Exit device having adjustable backset

Details Exit device having adjustable backset Exit device having adjustable backset

1987-08-07

1989-01-10

Moore, Richard E.

Closure fasteners

Bolts

Emergency operating means

292337, 292DIG53, 292DIG60, E05B 6510

Patent

active

047969318

ABSTRACT:
An exit device providing adjustable backset. This is achieved by having the touch bar linked to a driven element adjacent the base plate of the unit and the latch mechanism linked to an activator element also adjacent the base plate. These two elements are coupled by a sliding drive plate having a plurality of sets of apertures spaced along it to receive both elements respectively in a selected set. An exterior operator of specified backset is provided and connects with a cam adjacent an end of the drive plate to slide the plate when the exterior operator is moved. By selecting the proper set of apertures for the elements the installer can see that the cam is at the proper backset and therefore aligned with the operator.

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