Catch closure for grids and shaft covers - includes bolt-tensioned spring biassing catch and stop face in locking position

摘要

Catch closure locks a shaft cover grid etc. onto a frame. The catch is supported on the cover by bolts. In the locking position, the catch engages under the stop face of the frame and can be pressed against this by turning the bolt. In the locking position, the catch (6) and stop face (10) are spring-6oaded wrt each other by a spring n7) which acts on the catch (6) and/or the stop face (10) and is placed under tension by tightening the bolt (3). The spring (7) is arranged in a recess of the catch (6) and is supported against a shoulder of the catch and against a nut (5) screwed on the bolt (3).