U.S. PATENT No. 5,381,628

Medium-duty overhead holder and stop for interior doors, single acting.

STANDARD FEATURES

• Non-handed, reversible

• Single point hold-open is field adjustable from 85 to 110 degrees

• Automatic hold-open and release by push and pull on door

• Friction holder can be adjusted easily on site at any position and held under adjustable pressure

• Bronze extruded arm and jamb bracket

• Maximum opening 110 degrees, minimum door thickness 1-3/8"

• Both wood and machine screws included

• Available in all BHMA finishes, except US32 and US32D

WHEN ORDERING,
please list:

Model number

Door closer number or other hardware

Mounting means of the door and butt size

Hold-open or dead-stop degree

Door opening and thickness

Finish

SPECIFICATIONS:

3310A Series hold-open mechanism with sliding block will release or engage door by push or pull; 3330A Series friction holder has non-abrasive brake lining 2-1/4" or longer; steel shock absorbing spring with rubber tip.

Material:
Brass/ bronze; channel 1/16" thick and 11/16" wide; arm 3/16" thick and 11/16" wide; jamb bracket 3/16" thick and 3/4" wide; sliding block 9/16" wide and 1/16" thick as manufactured by ABH with field adjustable degree hold-open or stop.