2results about How to "Extended impact time" patented technology

This utility model discloses a running shoe with an elastic spherical sole, belonging to the field of footwear technology. The shoe includes an upper and a sole. The sole includes a midsole and an outsole. The outsole is disposed at the bottom of the midsole, and the upper is connected to the top of the midsole. The midsole includes a base and an elastic mechanism. The elastic mechanism is disposed at the heel of the base and includes a base and an elastic support. The base has a V-shaped opening at the heel, and the elastic support is disposed within the V-shaped opening. This utility model provides deformation space at the heel of the midsole by providing a V-shaped opening at the high point of the heel. By filling the V-shaped opening with an elastic support, the midsole can provide better elasticity at the high point of the heel, giving the sole excellent rebound and shock absorption performance.

This invention belongs to the field of civil defense engineering and explosion-proof protection technology, and relates to a polyurea-coated, panelless civil defense device, including a load-bearing outer panel, a reinforcing frame, elastic damping connectors, an internal cast-in-place body, an arc-shaped elastic support rod, and a support plate. The support plate's inner side contacts the arc-shaped protruding surface of the arc-shaped elastic support rod, forcing the rod to undergo elastic compression deformation. The arc-shaped structure of the support rod produces a progressive stiffness response under pressure: initially, the arc-shaped structure is easily deformable, providing a large displacement stroke to absorb energy; as the compression increases, the stiffness of the support rod gradually increases, effectively suppressing excessive deformation. During deformation, the arc-shaped elastic support rod generates a reaction force on the reinforcing frame, which is evenly distributed to the internal cast-in-place body through the three-dimensional mesh structure of the reinforcing frame. Its structural design is scientifically sound, easy to use, provides excellent protection, and is environmentally friendly.