Lock Page: 4 of 4
[1], 3 p. : ill. ; 23 cm.View a full description of this patent.
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a
ing through one side of the lock, and spring
actuated latching means engaging the bolt
holding means to prevent a retractioji of the
bolt holding means, said latching means
5 having members projecting on both sides
of the lock whereby it may be retracted to
permit the bolt holding means to move into
engagement with the bolt.
3. A lock including a casing, a longitu-
0 dinally movable bolt therein having a notch
on its under edge, a barrel rotatably mount-
ed in the casing and having an arm engag-
ing said bolt, a spring urging the bolt to a
projected position, a tumbler vertically dis-
5 posed beneath bolt and having a tooth
adapted in one position of the tumbler to
engage said notch in the bolt, a spring urg-
ing the tumbler into engagement with the
bolt, a latch shiftable in a direction at right
o angles to the tumbler and disposed between
the tumbler and the rear end of the casing
and having a tooth engaging a notch in the
tumbler when the tumbler is in its retracted
position, a spring urging said latch into en-
5 gagement with the tumbler, a stud project-
ing from the tumbler through one side of
the casing whereby the tumbler may be.manually withdrawn from engagement with
the bolt, and studs projecting in opposite
directions from the latch and extending 30
through slots in the sides of the casing
whereby the latch may be operated from
either side of the door, to withdraw the
latch from its engagement with the tumbler
and to permit the tumbler to be shifted into 35
engagement with the bolt.
4. A lock including a casing, a longitu-
dinally shiftable bolt therein, a tumbler
shiftable into and out of position to prevent
a retraction of the bolt, said tumbler having 40
a pair of'spaced outwardly projecting studs
and the casing having an arcuate keyhole in
its face, a warding member disposed be-
tween said keyhole and the tumbler and
having a ward disposed between said studs, 45
and a key having a curved bifurcated bit
adapted to pass said ward and engage the
studs on the tumbler.
In testimony whereof I affix my signature
in presence oftwo witnesses.
BENJAMIN VAN HOESEN. [L. B.]
Witnesses:
J. H. DOWNs,
TRYON LEWIS.
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Van Hoesen, Benjamin. Lock, patent, January 28, 1913; [Washington D.C.]. (https://texashistory.unt.edu/ark:/67531/metapth513138/m1/4/: accessed July 18, 2024), University of North Texas Libraries, The Portal to Texas History, https://texashistory.unt.edu.; crediting UNT Libraries Government Documents Department.