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479,152
Having described my invention, what I
claim as new, and desire to secure by Letters
Patent, is-
1. The combination, with the side rail of a
5 window-sash, of the plate a, having the lon-
gitudinal slot b, cross-slots c, and perforations
f and f3, bolt g, handle I, secured to said bolt
and having a small perforation j, and torsional
spring K, one end passing through the perfo-
To ration f3 and the other through the perfora-
tion j and adapted to throw the handle I into
the cross-slots c, said lock adapted to be se-
cured to said rail by any substantial means,
substantially as shown and described.
15 2. The combination, with the side rail of a
window-sash, of the plate a, having the lon-
gitudinal slot b, cross-slots c, perforated lugs
d, and perforated nose f, bolt g, having the
threads h, handle I, having a threaded perfo-
ration and screwing on the bolt g, and a small 20
perforation to receive one end of the spring
K, and coil-spring K, one end passing through
the perforation j and the other through the
perforation of the nose f, said lock adapted
to be secured to the rail by bolts or nuts pass- 25
ing through the perforated lugs d, substan-
tially as shown and described.
In testimony whereof I affix my signature in
presence of two witnesses.
STEPHEN McCLELLAN.
Witnesses:
JOHN II. McNUTT,
BYRON W. SMITH.