... | 09/27/2005 |
| 6946607 | Resistance assembly for hookstick operated switching assembly A resistance assembly having a resistance member prevents accidental movement of a hookstick operated switching assembly. A switch assembly of the hookstick operated switching assembly is mounted on a base. The resistance member includes a lever connected to the swi... | 09/20/2005 |
| 6946217 | Battery lock A battery lock (10) includes a block (20), a locking mechanism (40) and a key assembly (70). Rotating the proper key will rotate the key mechanism (40) and a sleeve (50) disposed around a shaft (41), permitting the bl... | 09/20/2005 |
| 6930262 | Safety switch box for saw machine A saw switch box includes a supporting base resting on a switch platform, a switch shelter pivotally connected to the supporting base to define a sheltering cavity between the switch shelter and the supporting base for receiving a switch member, and a locking device... | 08/16/2005 |
| 6864443 | Multipolar circuit-protection assembly for a collector rail system The invention relates to a multipole fused switch arrangement for busbar systems having at least two fused switch units (10) which each holds a fuse link (20), with the fused switch units (10) having a mounting and contact apparatus (11) ... | 03/08/2005 |
| 6861596 | Switch interlock apparatus A switch interlock apparatus for use with switch panels that have pairs of functionally related switches, in which the handles for the switches are mounted in tandem and aligned with their pivot axes parallel to and spaced apart from one another, in which one of the... | 03/01/2005 |
| 6855895 | Electrical lockout lanyard and method for assembly and installation A lanyard that is of simple construction and is made from insulated components so as to eliminate any possibility of accidental electrical shock. The lanyard when in the off mode insures that the on/off switch of an overhead disconnect outlet box cannot be accidenta... | 02/15/2005 |
| 6787721 | Safety switch of screwdriver A safety switch of a screwdriver has a driver body. The safety switch of a screw comprises a push unit; a trigger pivotally installed on the driver body; a receiving space being formed within the trigger for receiving the push unit; a safety rod; one end of the safe... | 09/07/2004 |
| 6759609 | Lockout for a rocker switch A switch lockout and rocker switch includes a switch cover, a rocker plate, a base, and a lockout slide. The rocker plate has opposite first and second ends, and is pivotally mounted to the cover. The rocker plate is thus pivotable about a pivot axis between opposit... | 07/06/2004 |
| 6727441 | Switch lever lock out assembly A switch lever lock out assembly engagable with a switch. The assembly includes a lock out body engageable with a switch to prevent operation of the switch. A lever engaging member is mounted to the body, and has a lock position and an unlock position. In the lock p... | 04/27/2004 |
| 6703572 | Anti-twist insert for circuit breaker handler accessory A switch-lock assembly for securing a circuit breaker in one of a plurality of circuit breaker positions, comprising a switch-lock attachment and an anti-twist insert. The switch-lock attachment includes a spring member adapted to engage a retaining area ... | 03/09/2004 |
| 6627816 | Device for preventing switch operation A device is provided for preventing accidental operation of a switch including a body having a surface with an opening and a cavity extending from the opening at an angle for receiving and releasably engaging the actuator member of a switch. With the swit... | 09/30/2003 |
| 6580041 | Circuit breaker safety clip and associated method A circuit breaker safety clip and associated method are provided to identify and secure circuit breakers in an open position. The safety clip securely engages a circuit breaker in an electrical panel such that the circuit breaker must remain in an open po... | 06/17/2003 |
| 6541717 | Locking assembly for a switch assembly A hookstick operated switch assembly includes a switch mounted to a support and movable between open and closed positions. An operating lever is connected to the switch for opening and closing the switch. A locking arm is positioned proximal the switch. A... | 04/01/2003 |
| 6423913 | Locking device for handle operating mechanisms A locking device for use on an electric disconnect switch having a handle operator assembly. The locking device includes a slide plate slidably positioned within the housing and a first lock arranged to engage said slide plate and secure the handle operat... | 07/23/2002 |
| 6404354 | Rotary controller for electrical or electronic apparatuses The invention relates to a rotary controller for electrical or electronic apparatuses (21, 22, 23), having a rotating knob (10). In order to offer the user a reference position of the rotating knob (10), with a simple design of the rotary controller, when... | 06/11/2002 |
| 6340966 | Clamping device for third-axis input device of mouse An improved clamping device for third-axis input device of mouse, comprises a hollow roller stage and a roller with a plurality positioning holes and pivotally arranged on the roller stage. The roller exposes out of the cover of the mouse. The roller stag... | 01/22/2002 |
| 6329615 | Device for interlocking the manual actuation of a switch with the help of locks An interlock device using locks to prevent manual actuation of a switch having a handle inlet, and to allow the switch to be actuated manually in a certain sequence of operations determined by using keys for the locks, thereby enabling the switch to pass ... | 12/11/2001 |
