Window-Sash Lock Page: 4 of 4
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1,271,772
members projecting from the plate to fur-
ther throw said member to a vertical posi-
tion, as the lower sash approaches its lowest
position.
5 6. An automatic window sash lock com-
prising in combination with the upper and
lower sash of a window, a swinging member
pivoted at its lower end to the face of the
lower sash and having a laterally projecting
10 portion extending over the top of the lower
sash and beyond the inner face thereof, said
member having a handle, a plate secured to
the upper sash and having inwardly inclined
curved marginal flanges, a central vertical
15 partition projecting from the plate, forming
a right and a left way, and having its upper
end laterally inclined, a transverse partitionat the upper end of the right way, the mar-
ginal flanges of the plate tending to swing
said member toward a vertical position as 20
the lower sash is raised, a spring fastened
at its upper end to said plate and extending
below the central partition, and inclined
guide members projecting from the plate
and extending over the free end of the 25
spring and serving to further swing said
member to a vertical position as the lower
sash closes.
In testimony whereof I hereunto affix my
signature in presence of two witnesses.
TREMONT W. RICKEL.
Witnesses:
WILLIAM CLARK,
CHAS. M. Rion.Copies of this patent may be obtained for five cents each, by addressing the "Commissioner of Patents,
Washington, D. C.
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Reference the current page of this Patent.
Rickel, Tremont W. Window-Sash Lock, patent, July 9, 1918; [Washington D.C.]. (https://texashistory.unt.edu/ark:/67531/metapth1258813/m1/4/?q=%22%22~1: accessed June 26, 2024), University of North Texas Libraries, The Portal to Texas History, https://texashistory.unt.edu.; crediting UNT Libraries Government Documents Department.