Elastomeric buffer unit for a weapon recoil system

Details Elastomeric buffer unit for a weapon recoil system Elastomeric buffer unit for a weapon recoil system

1986-08-14

1988-03-22

Bentley, Stephen C.

Ordnance

Mounts

With recoil check

2671411, 267152, F41F 1906

Patent

active

047320753

ABSTRACT:
Paired elastomeric elements, preferably made with silicone rubber, are separated by flat and preferably metallic separator elements which are parallel to each other when the elastomeric elements are not subjected to an external compressive load. The assembly of separator elements and elastomeric elements sandwiched therebetween in pairs is held between end plates intermediate a mass subjected to an external time-varying force, e.g. from an automatic weapon subjected to reaction forces from the projectiles being fired therefrom, and a support structure that is to be isolated from the time-varying forces. Each elastomeric element serves as both a spring and a damper, absorbing and dissipating absorbed energy to isolate a support structure from the full effect of the time-varying force from the weapon mounted thereon. The provision of elastomeric elements having different damping coefficients is particularly effective in eliminating the transmission of high frequency time-varying forces through the buffer unit. The effective stiffness of the elastomeric elements is increased significantly by the provision of closely spaced annular surrounding metal rings that constrain the lateral deformation of elastomeric elements subjected to significant compressive force.

REFERENCES:
patent: 3504905 (1970-04-01), Irwin
patent: 3539170 (1970-11-01), Hamel

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