Did You Know...
...Daniel Webster invented a "bull plow" to pull out tree stumps. It didn't catch on because it was huge and required four oxen to pull it!
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| Number | Title | Issue Date |
| 7851716 | Detection device and seat comprising one such device A detection device comprises a case formed by at least a first and second part able to move with respect to one another between a first and second operating position. Said device comprises an electric contact comprising at least two electric states, closed or open, ... | 12/14/2010 |
| 7323638 | Wall box receptacle with modular plug-in device A modular wiring system including a wall box receptacle device. The system includes a wiring interface disposed on a first side and electrically coupled to a plurality of receptacle openings disposed on a second side. An adjustable support assembly includes a retain... | 01/29/2008 |
| 7297888 | Food slicer with a safety switch A food slicer has a housing with a first push-button for actuating an electric switch for operating the cutting blade and a second push-button, i.e., a safety button, locking the first push-button against actuation. The second push-button actuates a mechanical lock ... | 11/20/2007 |
| 7262376 | Circuit breaker lockout device A lockout device for securing a toggle switch. The lockout device includes a body, a first clamping surface, a second clamping surface, and a cam. The first clamping surface and the second clamping surface are moveably coupled to the body and are positioned to defin... | 08/28/2007 |
| 7256726 | Method of disabling the keyboard keys of a command-emitting device The invention relates to a method of disabling the keyboard keys of a command-emitting device. The inventive method is characterised in that it comprises repeated iterations of the following steps: the automatic disabling of at least some keys on the command-emittin... | 08/14/2007 |
| 7137178 | Protective device for vehicle seat belt latch release A protective device for a latch release actuator of a vehicle seat belt. The protective device comprises a shield having an aperture. The shield is attachable to a latch body such that the shield substantially surrounds the latch release actuator and the aperture is... | 11/21/2006 |
| 7057127 | Safety electric switch A safety electric switch in which a safety plate is insertable through a button into an actuating member to lock the actuating member to the button for enabling the actuating member to be moved with the button to switch on/off the electric circuit. ... | 06/06/2006 |
| 7050818 | Location based service request system A wireless phone based system to accommodate users of wireless phones for providing information as to the location of certain services such as gasoline stations, movie theatres, drug stores, etc., includes the utilization of a GPS receiver and a wireless phone, with... | 05/23/2006 |
| 6974925 | Sabbath switch cover for appliances A Sabbath Switch Cover that easily mounts with adhesive film inside any major kitchen appliance directly adjacent to the switch housing, and which incorporates a self-adhesive cover plate and a slide member that can be urged in or out of the cover plate, thereby sel... | 12/13/2005 |
| 6972387 | Padlockable push-button Maintained contact push-button, particularly an emergency stop button, provided with a padlocking accessory. The button has a barrel and a movable head. The accessory has a sleeve fixed with respect to the barrel and having an inner shape matching the upper p... | 12/06/2005 |
| 6943306 | Interlock mechanisms The present invention provides an interlock mechanism suitable for use with a blower-vacuum device, which comprises: a user-operable switch (30) having a first condition for activating a motor of said blower-vacuum device and a second condition for deactivati... | 09/13/2005 |
| 6844512 | Circuit breaker lock-out assembly A circuit breaker lock-out assembly which is engageable with a circuit breaker includes a body having a top and a bottom joined by walls. The walls define a passageway extending from the body top to the body bottom. A button having one end extending into the body pa... | 01/18/2005 |
| 6832927 | Low profile PCI hot plug actuator assembly A low profile actuator assembly for controlling PCI card removal from the chassis bay of a hot pluggable computer. The assembly includes a housing, a switch and a latch body. The housing is adapted for mounting to the bay and is defined by a top, bottom, and a front... | 12/21/2004 |
| 6831226 | Device for providing access to electrical connections to enclosure A device for providing access to at least one power connection within an enclosure is disclosed. The device includes an assembly adapted for mounting to the enclosure and having an inside face and an outside face opposite the inside face for being inside the enclosu... | 12/14/2004 |
| 6710695 | Aircraft circuit breaker with manual opening resistant feature A pushbutton resettable circuit breaker is shown having features to prevent manual opening by simply pulling outwardly on the pushbutton. In one embodiment, the pushbutton (16) is formed with slots (16b) which are configured to provide a reactio... | 03/23/2004 |
| 6700062 | Device for providing access to electrical connections to enclosure A convenience interface device for providing access to at least one power connection within an enclosure, is disclosed. The device includes an assembly adapt for mounting to the enclosure and having an inside face and an outside face opposite the inside f... | 03/02/2004 |
| 5949039 | Service door interlock An interlock switch access control apparatus controls access to an interlock switch (12) positioned in a cavity (14) in a housing (16). The interlock switch access control apparatus includes a plate (32) for sliding above the cavity (14) in a slot (30) in... | 09/07/1999 |
| 5945645 | Activation device for an electrical appliance such as a circuit-breaker-motor An activation device with a start button and an emergency stop button for an electric appliance such as a circuit breaker equipped with a start control device and a stop control device with alternating movements. Also included is a disengageable transmiss... | 08/31/1999 |
| 5936214 | Apparatus for restricting operation of push buttons on electric switching apparatus Access is restricted to the push buttons on electrical switching apparatus by a device which includes panel members hingedly mounted in a frame secured to the switch over the push buttons. The panels can be locked in the closed position over the respectiv... | 08/10/1999 |
| 5855082 | Switch guard for an iron A guard (22) that prevents damage or breakage to a device, for example, an electrical switch mechanism's housing (12) and its components associated with an iron (10). The guard (22) embraces the housing (12), being securely mounted with the housing (12) t... | 01/05/1999 |
| 5401904 | Cover assembly for a wall mounted pushbutton control unit A cover assembly, for a wall-mounted pushbutton control unit, which normally overlies an array of pushbuttons, and is designed to prevent deliberate, or accidental, actuation of the pushbuttons, is described. The cover assembly, includes a wall plate, att... | 03/28/1995 |
| 5385417 | Key cover for individual key of computer keyboard A cover is disclosed that can be easily and quickly positioned over a single key on a keyboard. The cover has pressure sensitive adhesive on its feet for securely affixing the cover to the housing of the keyboard such that the cover is maintained in place... | 01/31/1995 |
| 5380964 | Switch assembly A control switch assembly includes a housing having a base with an opening and a pair of side walls on opposite sides of the opening. An actuator member is rotatably mounted in the opening and has a body which forms a pocket. The pocket is open at one end... | 01/10/1995 |
| 5154282 | Electrical contactor for a pneumatic brake booster The invention relates to an electrical contactor intended to be connected to an electrical brake warning circuit and to be mounted with sealing engagement in an orifice (5) in a rear wall (1) of a pneumatic brake booster housing divided into a front chamb... | 10/13/1992 |
| 5150913 | Finger operated button activating wireless transmission path for effecting voluntary release of a ski binding A ski binding comprising a release mechanism controllable voluntarily through a wireless transmission path and releases a lock of a jaw of the binding, which transmission path is controlled by a manually operable switch. To avoid an undesired release of t... | 09/29/1992 |
| 5096317 | Computer key cover apparatus A cover apparatus including a transparent housing overlying a computer keyboard, wherein the cover apparatus includes a plurality of forward and rear side walls defining rows of openings, wherein each row of openings is arranged overlying rows of computer... | 03/17/1992 |
| 5039829 | Push-pull switch and lock therefor The invention is an assembly of a push-pull switch and a device to selectively limit the action of the push-pull switch. The switch has a body, a plunger translatable into or from the body, and a round head on the plunger. The switch opens or closes depen... | 08/13/1991 |
| 5021616 | Switch cover A power switch cover having an elongate base member with a track formed therein and adapted to support a sliding member which includes an end portion to protect a recessed switch. The switch is accessible through the base member and once turned on is prot... | 06/04/1991 |
| 4994636 | Electrical control device A control including an activator for effecting a control function; an actuator coupled to the activator and movable in a reciprocating path to control operation thereof; an operator coupled to the actuator and adapted for manual manipulation between activ... | 02/19/1991 |
| 4876425 | Light switch and outlet guard A protective guard for use with a wall-mounted light switch in order to keep the light switch in the desired "on" or "off" state. The guard is a pivotal arm having at one end an opening for receiving one of the mounting screws of the light switch, by whic... | 10/24/1989 |
| 4820887 | Membrane keyboard blockout apparatus A membrane keyboard blockout apparatus for a keyboard having an array of a plurality of flexible key members in respective ones of a plurality of apertures arranged in a grid forming the keyboard includes a cover plate dimensioned to span a flexible key m... | 04/11/1989 |
| 4733035 | Switch with device for preventing erroneous operation A switch operating member is provided in an opening at the upper portion of a switch housing, and a rotary knob has a cylindrical portion arranged about the operating member. A restoring spring has one end thereof engaged with the switch housing and has i... | 03/22/1988 |
| 4726063 | Telephone lock The present invention provides an automatic lock for use on a telephone, and comprising a main body for securing to the phone, a slide member slideably mounted in the main body and a spring pressuring the slide member to automatically slide to a locking p... | 02/16/1988 |
| 4713509 | Palm switch actuator and latch A combination actuator and guard for palm switches of the type conventionally used to initiate the cycle operation of hydraulic presses and like machines comprising a hand-lever pivotally mounted on a frame that is adapted for mounting on the machine at t... | 12/15/1987 |
| 4704504 | Pinching deactivator for automobile electric switches A deactivator for an automobile electric switch having a depressable, spring button projecting from a sleeve which extends through an opening provided in an automobile door frame and a nut mounted on the sleeve. The deactivator includes a pair of resilien... | 11/03/1987 |
| 4631373 | Push-button switch locking device for use in electric appliance A push-button switch locking device for use in an electric appliance including a casing, a push-button and a switch. The device includes a sliding knob which is mounted on the casing so as to be slid in a direction at right angles to a direction of depres... | 12/23/1986 |
| 4504707 | Push-button switch locking device for use in electric appliance A push-button switch locking device for use in an electric appliance including a casing, a push-button and a switch. The device includes a sliding knob which is mounted on the casing so as to be slid in a direction at right angles to a direction of depres... | 03/12/1985 |
| 4496811 | Foot switch safety enclosure A safety enclosure for enclosing a foot operated switch so as to prevent accidental actuation of the switch. The enclosure is open at the top and includes upstanding walls within which the switch is mounted. One of the walls is pivotally movable by a posi... | 01/29/1985 |
| 4464549 | Digital switch Disclosed is a digital switch which is manually rotated step by step and which comprises a casing, a wheel rotatably supported in the casing, device for manually rotating the wheel step by step, an electrical contact carried by the wheel, an electrical ci... | 08/07/1984 |
| 4306131 | Solid state touch control snap switch A switch, typically one used as a wall switch for the control of lighting in residences and commercial establishments, has a handle which is operable between a full off position in which the switching circuit is completely disconnected from a source of el... | 12/15/1981 |
