Safety barrier assembly

Details Safety barrier assembly Safety barrier assembly

1992-09-25

1993-12-21

Kannan, Philip C.

Movable or removable closures

With operator for movably mounted closure

Operator drives closure along guide

49 731, 49103, E05F 1100

Patent

active

052711838

ABSTRACT:
A safety barrier assembly is disclosed to provide a movable barrier for an access passageway or doorway. The assembly includes a pair of upright support members and vertically travelling barrier means with at least two horizontally disposed elongate segments being selectively moveable between an operative passage blocking mode and inoperative non-blocking mode. Drive means are provided for moving the segments and lost motion means allow for positioning the segments a predetermined first distance apart when in the operative mode while positioning the segments close together when in the inoperative mode. Stop means may be provided for engaging one of the elongate members when in the operative mode.

REFERENCES:
patent: 1652186 (1927-12-01), Strauss
patent: 1698424 (1929-01-01), Banschbach
patent: 2282914 (1942-05-01), Vetterlein
patent: 2956518 (1960-10-01), Sabol et al.
patent: 3394497 (1968-07-01), Case
patent: 3886851 (1975-06-01), Berner
patent: 4927198 (1990-05-01), Fennell et al.

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