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1,101,368
the top thereof and each mounted to turn
on a central axis, a shaft, a gearing between
the shaft and doors for turning the latter
simultaneously in opposite directions, a
5 trigger pivotally mounted between the
doors, a two-winged catch mounted on the
shaft and arranged to engage the trigger, a
member connected with the trigger and
adapted to be engaged by the catch for re-
a
setting the trigger, and means tending to 10
turn the shaft constantly in one direction.
In testimony whereof I have signed my
name to this specification in the presence of
two subscribing witnesses.
..THOMAS A. WILLARD.
Witnesses:
G. M. THoMPSoN,
N. E. WLARD.
Copies of this patent may be obtained for five cents each, by addressing the "Commissioner of Patent-,
Washington, D. C."