Patent classifications
E
FIXED CONSTRUCTIONS
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E05
LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
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E05C
BOLTS OR FASTENING DEVICES FOR WINGS, SPECIALLY FOR DOORS OR WINDOWS
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17/00
Devices for holding wings open; Devices for limiting opening of wings or for holding wings open by a movable member extending between frame and wing; Braking devices, stops or buffers, combined therewith
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E05C17/04
with a movable bar or equivalent member extending between frame and wing
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E05C17/16
pivoted only at one end and having an elongated slot
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E05C17/166

Protected window opening control device assemblies and methods
12618273 · 2026-05-05 · ·

Window opening control device assemblies including a sash restrictor and a restrictor cover, fenestration units including the window opening control device assemblies, and related methods. A restrictor cover is provided to substantially enclose the sash restrictor such that the sash restrictor is protected during shipping and installation of fenestration units using the sash restrictors.