Patent ID: 6321922
Filing Date: 2001-11-27
Classification: B61G

Abstract:
A shock resistant vehicular coupler, said coupler comprising:(a) a substantially hollow draft gear tube having an inside surface;(b) a coupler head having a substantially hollow shank portion, said substantially hollow shank portion being flexible and having a distal end extending into one end of said substantially hollow draft gear tube, said distal end of said substantially hollow shank portion including a collar, said collar including a predetermined number of longitudinally extending relief grooves provided therein;(c) at least two longitudinally extending slots formed in said substantially hollow shank portion adjacent said distal end of said hollow shank portion to enable compressing said distal end so that said distal end may be inserted into said draft gear tube; and(d) a predetermined plurality of radially directed shear bolts threaded through said draft gear tube and into said distal end of said substantially hollow shank portion in a manner that secures said substantially hollow shank portion against said inside surface of said draft gear tube.