Presser bar mechanism
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United States of America Patent
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-
Dec 14, 1999
Grant Date -
N/A
app pub date -
Sep 25, 1997
filing date -
Sep 25, 1997
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A presser bar mechanism for an exit door having a frame with a stile, upper and lower lock rods vertically sliding in the stile, a presser bar carried on the door frame, a plate mounted in the stile for rotation about a horizontal axis, upper and lower connectors each having a first end attached to the plate and each having a second end attached to said upper and lower lock rods, respectively, a drive pin carried in one of the connectors and projecting outward from the stile, a slide housing carried on the stile and including a slide channel, a slide member carried in the slide housing for translation along the slide channel, and a crank carried in the slide housing and having first and second crank arms, with the first crank arm engageable by the presser bar and with the second crank arm engagable with the slide member so that pressing on the presser bar rotates the crank to move the slide member in the slide housing, with the slide member engaging the drive pin in driving relation to translate the drive pin and rotate the plate and translate the lock rods in the stile when the presser bar is pressed.
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