Patent ID: 7883304
Filing Date: 2011-02-08
Classification: B60P

Abstract:
1. An automatic bottom lock for locking a container having a hole at bottom thereof which having an opening, comprising: a lock base; and a lock body fixedly fastened above said lock base, comprising a hook provided thereon having a transverse guiding slope extending forward and downwardly from a top at a front side of said hook, a hooking slope extending backward and downwardly from a lower end of said transverse guiding slope, a transverse sliding slope extending backward and downwardly from a top at a rear side of said hook, and a locating plane at a bottom of said lock body extending backward and downwardly from said transverse sliding slope, wherein said locating plane is vertical to a horizontal plane, and extends left and right along said lock body, wherein when the container is being laid down, said transverse guiding slope and said transverse sliding slope guide the opening to receive said lock body, and then said locating plane retains the container on said lock base; when the container is being lifted up, said hooking slope guides the opening to release said lock body.