There is described an aircraft configured to be able to hover, comprising a fuselage; and a support element adapted to support a load, made of elastically deformable material and constrained to said fuselage; the support element being movable in an operating position in which it is arranged at least partially outside said fuselage and supports said load; the aircraft comprises a sock surrounding the support element arranged in said operating position; the sock is configured to contain the elastic return of the support element, in case the support element arranged in said operating position is sheared off.

Proposed is a vibration-proof hanger. According to one embodiment, the vibration-proof hanger includes a fitting bracket having a fixed plate configured to allow a first surface to be integrally fixed to an artificial structure, wherein a hinge unit is provided on a second surface of the fixed plate, a tilting arm unit configured to allow one end to be rotatably fixed to the hinge unit to be tilted, and a vibration-proof unit configured to be coupled to the tilting arm unit to absorb vibration transferred to the tilting arm unit or rotate to prevent vibration of the tilting arm unit.

A system and method for a line shock absorbing and/or tensioning device formed from a metal rod having a central coiled portion acting as a torsion spring with two arms extending radially from the coiled portion whereby the ends are terminated with a pigtail to allow a line to be captively held inside without the need to thread the line ends through. The line, when slackened, is manipulated inside the two pigtails and routed through a third formed pocket in the centered coiled portion to form a non-linear path. As the line is stressed, the line wants to straighten, therefore causing the V-shaped arms to flex apart and absorb the resulting shock while providing elasticity and elongation to the line itself.

A system and method for a line shock absorbing and/or tensioning device formed from a metal rod having a central coiled portion acting as a torsion spring with two arms extending radially from the coiled portion whereby the ends are terminated with a pigtail to allow a line to be captively held inside without the need to thread the line ends through. The line, when slackened, is manipulated inside the two pigtails and routed through a third formed pocket in the centered coiled portion to form a non-linear path. As the line is stressed, the line wants to straighten, therefore causing the V-shaped arms to flex apart and absorb the resulting shock while providing elasticity and elongation to the line itself.

The present disclosure provides a rotational spring dampener that has a compression limiter, a first disk, and a second disk. The first disk is disposed at a first end of the compression limiter and the second disk is disposed at a second end of the compression limiter, where the second end is opposite the first end. The rotational spring dampener also has a tensile member. The tensile member is connected to the first disk and the second disk. The tensile member is composed of a block copolymer

In view of the above, there has been described a load compensator including one or more tension spring assemblies that are contained within a tubular housing when tension from a load is applied to the tension spring assemblies. When the load compensator includes more than one tension spring assembly, the tension spring assemblies are mechanically connected to each other in series and stacked in-line with each other in the housing. In a preferred construction, each of the tension spring assemblies includes elastomeric tension elements mounted between two disks, and the tubular housing includes a tube having threaded ends and caps that screw onto the tube.

The suspension strap assembly for a punching bag is an apparatus that is configured for use in physical training. The suspension strap assembly for a punching bag suspends a heavy bag in a manner appropriate for use in the physical training for boxing activities. The suspension strap assembly for a punching bag comprises a superior mount, a suspension apparatus, and a heavy bag. The suspension apparatus attaches the heavy bag to the superior mount. The heavy bag provides a target used for physical training. The superior mount suspends the suspension apparatus and the heavy bag from a load bearing structure such that the load of the suspension apparatus and the heavy bag are incorporated into the load path of a building or structure.

A damper includes an upper connector configured to be connected to a cable. The damper also includes a lower connector configured to be connected to a load. The damper also includes a body extending between and connecting together the upper and lower connectors. The body includes a first portion and a second portion. The first portion is configured to experience greater plastic strain than the second portion.

A shock isolator assembly comprises a base a platform and a plurality of self-resetting buckling isolators providing a three-stage response to a dynamic load acting between the base and the platform. The three-stage response of the self-resetting buckling isolators comprises a tension stage when the dynamic load exceeds a threshold tension load, a compression stage when the dynamic load exceeds a threshold compression load, and a rigid stage when the dynamic load is below the threshold tension load and the threshold compression load.

A damping mechanism for damping energy resulting from a lateral force on a structure may include a first portion, a second portion configured for longitudinal motion relative to the first portion, a primary energy absorption system configured for frictionally coupling the first portion and the second portion and converting motion of the second portion relative to the first portion into heat energy, and a secondary energy absorption system configured to absorb energy through non-linear deformation and provide a self-centering effect on the damping mechanism.