40 results about "Impact attenuator" patented technology

Provided is a swing speed analyzer for mounting on a swinging implement and comprising a first accelerometer, a processor and a shock attenuator. The processor uses an output from the first accelerometer to compute a swing speed of the swinging implement. The shock attenuator is comprised of a material that is sized and dimensioned to dampen an impact shock wave by more than 50% at 125 Hz. The material is preferably sized and dimensioned to dampen the impact shock wave from more than 1000 g to less than 500 g. Suitable attenuators can include viscoelastomeric materials such as foam. The swing speed analyzer can advantageously include any of a releasable attachment mechanism, a liquid crystal or other visual display, a second accelerometer, and a strain gauge. The analyzer can advantageously be attached to a golf club, a tennis racket, a baseball bat, or a hockey stick.

Provided is a swing speed analyzer for mounting on a swinging implement and comprising a first accelerometer, a processor and a shock attenuator. The processor uses an output from the first accelerometer to compute a swing speed of the swinging implement. The shock attenuator is comprised of a material that is sized and dimensioned to dampen an impact shock wave by more than 50% at 125 Hz. The material is preferably sized and dimensioned to dampen the impact shock wave from more than 1000 g to less than 500 g. Suitable attenuators can include viscoelastomeric materials such as foam. The swing speed analyzer can advantageously include any of a releasable attachment mechanism, a liquid crystal or other visual display, a second accelerometer, and a strain gauge. The analyzer can advantageously be attached to a golf club, a tennis racket, a baseball bat, or a hockey stick.

An optical deflector includes a mirror having a reflective plane; a torsion bar extending outwardly from a side of said mirror; a support surrounding said mirror; a piezoelectric cantilever including a supporting body and a piezoelectric body formed on the supporting body, one end of said piezoelectric cantilever being connected to said torsion bar, the other end of the piezoelectric cantilever being connected to said support, said piezoelectric cantilever, upon application of a driving voltage to the piezoelectric body, exhibiting a bending deformation due to piezoelectricity so as to rotate said torsion bar, thereby rotarily driving said mirror through said torsion bar; and an impact attenuator connected to said support, the impact attenuator being disposed in a gap between said mirror and said support.

A utility trailer provides a frame defining a forward open bottom work space, a medially rearward deck and a rearwardmost extendable impact attenuator. Hitch structure encloses the forward portion of the work space. The impact attenuator is deployable spacedly rearwardly of the utility trailer in work site mode and provides frictional, mechanical and inertial devices to attenuate a forwardly directed impact. Additional impact attenuators extend between the hitch structure and a vehicle in towing motion. Plural jacks provide work site leveling and positional stability. The utility trailer provides an arch supported hoist to service the workspace and carries signs to provide traffic information and direction.

A utility trailer provides a frame defining a forward open bottom work space, a medially rearward deck and a rearwardmost extendable impact attenuator. Hitch structure encloses the forward portion of the work space. The impact attenuator is deployable spacedly rearwardly of the utility trailer in work site mode and provides frictional, mechanical and inertial devices to attenuate a forwardly directed impact. Additional impact attenuators extend between the hitch structure and a vehicle in towing motion. Plural jacks provide work site leveling and positional stability. The utility trailer provides an arch supported hoist to service the workspace and carries signs to provide traffic information and direction.

An optical deflector includes a mirror having a reflective plane; a torsion bar extending outwardly from a side of said mirror; a support surrounding said mirror; a piezoelectric cantilever including a supporting body and a piezoelectric body formed on the supporting body, one end of said piezoelectric cantilever being connected to said torsion bar, the other end of the piezoelectric cantilever being connected to said support, said piezoelectric cantilever, upon application of a driving voltage to the piezoelectric body, exhibiting a bending deformation due to piezoelectricity so as to rotate said torsion bar, thereby rotarily driving said mirror through said torsion bar; and an impact attenuator connected to said support, the impact attenuator being disposed in a gap between said mirror and said support.

A system, according to an embodiment of the present invention, having an optical device and a shock attenuator is provided. The optical device is configured to operate with a weapon. The shock attenuator is disposed between the optical device and the weapon. The system includes the shock attenuator that is configured to reduce shock experienced by the optical device during operation of the weapon to less than 250 g's.

An impact attenuator system includes a hyperelastic member that comprises an energy absorbing material which behaves in a rate-independent hyperelastic manner so that its permanent set is minimized and the material can absorb tremendous amounts of impact energy while remaining fully recoverable.

A reusable energy-absorbing crash attenuator comprises a base, a rail disposed on and extending along a length of the base, and a plurality of energy absorbing modules slidably disposed on the rail. Each of the energy absorbing modules comprises a first module portion and a second module portion which are attached together. Each of the module portions comprise plastic, preferably high density polyethylene (HDPE), and have a combination of concave and convex curvature. A plurality of fender panels are disposed in adjoining end-to-end fashion along each side of the length of the crash attenuator. The fender panels are arranged to slide together in telescoping fashion upon impact of the crash attenuator by a vehicle.

An impact attenuator system including a hyperelastic member that comprises an energy absorbing material with a tan δ of not less than about 0.05 to assist rebound control.

A trailer-mounted crash impact attenuator is disclosed for attachment to a host vehicle, which comprises an anti-rotational attachment system having an internal support tube and a plurality of external support tubes. The internal support tube has a connector on a front end thereof for attachment to a suitable receptacle on the host vehicle, and the plurality of external support tubes each have an anti-rotation support pad on a front end thereof. At least one of the internal support tube and the plurality of external support tubes is comprised of a telescoping construction. A backup frame is disposed on a rear end of the attachment system, and a crash attenuator unit is disposed on an axle and pair of wheels for mobility. When the crash attenuator is impacted by an errant vehicle, the anti-rotational attachment system is actuated to prevent the trailer mounted crash impact attenuator from rotating relative to the host vehicle.

An impact attenuator system includes a hyperelastic member that comprises an energy absorbing material which behaves in a rate-independent hyperelastic manner so that its permanent set is minimized and the material can absorb tremendous amounts of impact energy while remaining fully recoverable.

A blast attenuator includes an enclosure defining a cavity; a core defining a plurality of interconnected pores, the core disposed in the cavity; and a shear thickening fluid disposed in the cavity, such that the shear thickening fills a portion of a pore volume of the core. A blast attenuation assembly includes a blast attenuator including a shear thickening fluid and a crushable element that omits a shear thickening fluid operably associated with the blast attenuator. A method includes the steps of providing a rigid core defining a plurality of interconnected pores and placing an enclosure about the core, the enclosure defining a filling port. The method further includes the steps of filling at least a portion of a pore volume of the core with a shear thickening fluid and closing the filling port to seal the enclosure and form a first blast attenuator.

A vehicle impact attenuator that can be installed at low cost in a narrow installation space, immediately stop a colliding vehicle, and effectively mitigate the impact on the vehicle. The vehicle impact attenuator includes a shock absorber that deforms upon a collision by a vehicle to reduce the impact on the vehicle. A support is provided for the shock absorber and a holding portion holds the support (20A) in a vertical position in an installation area. The support has cuts made in it that upon application of a load equal to or exceeding a set value, fracture and function as a release mechanism to thereby release the support from being held in a vertical position in the installation area. The support is deformable by a load less than the set value.

The invention discloses a high-power aluminum nitride ceramic substrate 100W-20dB attenuator, which comprises an aluminum nitride substrate, a conductive layer is printed on the back of the aluminum nitride substrate, and several resistors and silver are printed on the front of the aluminum nitride substrate. Paste wire, the silver paste wire is connected to the resistor to form an attenuation circuit, and the glass protective film is printed on the resistor. The high-power aluminum nitride ceramic substrate 100W-20dB attenuator increases the resistance area, increases the high and low temperature impact resistance of the attenuator, and makes the product performance index meet the requirements. At the same time, it avoids the high temperature resistance quenching when welding the lead wire at the output end, avoids the risk of damage due to resistance quenching during actual use, and improves the circuit design so that the product can be applied to 3G networks.

The vehicle impact attenuator comprises at least two impact absorber bodies for transforming impact energy which acts along a central impact axis, into deformation energy. The bodies are arranged in pairs, and the bodies of each pair are located on either side of a central axis of the device, and are mechanically interconnected in such a way that the deformation of one of these bodies due to a crashing vehicle results in a deformation also of the other absorber body, induced by said mechanical interconnection.

A vehicle impact attenuator that can be installed at low cost in a narrow installation space, immediately stop a colliding vehicle, and effectively mitigate the impact on the vehicle; the vehicle impact attenuator comprising: a shock absorber (10A) that deforms upon a collision by a vehicle to reduce the impact on the vehicle; a support (20A) for the shock absorber (10A); and a holding portion (30A) that holds the support (20A) in a vertical position in the installation area; the support (20A) having cuts (31A) that, upon application of a load equal to or exceeding a set value, fracture and function as a release portion to thereby release the support from being held in a vertical position in the installation area; and the support (20A) being plastically deformable by a load less than the set value.

A trailer-mounted crash impact attenuator is disclosed for attachment to a host vehicle, which comprises an anti-rotational attachment system having an internal support tube and a plurality of external support tubes. The internal support tube has a connector on a front end thereof for attachment to a suitable receptacle on the host vehicle, and the plurality of external support tubes each have an anti-rotation support pad on a front end thereof. At least one of the internal support tube and the plurality of external support tubes is comprised of a telescoping construction. A backup frame is disposed on a rear end of the attachment system, and a crash attenuator unit is disposed on an axle and pair of wheels for mobility. When the crash attenuator is impacted by an errant vehicle, the anti-rotational attachment system is actuated to prevent the trailer mounted crash impact attenuator from rotating relative to the host vehicle.

A reusable energy-absorbing crash attenuator comprises a base, a rail disposed on and extending along a length of the base, and a plurality of energy absorbing modules slidably disposed on the rail. Each of the energy absorbing modules comprises a first module portion and a second module portion which are attached together. Each of the module portions comprise plastic, preferably high density polyethylene (HDPE), and have a combination of concave and convex curvature. A plurality of fender panels are disposed in adjoining end-to-end fashion along each side of the length of the crash attenuator. The fender panels are arranged to slide together in telescoping fashion upon impact of the crash attenuator by a vehicle.

A mechanism for the absorption of the kinetic energy of a vehicle frontally impacting against a containment system, such as an impact attenuator or barrier terminal, by means of the longitudinal propagation of the plastic deformation of one or more longitudinal deformable metallic profiles produced by means of a rigid ram which is displaced along the deformable profile, intercepting part of its cross-section, joined to a structural element of the system which receives and transmits the impact of the vehicle being displaced along the containment system, the deformable profile being directly or indirectly fixed to the ground and therefore remaining static during the impact.

A crash attenuator system for deployment in front of a fixed structure includes a rail extending along a length of the crash attenuator system and a plurality of diaphragms initially disposed in spaced relation along the length of the rail. Each of the plurality of diaphragms moves along the rail, so that when a front end of the crash attenuator system receives an impact force from a vehicle, a first one of the diaphragms moves rearwardly along the rail and impacts a second one of the diaphragms so that both the first and second diaphragms move further rearwardly along the rail, this process continuing with additional ones of the diaphragms until the impact forces have been fully attenuated. A tearing member on the crash attenuator system engages material forming a tearable member of the crash attenuator system, the tearing member tearing material forming the tearable member to increase attenuation of the impact force.

A Freeway Impact Attenuator is a traffic control or traffic accident impact absorbing device that will be deployed and replaced the conventional sand filled plastic buckets on the highway exits, junctions and temporary highway constructions. The rear support bracket for the temporary deployment to be replaced with concrete block to keep the unit from sliding.The bumper and sliding tube move backwards and simultaneously the water in the cylinder get compressed while piston also moves backwards once impact force exerted to the bumper. The sliding tube and piston is interfaced through the clamp.When the water pressure increases to the level that cylinder piston reaction force overcome the impact, sliding tube will stop prior to the end of cylinder full stroke.Water level inside the tank will also increase and may over flow in some case is depending on the piston traveling in the cylinder.

An impact attenuator including an impact head, coupled to a first end of an energy absorption body, which energy absorption body is arranged for fixation to an external structure at a second end opposing the first end of the energy absorption body, configured to at least partly absorb or dissipate energy from a collision of an object with the impact head, and including a first part and a second part extending substantially lengthwise behind each other, wherein the first and second part are mutually moveable and including a first and a second cutting edge, wherein, the first cutting edge is arranged for splitting the first part of the energy absorption body upon impact of an object colliding with the impact head, and the second cutting edge is arranged for consecutively splitting the second part of the energy absorption body upon impact of an object colliding with the impact head.

An impact attenuator system including a hyperelastic member that comprises an energy absorbing material with a tan δ of not less than about 0.05 to assist rebound control.

An impact attenuator for vehicles, including an energy absorbing device for decelerating forces, including a housing, at least two pins arranged in the housing which are arranged in parallel to each other in the housing, as well as a metallic, elongated draw element, which can be positioned within the housing such that it extends between and in contact with the pins, wherein the pins and the draw element are positioned such that a change of direction appears on the draw element when passing by each pin such that at mutual moving of the draw element and the housing in relation to each other, the movement is decelerated due to deformation of the draw element at passage of each pin. The pins and the draw element are positioned such that the draw element obtains a change of direction of at least 90° when passing at least two of the pins.

An apparatus for loading a disk in a disk player. The apparatus includes a main chassis on which a transferring roller for transferring the disk to the inside of the player is mounted; a power transferring unit for transferring power of a driving motor to the transferring roller; and a slider mounted on the main chassis, for being moved back and forth along a loading direction of the disk, and which is selectively connected to the power transferring unit, for being driven back and forth. The apparatus further includes an interworking mechanism for guiding the disk into a chucking position, and which is moved and pushed by the disk going forward upon entrance of the disk, to move the slider to connect with the power transferring unit; and a sub-chassis for cooperating with the slider to move back and forth in a direction perpendicular to the loading direction, and to cooperate with the interworking mechanism to isolate the interworking mechanism from the disk positioned on the chucking position. The apparatus further includes a locking lever that cooperates with the disk moving in the loading and unloading directions or with the sub-chassis, to selectively lock or unlock a movement of the interworking mechanism; and an impulse alleviating device for alleviating an impulse generated when the interworking mechanism is restored to an original position.

An impact attenuator including an impact head, coupled to a first end of an energy absorption body, which energy absorption body is arranged for fixation to an external structure at a second end opposing the first end of the energy absorption body, configured to at least partly absorb or dissipate energy from a collision of an object with the impact head, and including a first part and a second part extending substantially lengthwise behind each other, wherein the first and second part are mutually moveable and including a first and a second cutting edge, wherein, the first cutting edge is arranged for splitting the first part of the energy absorption body upon impact of an object colliding with the impact head, and the second cutting edge is arranged for consecutively splitting the second part of the energy absorption body upon impact of an object colliding with the impact head.

An impact attenuator for vehicles, including an energy absorbing device for decelerating forces, including a housing, at least two pins arranged in the housing which are arranged in parallel to each other in the housing, as well as a metallic, elongated draw element, which can be positioned within the housing such that it extends between and in contact with the pins, wherein the pins and the draw element are positioned such that a change of direction appears on the draw element when passing by each pin such that at mutual moving of the draw element and the housing in relation to each other, the movement is decelerated due to deformation of the draw element at passage of each pin. The pins and the draw element are positioned such that the draw element obtains a change of direction of at least 90° when passing at least two of the pins.