Window frame construction system and connector units for use therein
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Apr 5, 2005
Grant Date -
Mar 13, 2003
app pub date -
Sep 9, 2002
filing date -
Mar 7, 2000
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
The invention provides a window frame construction system (10) comprising an inner frame (12), an apertureless outer frame (18) provided with at least abutment surface (22) projecting towards said inner frame (12) and a plurality of aligning connector units (26) for attaching said inner frame (12) inside said outer frame (18), said unit comprising, a hollow body (28) attachable to said inner frame (12), a nut plate (34) engageable with said inner frame (12) and having an internal screw thread (36) matching an externally screw-threaded portion of said hollow body (28), whereby said hollow body (28) may be adjusted to project a desired distance outwards from said inner frame (12) towards the outer frame (18), and a first rotatable member (40), insertable in a hollow body (28), wherein said first internal rotatable member (40) is provided with a projection (42), an end portion (44) of which faces outwards towards said outer frame (18) for effecting engagement and alignment between said inner and outer frames.
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