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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
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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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