Bizarre Patents
A self defense weapon formed as a memo pad and which is easily held by a person's fingers, therefore making it possible to provide protection from a mugger and also to quickly and easily write a record or a message without failure of missing or forgetting significant information under a stressful situation.
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| Number | Title | Issue Date |
| 7518483 | Apparatus for the cutting of an electrical conductor An apparatus for the cutting of an electrical conductor has an electrical conductor arranged in a housing, a pyrotechnic drive and a cutting device. After the triggering of the drive, the cutting device enters into engagement with the conductor to cut it. ... | 04/14/2009 |
| 7362208 | Thermal pellet type thermal fuse In order to prevent erroneous operation caused by shrinking of a thermal pellet due to sublimation or softening of the thermal pellet when current is applied, a thermal pellet type thermal fuse includes a metal casing, a first lead and a second lead leading out from... | 04/22/2008 |
| 7330098 | Thermal fuse employing a thermosensitive pellet There is provided a thermal fuse employing a thermosensitive pellet that reacts to an operating temperature with limited variation, and operates with high precision and hence high reliability. To achieve this, the thermal fuse includes a switching function member in... | 02/12/2008 |
| 7323965 | Thermal fuse using thermosensitive material In the present invention, a physical and chemical property of thermosensitive material is noted in selecting and using thermosensitive material to provide a noble and improved thermal fuse using thermosensitive material. To achieve this object, the present thermal f... | 01/29/2008 |
| 7150228 | Gas pressure switch A gas pressure switch is provided for an ignition and safety system for ammunition. The switch includes a housing; a piston actuator within the housing, the piston actuator being displaceable from an idle position to a contacting position by propellant gases of the ... | 12/19/2006 |
| 6997090 | Safety systems for power equipment A saw with a safety system is disclosed. The safety system includes a detection system adapted to detect contact between a person and a blade while the blade is moving. The safety system further includes a brake system adapted to engage the blade and to stop the bla... | 02/14/2006 |
| 6556119 | High current intensity fuse device The invention relates to a device for isolating an electric circuit, especially for high current intensities, with a housing (1) in which is provided at least one electrical conductor element (3) which presents an isolating area (9) and which can be wired... | 04/29/2003 |
| 6388554 | Circuit breaker device A circuit breaker device including a first connection terminal, a second connection terminal, a heating portion electrically interconnecting the first connection terminal and the second connection terminal, and a claw lockingly engaged with the heating po... | 05/14/2002 |
| 5808253 | Circuit-breaking apparatus A circuit-breaking apparatus is formed of an insulating housing, first and second electrodes located at both ends of the insulating housing, a detonator located in the first electrode, a lead connected to the detonator for supplying an electric current to... | 09/15/1998 |
| 5276433 | Methods and apparatus for temperature sensing A temperature sensor has a flexible nylon tube connected by a fluid-tight coupling to a metal bellows within a metal housing. The interior of the tube and bellows is filled with a pressurized liquid whose critical temperature corresponds to a threshold te... | 01/04/1994 |
| 4825187 | Thermal cutoff A thermal cutoff including a dielectric bushing having opposite ends and a hole therethrough. A wire lead received through the hole has an enlarged contact thereon adjacent one bushing end, and an enlarged deformation thereon adjacent the other bushing en... | 04/25/1989 |
| 4514718 | Thermal cutoff construction, member therefor and methods of making the same A thermal cutoff construction, member therefor and methods of making the same are provided, the thermal cutoff construction having an electrical switching unit that changes its operating condition when the member therein melts by being heated to a certain... | 04/30/1985 |
| 4486736 | Thermal actuated cut-off link Apparatus and methods for assembling a thermally-actuated cut-off link having a casing, a closure, split along its length to form a slot, a power lead, one end of which extends from the casing through a neutral passage formed in the closure, the other end... | 12/04/1984 |
| 4401965 | Thermal switch A single use thermal switch having a tubular casing within which a mechanical isolation cage is axially movable. The cage is normally urged by a helical compression spring against a fusible pellet which melts at a temperature at which it is desired to dis... | 08/30/1983 |
| 4385216 | Circuit breaker devices with a pyrotechnically destructible conductor having a fuse system in parallel A pyrotechnical cartridge or motor (5) is actuated by electric firing from its head (5c), and pushes the insulating piston (3) which separates by shearing the intermediate connecting portion (1b) of the destructible conductor (1) and pushes it into the bo... | 05/24/1983 |
| 4384267 | Thermosensitive fuse A thermosensitive fuse includes a cylindrical metallic casing having one end closed and the other end opened. The closed end of the casing is connected with a first conductor that extends outwardly from the casing and the opened end is fittingly mounted w... | 05/17/1983 |
| 4366462 | Temperature safety switch A temperature responsive safety switch including an insulating housing provided with a recess, a pair of electrically conductive contact elements mounted in the housing and defining an electric current path extending through the housing, one of the contac... | 12/28/1982 |
| 4357589 | Temperature responsive electrical switch construction, parts therefor and methods of making the same A temperature responsive electrical switch construction having electrical contacts operated by a stem of a piston and cylinder type thermal device carried by the construction, the contacts comprising a plurality of pairs of cooperating contacts arranged t... | 11/02/1982 |
| 4356469 | Electrical terminal with thermal interrupter A temperature responsive terminal pin construction having an aligned pair of terminal pin parts inserted in the opposite ends of a casing with the inner ends of the pin parts in spaced apart relation, a split ring collet surrounding the pin parts, the col... | 10/26/1982 |
| 4352082 | Thermal fuse A one-piece wire lead has intermediate its ends a thin, flattened section which is seated against a recessed die surface that is formed on one end wall of a hermetically sealed chamber in a preferably transparent, paraboloidally-shaped plastic housing. Th... | 09/28/1982 |
| 4344061 | Temperature-sensitive fuse A temperature-sensitive fuse comprises a first electric conductor electrically connected to one end of an electrically conductive casing; a second electric conductor which is connected to the other end of the casing in such a manner so as to be electrical... | 08/10/1982 |
| 4342981 | Thermally actuatable electrical switch construction, conductive lead therefor and methods of making the same A thermally actuatable electrical switch construction having a housing carrying an electrically insulating end plug provided with an opening passing therethrough and in which a portion of a conductive lead is disposed so that opposed ends of the lead exte... | 08/03/1982 |
| 4342980 | Thermally actuatable electrical switch construction, conductive lead therefor and methods of making the same A thermally actuatable electrical switch construction having a housing carrying an electrically insulating end plug provided with an opening passing therethrough and in which a portion of a conductive lead is disposed so that opposite ends of the lead ext... | 08/03/1982 |
| 4342982 | Thermally actuatable electrical switch construction, conductive lead therefor and method of making the same A thermally actuatable electrical switch construction having a housing carrying an electrically insulating end plug provided with an opening passing therethrough and in which a portion of a conductive lead is disposed so that opposite ends of the lead ext... | 08/03/1982 |
| 4326186 | Off-centered hour glass shaped coil spring and thermal switch incorporated into same An off-centered hour glass shaped coil spring, having a particular utility in thermally responsive switches to bias a sandwich of switch forming elements including a pellet of meltable material and comprising outermost spiral turns which are the coils of ... | 04/20/1982 |
| 4322705 | Thermal cutout fuse A thermal cutout fuse comprises a fuse housing, a first lead wire penetrated into the housing interior, a movable contact capable of being turned aslant in the radial direction and energized constantly in the horizontal direction, the movable contact conn... | 03/30/1982 |
| 4314224 | Thermally actuatable electrical switch construction and method of making the same A thermally actuatable electrical switch construction having a resilient contact member normally biased into electrical contact with a stationary contact member while a temperature sensitive member of the construction is in a solid condition and normally ... | 02/02/1982 |
| 4309685 | Thermally actuatable electrical switch construction and method of making the same A thermally actuatable electrical switch construction having a resilient contact member normally biased into electrical contact with a stationary contact member while a temperature sensitive member of the construction is in a solid condition and normally ... | 01/05/1982 |
| 4281308 | Thermal switch with split ring construction The thermal switch of the present invention relates to thermal switches in which an organic pellet melts at a predetermined temperature which thereby allows the switch to change from a closed to an open state. More particularly, the switch is of the axial... | 07/28/1981 |
| 4281309 | Thermally actuated cut-off link or switch and method of making the same An ambient thermally actuated switch comprises a power lead extending longitudinally into and insulated from one end of a metal casing. The power lead made of a soft low resistance material like copper is bifurcated at its inner end to form outwardly incl... | 07/28/1981 |
| 4275432 | Thermal switch short circuiting device for arrester systems Gas filled surge arrester is equipped with a thermally responsive short circuit switch for overload protection and air gap shorting for back up overload protection. The switch and air gap device is disclosed in three orientations; namely, separate and ext... | 06/23/1981 |
| 4246561 | Temperature-responsive electrical switch with sliding contact A temperature-responsive electrical switch is provided which has a pair of axial leads, one of which is connected to the cylindrically-shaped electrically conductive housing, and the other of which passes through an insulator into the interior of the hous... | 01/20/1981 |
| 4246564 | Method of assembling a normally closed thermally actuated cut-off link and the link made thereby A method of assembling a normally-closed ambient thermally actuated switch comprises assembling into the open end of a casing a sandwich of elements including a meltable pellet, one or more springs, a backing member and a contact arm-deforming member whic... | 01/20/1981 |
| 4196636 | Mechanism control device A control apparatus is disclosed for regulating the movement of a control stem which is biased in a given direction. The apparatus comprises a housing forming a chamber and a plurality of passages. The chamber receives the control stem in its direction of... | 04/08/1980 |
| 4169254 | Thermally activated emergency electric switch The manually actuable electric switch has a fusible element which melts on subjection to a predetermined temperature to discontinue the flow of electric current through the switch. The structure is incapable of operation on melting of the fusible element ... | 09/25/1979 |
| 4127839 | Thermal switch Conductive caps are respectively put on both ends of an insulating cylindrical member and a pair of cup-shaped contactors are disposed in the insulating cylindrical member in a manner to be movable relative to each other. A repulsive force is provided by ... | 11/28/1978 |
| 4126845 | Temperature responsive current interrupter A temperature responsive current interrupter in which two conductors are connected by electrically conductive, low-melting-point fusible elements respectively mounted on the conductors and a connector element interconnecting the fusible elements and urged... | 11/21/1978 |
| 4109229 | Thermally actuatable electrical switch subassembly thereof A thermally actuatable electrical switch construction having a deformable contact member normally disposed in electrical contact with a stationary contact member while a temperature sensitive member of the construction is in a solid condition and being de... | 08/22/1978 |
| 4099155 | Gas actuated high voltage bushing An electrical connector system including a cable terminator having a conductive probe and a bushing having a bore contact mounted for reciprocal movement in an electrically conductive tubular member and a fusible member positioned between the bore contact... | 07/04/1978 |
| 4085397 | Electrical switching device for thermal and overvoltage protection A normally open temperature sensitive electrical switching device includes a heat fusible electrically conductive pellet which melts and provides an electrically conductive path through the switching device at a predetermined temperature level and, furthe... | 04/18/1978 |
