Wall opening-shutting mechanism - comprises sliding wall thrust transversely against seal in final stage of shutting movement

摘要

The mechanism shut off a wall opening particularly for the passage of staff or vehicles, in a buttress wall, dam, etc. It comprises a wall sliding between the open and shut positions. A thrust mechanism automatically presses the sliding wall in the transverse direction into the sealing position in the final stage of its shutting movement. It has components (15,16) pressing against the sliding wall (3), and/or fixed ones protruding into its path. USE/ADVANTAGE - Sliding wall forming gate for vehicles forms simple watertight joint reliable over long period.