Patent ID: 9731864
Date: 2017-08-15
CPC Classifications: B65D

Claim:
1. A safety catch for an access door in the sidewall of a shipping container that is horizontally hinged at its bottom comprising: a sidewall portion, said sidewall portion further comprising: a post extending from the sidewall adjacent a lower portion of the door, a pair of pins extending outward from said post, and a pair of retention walls extending from said sidewall, each said retention wall being spaced apart from the outward end of one of the pins; a plurality of posts extending from the sidewall; a pair of pins extending outward from each said post such that at least one pin extending from each of the plurality of posts extends toward one of the pins extending from an adjacent post of said plurality of posts, there being a gap defined between the ends of said pins extending toward each other; a plurality of retention walls extending from the sidewall parallel to said posts, wherein one of said plurality of retention walls is located intermediate to and spaced apart from each pair of facing pins and one of said plurality of retention walls is located outside of each of the terminal posts in the plurality of posts such that one of said plurality of retention walls is spaced apart from each of the pins that extend away from each the plurality of posts; a door portion, said door portion comprising a pair of housings extending from the door, each housing further comprising a slot to engage one of said pins; a door portion, said door portion further comprising a plurality of paired housings, each pair of housings extending from the door and spaced apart such that each pair of housings can receive the pins of one of the plurality of posts; wherein each housing of said plurality of paired housings further comprises: a rear wall wherein the thickness of the rear wall of each housing is less than the spacing between each of said plurality of retention walls and the pins extending from each of said plurality of posts; a pair of parallel walls extending from said rear wall; a semi-circular wall extending from said rear wall and connecting adjacent ends of said parallel walls; said parallel walls and said semi-circular wall cooperating to form a slot for receiving one of said pins extending from one of said posts; wherein the parallel walls are oriented at an acute downward angle when the door is oriented vertically with its hinge side up.