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1,166,791
prongs, one of the prongs being elongated
beyond the other, the extending part being
bent at right angles to the casing, engaging
means carried by the bent over portion, a
5 latch, whose inner end is provided with a
slot, a bearing member passing through said
slot and fixed to the casing, said latch being
adapted to be swung around upon its bear-
ing into alinement with said recess and its
10 inner end moved into the recess and thereby
locked into fixed position relative to the
casing.
In testimony whereof I have signed my
name to this specification in the presence of
two subscribing witnesses.
F. SCROGGINS.
Witnesses:
A. C. SPRINGFIELD,
F. A. LIDDELL.
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Washington, D. C."