Installation for removal of surplus material from a block of cel

Brushing – scrubbing – and general cleaning – Machines – With air blast or suction

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Details

294 64R, 414627, A47L 538

Patent

active

042558298

ABSTRACT:
This invention relates to an installation for the removal of surplus matel, especially from a block of cellular concrete utilizing suction means which includes a lever mechanism for lowering a suction nozzle controlled by means of a tension-member sensor consisting of a tension member stretched beneath a net of the suction nozzle, one end of said tension member being provided with a barrel cam co-operating with a limit switch designed for switching off the lever mechanism for lowering the suction nozzle, and simultaneously switching on fans.
Moreover, the lever mechanism for lowering the suction nozzle is equipped with an additional emergency switch controlled automatically by means of a shock absorber, switching off the lever mechanism for lowering the suction nozzle in the case of the tension-member sensor being inoperative.

REFERENCES:
patent: 3571839 (1971-03-01), Hartmann et al.

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