Patent ID: 8491021
Filing Date: 2013-07-23
Classification: E05B,F25D,Y10T

Abstract:
1. An apparatus for opening a door of a climatic test cabinet, an incubator, an environmental simulation chamber or a freezer, wherein the apparatus unlocks the door and transfers the door to an open position when the door is closed and locked, the apparatus comprising: a linear drive having a longitudinal axis; and a pivot lever pivotably connected to the linear drive by a connecting joint, wherein the pivot lever includes a cam that pivotably mounts the pivot lever about a swivel pin, wherein the cam of the pivot lever includes a first section and a second section, wherein, when the linear drive is transferred from a first position into a second position, the first position and the second position being along the longitudinal axis of the linear drive, the first section of the cam transfers a closure element on the door from an element closed position to an element open position, wherein, after engagement of the second section of the cam with the closure element, when the linear drive is transferred from the second position into the first position, the second section of the cam transfers the closure element on the door from the element open position into the element closed position, wherein at least one of: the first section of the cam or the second section of the cam is curved, and wherein the linear drive is coupled to pivot about a second swivel pin on an end of the linear drive facing away from the pivot lever.