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1,294,289
the inclined end of said bar whereby said
arm will extend at a definite angle to said
bar.
4. A device of the character described
5 comprising a bar, a pair of slotted links dis-
posed upon opposite sides of each end there-
of, a bolt extending through said bar and
through said slotted links, said bar being
provided with an arcuate slot concentric
e
with said bolt, and an adjusting bolt ex- 10
tending through said arcuate slot and
through the slot in one of the links, an arm
pivotally connected to and extending be-
tween said links, and a brace pivotally con-
nected with said arm and slidably connected 15
with said bar.
In testimony whereof I affix my signature.
JIM E. McDERMETT.
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Washington, D. C."