Fume hood with multifunctional sash lock

Details Fume hood with multifunctional sash lock Fume hood with multifunctional sash lock

1988-09-26

1989-05-16

Joyce, Harold

Closure fasteners

Clamps

Portable

49449, 292216, 292DIG21, 292DIG65, 312215, F23J 1100

Patent

active

048298875

ABSTRACT:
A laboratory fume hood with at least two vertically-movable sashes and with a control in the form of a multifunctional sash lock that may be selectively positioned to allow only one sash to be opened at a time, or to permit both sashes to be opened but only partially, or to allow both sashes to be opened fully.

REFERENCES:
patent: 4385551 (1983-05-01), Zboralski

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