Patent ID: 7430829

Claim:
An accessory mounting device for use with firearms, the mounting device comprising: a first pin having a first head; a second pin having a second head, wherein the second head projects radially beyond the second pin only on one side of the second pin; a first aperture to receive the first pin, wherein the first aperture includes a first bore hole section and a first eccentric section; a second aperture to receive the second pin, wherein the second aperture includes a second bore hole section and a second eccentric section, wherein the first and second eccentric sections have radii smaller than the radii of the first and second bore hole sections, respectively; a first undercut associated with the first aperture, wherein the first undercut is compatible with the first head; a second undercut associated with the second aperture, wherein the second undercut is compatible with the second head; a spring-loaded locking device attached to the second pin, wherein the spring-loaded locking includes a spring having a spring force; and a handle associated with the spring-loaded locking device, wherein the handle moves the second pin against the spring force axially in the direction of the second head while rotating the second pin so that when the second pin is rotated by the handle, the second head pushes against the spring force on the second undercut.