Patent ID: 7690856
Filing Date: 2010-04-06
Classification: A01K,Y02A,Y10T

Abstract:
1. A connection device system comprising at least three parallelly stackable connection devices defining a lower connection device, a middle connection device and an upper connection device, each of said connection devices including: a first elongated element with a first groove and a locking portion, a second elongated element with a second groove and a through opening, an engagement member disposed in the first groove, a pin connected to the engagement member and extending perpendicularly from the first elongated element and into the through opening, and an actuating member of each connection device being slidably received in the first groove of an another connection device located directly below and adjacent thereto, and wherein the actuating member of the upper connection device actuates the engagement member of the middle connection device to move the pin of the middle connection device through the through opening of the middle connection device and into the locking portion of the lower connection device to lock the middle connection device with the lower connection.