Abstract: A telescopic baton is provided. The telescopic baton comprises a plurality of tubes sequentially arranged in an embedded manner, wherein a tube on an inner side of two adjacent tubes in the plurality of tubes is capable of extending and withdrawing along an axis direction of a tube on an outer side of the two adjacent tubes, a locking groove is formed in an inner wall of a first end of the tube on the outer side; a blade cam locking assembly, which comprises a socket sleeve, a plurality of blade cam blocks, a torsional spring and a fixing mechanism, wherein both extended ends of the torsional spring are respectively abutted against the socket sleeve and the blade cam block; an unlocking structure, which is mounted inside a tube on an outermost side of the plurality of tubes, and is used for unlocking the blade cam locking assembly.

Abstract: Some embodiments of the disclosure provide an expandable baton, which includes a plurality of sleeves, a positioning ring, a plurality of locking pieces and an unlocking rod, wherein the plurality of sleeves are retractably disposed in sequence in a nesting manner; the positioning ring is provided with an avoiding hole; the plurality of locking pieces are disposed at intervals around a peripheral side of the positioning ring and enclose an avoiding space, first axial ends of the plurality of locking pieces extend into the sleeve positioned on an inner side, and second axial ends of the plurality of locking pieces extend out of the sleeve positioned on the inner side and are stuck in a sleeve, positioned on an outer side, of the two adjacent sleeves to lock two adjacent sleeves in an extending state.

Abstract: An expandable baton includes a first tube; a second tube disposed in the first tube; at least one lock mechanism disposed on a first end of the second tube, clamped to an inner surface of the first tube and including a locking pipe, two lock protuberances and two elastic members, the lock protuberances correspondent to each other and the elastic members disposed between the two lock protuberances; a release mechanism including a lock needle and a pushbutton, a pressing of the pushbutton moves the lock needle to insert into the lock mechanism, the lock protuberances depart from the first tube simultaneously and urge the elastic members to an unlocked position, without a pressing of the pushbutton, the restored elastic members enable the lock protuberances to a locked position; and a positioning member for limiting the release mechanism at a first end of the first tube.

Abstract: An apparatus including a plurality of coaxially nesting tubes, a stowed position and extended position, a respective spring-loaded retainer located on a first end of at least some of the tubes, an outer edge of the retainer is coupled to a control aperture that retains the outer edge coincident with an outside annular edge of the respective tube and wherein release of the control aperture causes a spring to urge the outer edge radially outwards into the recess of the second end of the next adjacent outside tube and a rod having a control button on one end and a tapered tip on the opposing end, the rod is located inside and coaxial with the tubes with the button external to the tubes, the rod disengages the control aperture during deployment thereby causing the control button to abruptly pop outwards from the end of the outer most tube.

Abstract: An apparatus including a plurality of coaxially nested tubes, a respective spring-loaded retainer located on a first end of some tubes, each retainer having an outer edge wherein release of the control aperture causes a spring of the retainer to urge the outer edge radially outwards into the recess of the second end of the next adjacent outside tube; and a control rod having a button on one end and a tapered tip on the opposing end, the control rod engages the control aperture of each of the tubes in the stowed position to retain the outer edge of the respective retainers in the retracted position and as the plurality of tubes are extended, the tapered end of the control rod disengages the control aperture thereby causing the button to abruptly pop outwards from the marginal edge of the outer most tube.

Abstract: A police baton including an outer tube and an inner tube connected in a telescoping manner, and clutch locking and releasing mechanisms provided at first ends of the inner and outer tubes respectively. When the inner tube is moved outward of the outer tube until the first end of the inner tube presses against a second end of the outer tube, a clutch locking block of the clutch locking mechanism moves laterally outward due to an elastic force and is embedded into a retaining groove on the outer tube, thereby forming a long stick. When a releasing shaft of the releasing mechanism is inserted into a releasing groove on the clutch locking block, the clutch locking block is moved laterally inward and released from the retaining groove, thereby allowing the inner tube to move toward the outer tube for forming a short stick.

Abstract: An apparatus including a plurality of coaxially nested tubes, a respective spring-loaded retainer located on a first end of some tubes, each retainer having an outer edge wherein release of the control aperture causes a spring of the retainer to urge the outer edge radially outwards into the recess of the second end of the next adjacent outside tube; and a control rod having a button on one end and a tapered tip on the opposing end, the control rod engages the control aperture of each of the tubes in the stowed position to retain the outer edge of the respective retainers in the retracted position and as the plurality of tubes are extended, the tapered end of the control rod disengages the control aperture thereby causing the button to abruptly pop outwards from the marginal edge of the outer most tube.

Abstract: An apparatus including a plurality of coaxially nesting tubes, a stowed position and extended position, a respective spring-loaded retainer located on a first end of at least some of the tubes, an outer edge of the retainer is coupled to a control aperture that retains the outer edge coincident with an outside annular edge of the respective tube and wherein release of the control aperture causes a spring to urge the outer edge radially outwards into the recess of the second end of the next adjacent outside tube and a rod having a control button on one end and a tapered tip on the opposing end, the rod is located inside and coaxial with the tubes with the button external to the tubes, the rod disengages the control aperture during deployment thereby causing the control button to abruptly pop outwards from the end of the outer most tube.

Abstract: An expandable baton assembly has an outer baton section which received an intermediate baton section and an inner baton section telescopically received therein such that an overall length between two opposing working ends of the assembly can be extended for use and retracted for storage. Each of the two opposing ends is suitably arranged as both a hand grip and a striking portion such that the assembly is reversible between two different working orientations having different characteristics. The assembly can be retained in the retracted position by frictional engagement of the grip at the working end of the inner baton section within the open inner end of the outer baton section.

Abstract: A lightweight plastic baton includes a hollow cylindrical body which telescopically supports a flexible cylindrical plastic baton shaft. One or more slideways support and concentrically center the baton shaft within the hollow body. A flashlight having a strobed light operating mode is coupled to the baton body to provide a less than lethal deterrent to a potential assailant. A radially movable elastic switch cover is mounted substantially flush with the outer surface of the flashlight to prevent inadvertent actuation of one of several selectable flashlight operating modes.

Abstract: An expandable or telescoping police baton embodies a cylindrical sleeve within which is slidably disposed cylindrical shaft. The sleeve and shaft are aligned with a slot and a pin to prevent rotation of the shaft within the sleeve. The baton also includes a shock absorbing assembly positioned on the shaft.

Abstract: The present invention is to provide a police baton including an outer tube and an inner tube connected in a telescoping manner, and clutch locking and releasing mechanisms provided at first ends of the inner and outer tubes respectively. When the inner tube is moved outward of the outer tube until the first end of the inner tube presses against a second end of the outer tube, a clutch locking block of the clutch locking mechanism moves laterally outward due to an elastic force and is embedded into a retaining groove on the outer tube, thereby forming a long stick. When a releasing shaft of the releasing mechanism is inserted into a releasing groove on the clutch locking block, the clutch locking block is moved laterally inward and released from the retaining groove, thereby allowing the inner tube to move toward the outer tube for forming a short stick.

Abstract: A lightweight plastic baton includes a hollow cylindrical body which telescopically supports a flexible cylindrical plastic baton shaft. One or more slideways support and concentrically center the baton shaft within the hollow body. A flashlight having a strobed light operating mode is coupled to the baton body to provide a less than lethal deterrent to a potential assailant. A radially movable elastic switch cover is mounted substantially flush with the outer surface of the flashlight to prevent inadvertent actuation of one of several selectable flashlight operating modes.

Abstract: A multi-section locking baton includes a manually actuatable release rod extending axially through outer, middle and inner tubes for unlocking first and second cam joints between the tubes. The release rod includes a tip having three sections, including an outermost or distal section that increases in diameter as measured in a direction moving away from the distal end of the tip; an intermediate section that is the widest section of the tip and that has a plurality of relief openings formed in as outer surface; and a proximal section that tapers from the intermediate section to a narrower diameter at the proximal tip end where it is secured onto the release rod. A portion of the release rod tip is located in one of the cams when the baton is in the extended condition. The baton also includes bushings on the inner diameters of the outer and middle tubes, and wear rings on the outer diameters of the middle and inner tubes.

Abstract: A grip attachment with LED light or optional mirror adapted for attaching to one end of an expandable baton. The end of the baton has threads thereon. The grip attachment includes a grip body with a hand grip surface. The grip body having a center hole therethrough for receipt around the threaded end of the expandable baton. The grip body also includes an annular ring or tabs disposed around an inside circumference of the center hole. The grip attachment is secured on the expandable baton between the threaded end of the baton and an end cap. The grip attachment with LED light is attached to the baton by removing the end cap, sliding the grip attachment with LED light onto the threaded end of the baton, and screwing the end cap back on the threaded end.

Abstract: The present invention provides a push button release police baton in which the collapse of the extended sections into the larger handle section is accomplished by the use of a single axially positioned push button clutch alignment rod which aligns the clutch locking mechanisms located in the extended sections and releases the sections for collapse into the handle end section of the baton.

Abstract: An expandable baton for use in self-defense training, comprising a plurality of sections including a handle and an end section, the plurality of sections adapted to nest within the handle section in a collapsed state. A magnet centrally mounted in an end cap engage a metal member in the end section to maintain the collapsed state until expansion is desired. When the expandable baton is extended, the handle section, middle section and the end section are frictionally engaged in an extended configuration.

Abstract: A fight analysis system to objectively determine the quality and quantity of strikes in a fight. In one exemplary embodiment, one fighter wears a receiving module having a plurality of passive RFID tags at different locations that are read by a striking module (e.g., a knife) when the striking module lands on, or comes in proximity to, the receiving module, to provide the location of a strike. Force sensors in the striking module enable determination of the type and force of a landed strike. A graphical user interface module displays information gathered by the fight analysis system.

Abstract: A lightweight plastic baton includes a hollow cylindrical body which telescopically supports a flexible cylindrical plastic baton shaft. One or more slideways support and concentrically center the baton shaft within the hollow body. A flashlight having a strobed light operating mode is coupled to the baton body to provide a less than lethal deterrent to a potential assailant. A radially movable elastic switch cover is mounted substantially flush with the outer surface of the flashlight to prevent inadvertent actuation of one of several selectable flashlight operating modes.

Abstract: The present invention provides a push button release police baton in which the collapse of the extended sections into the larger handle section is accomplished by the use of a single axially positioned push button clutch alignment rod which aligns the clutch locking mechanisms located in the extended sections and releases the sections for collapse into the handle end section of the baton.

Abstract: A piece of jewelry is provided having a chain and a cap attached to the chain. A base is joined to the cap. A plurality of extensions are positioned within the base and nested within one another. An inner most extension is removably joined to the cap so that cap secures the inner most extension while the plurality of extensions telescopically extend when pulled away from the cap. The inner most extension detaches from the cap when the plurality of extensions are fully extended.

Abstract: An expandable baton for use in self-defense training, comprising a plurality of sections including a handle and an end section, the plurality of sections adapted to nest within the handle section in a collapsed state. A magnet centrally mounted in an end cap engage a metal member in the end section to maintain the collapsed state until expansion is desired. When the expandable baton is extended, the handle section, middle section and the end section are frictionally engaged in an extended configuration.

Abstract: A shark deterrent device is disclosed. The device comprises at least two hollow cylindrical shafts, a tip, a twist-release mechanism, and at least one self-lock mechanism. The tip may be replaceable. The shark deterrent device is a retractable unit that is easy for a diver to carry and stow, and yet can be extended in order to deter a shark. The device is unlocked from its retracted position by twisting a collar, thereby unlocking the concentric shafts and allowing the unit to be fully extendable by hand. Once the unit is fully extended, a self-lock mechanism lock the unit to prevent it from retracting during use. The unit has a handle formed at one end of the outermost cylindrical shaft and a tip at the opposing end of the innermost cylindrical shaft. The tip may be replaceable and removed, and other useful tips may be attached.

Abstract: A non-threatening combination baton and spray dispenser that can be readily employed was a baton or as a dispenser without requiring complex re-orientation or concentrated aiming, including an expandable baton having a mounted connector coupling that facilitates connection to an end of an irritant spray dispenser disposed in axial alignment with the baton. The connector coupling supports a switch mechanism readily operable by the user's thumb while grasping the connector coupling to selectively dispense spray axially from the dispenser with the baton in either its retracted or expanded positions.

Abstract: The present invention relates to a baton for self-protection is composed of a cylindrical handle, a locking piece, a switch, a first telescoping rod, a second telescoping rod, and a spring. The handle is covered by a grip. The locking piece is coupled to the center portion of a locking piece fixing section inserted into one end of the handle and has a locking projection provided in predetermined positions of both ends thereof. The switch is mounted in the rear side of the locking piece fixing section. The first telescoping rod has a widened portion and tapered portion formed in both ends thereof so as to be telescoped inside the handle. The second telescoping rod is housed in the first telescoping rod, and a step portion of the second telescoping rod at one end thereof is closely coupled to the locking projection of the locking piece. The spring is mounted in the handle so as to elastically support the first and second telescoping rods.

Abstract: The invention relates to a baton comprising at least two tube pieces, an outer tube piece and an inner tube piece which can be inserted into each other like a telescope and are interlockable in both the retracted and the deployed position. A radially displaceable locking top is disposed in the final region of the inner tube piece, which can be inserted into the outer tube piece, while a circumferential catching groove is arranged on the inside of the final region of the outer tube piece. The locking top is composed of several parts that are embodied like sectors of a circle and are joined so as to form a ring while the locking cap extends past the final region of the inner tube piece by means of a locking bulb. An expanding cone for the locking top is placed in side the inner tube piece across from the catching groove for the locking bulb, said expanding cone being movable to a limited extent in an axial direction and being fixed at the end of a positioning rod.

Abstract: A glass breaking cap for flashlights, batons and the like is provided. The glass breaking cap has a cylindrical sidewall and a conical top portion. The conical top portion has an apex having an included angle between 86° and 136°. More preferably, the apex has an included angle of 106° to 126° with a preferred included angle of about 116°. Preferably, the glass breaking cap has male or female threads for replacing threaded end caps found on traditional flashlights and batons.

Abstract: The present invention relates to the use of an adjustable defense baton or arnis stick. Weights may be added or subtracted and located in various positions along the length and/or diameter of the baton.

Abstract: An expandable baton has a twist release for retraction. Each inner section of the baton can lock in its extended position, relative to the preceding section, after axial extension. That section can be released for axial retraction by rotating that section about the longitudinal axis relative to the preceding section.

Abstract: An expandable baton has a twist release for retraction. Each inner section of the baton can lock in its extended position, relative to the preceding section, after axial extension. That section can be released for axial retraction by rotating that section about the longitudinal axis relative to the preceding section.

Abstract: An expandable baton having a gripping tube, a center tube and a striking tube that collapse and are retained in the collapsed position by a top cap assembly. The top cap assembly includes at least one spring retainer that engages the inner surface of the striking tube to retain the baton in its retracted position. The amount of holding force created by the spring retainer to hold the baton in its retracted position is adjustable. The top cap assembly includes an adjustment stem having a tapered portion that engages the spring retainer. Movement of the tapered portion of the adjustment stem relative to the spring retainer adjusts the holding force created by the end cap.

Abstract: A self defense tool includes a tubular body provided with an axial bore and a removable closed handle end opposite a removable closed striking end. A variable weight holding arrangement is positioned inside the axial bore of the body between the handle and striking ends and is engageable with the striking end. The holding arrangement is adapted to retain at least one weight member inside the axial bore to selectively enable changing weight of the tool. The variable weight holding arrangement includes a stop disposed in the axial bore of the body, and a coil spring inserted in the axial bore and extending between the stop and striking end. The at least one weight member is adapted to be received in the axial bore and held between the spring and the striking end.

Abstract: A scabbard for carrying a baton on the limb of a user in a manner such that the baton may be quickly released from the scabbard and placed into use. The baton may include a handle to be grasped by the user and an end portion that is releasably secured to the scabbard. The scabbard includes a main body portion having a first end and a second end. The first end may include a means for fastening the main body member to the second end to secure the main body member about the user's limb. A retainer assembly including a first flap, a second flap and a support member is affixed to the main body portion releasably engages the baton to secure the baton to the main body portion.

Abstract: A cover for an expandable baton handle is injection molded onto the handle to provide an integral, unitary handle cover for the baton handle. The baton handle is further provided with locking rings or grooves at opposite ends. The grooves cooperate with ridges provided on the cover in a mating relationship to prevent the cover from moving relative to the baton handle.

Abstract: The present invention is directed to two forms of safety tips for friction lock, expandable batons; namely the Safety Tip™ and the Power Safety Tip™. Both safety tips of invention have a threaded end that is used to connect the tip to the small end of the baton. A step section with the same diameter as the small end diameter is advantageously used in the basic tip design to allow the shaft to be seated far enough into the handle to have full retention spring contact. The steel flange in the basic tip design also protects the softer peripheral tip cover material from being sheared off by the middle baton section when the baton is closed with a hard material in place on the steel section. In the power safety tip, the step section is the same diameter as the middle shaft of the baton, and this allows full contact with the retention spring. In both of the tip designs, the very end of the tip is rounded steel, the sides of which blend into the peripheral soft rubber-like material.

Abstract: A telescopic baton having an elastic multi-claw retaining means for holding a telescoped shaft of the baton in place is provided. The baton includes a handle, a middle shaft adapted to slide into the handle, a front shaft adapted to slide into the middle shaft, and a fixing cap screwed to a rear open end of the handle. The multi-claw retaining means is punched into the fixing cap by a suitable means to firmly adhere to an inner rear end of the fixing cap. The claws of the elastic retaining means extend forward and are bent into predetermined shape to elastically and frictionally grip a rear end of the front shaft from different radial directions when the front and the middle shafts are fully telescoped into the handle.

Abstract: The present invention is directed to two forms of safety tips for friction lock, expandable batons; namely the Safety Tip™ and the Power Safety Tip™. Both safety tips of invention have a threaded end that is used to connect the tip to the small end of the baton. A step section with the same diameter as the small end diameter is advantageously used in the basic tip design to allow the shaft to be seated far enough into the handle to have full retention spring contact. The steel flange in the basic tip design also protects the softer peripheral tip cover material from being sheared off by the middle baton section when the baton is closed with a hard material in place on the steel section. In the power safety tip, the step section is the same diameter as the middle shaft of the baton, and this allows full contact with the retention spring. In both of the tip designs, the very end of the tip is rounded steel, the sides of which blend into the peripheral soft rubber-like material.

Abstract: An expandable police baton having tubular members, and positive ball bearing locking with an axially positioned cam release mechanism, which will maintain the members in an expanded telescoped position and then can release the locking mechanism by pushing a single button at the rear thereof so that the members can slide over one another to a collapsed position convenient for carrying the baton.

Abstract: An expandable police baton having tubular members, and a positive lock with an axially positioned cam release mechanism, which will maintain the members in an expanded telescoped position and then can release the locking mechanism by pushing a single button at the rear thereof so that the members can slide over one another to a collapsed position convenient for carrying the baton.

Abstract: A multiple section telescoping police baton is disclosed. The baton has a locking mechanism which is activated upon twisting of one section relative to the other in order to prevent sliding motion of one section relative to the other.