Abstract: An apparatus for treating the marginal edge portion of a shoe sole, including a longitudinally reciprocable carriage supporting a template having an opening or cavity of generally the same profile as and smaller than, a sole to be treated, whereby the sole is supported on the template covering the opening. A suction is created within the covered opening to draw the central portion of the sole down into the opening while the marginal edge portion of the sole is supported on the top of the pattern member. The carriage is driven longitudinally beneath a transverse pressure roller at an elevation to cause a transverse knife to engage only the supported marginal edge portion of the sole to split the same, while passing over the depressed central portion of the sole. After the sole has been split, the vacuum is removed to facilitate discharge of the cut sole.

Abstract: A staple throat for a stapling machine comprising a one-piece body member having a central longitudinal bore therethrough, and diametrically opposed elongated guide slots in the sides of the bore for receiving and guiding staples and a flat staple driver toward an anvil in the stapling machine.

Abstract: A capo including a top pressure bar and a pivotally mounted bottom pressure bar projecting from a frame, respectively, above and below the neck of a stringed musical instrument. A manual lever pivotally mounted on the frame carries a bearing member for engaging the mounting arm in order to swing the bottom pressure bar toward and away from engagment with the bottom surface of the neck in response to the movement of the manual lever, the top pressure bar being adapted to force the strings against the fret board in operative position in order to raise the pitch of the instrument when the lever has forced the bottom pressure bar against the bottom surface of the instrument.

Abstract: A capo including a top pressure bar and a bottom pressure bar projecting from a frame, respectively, above and below the neck of a stringed musical instrument. The bottom pressure bar is operatively connected to a manual lever through a toggle mechanism for movement of the bottom pressure bar toward and away from engagement with the bottom surface of the neck in response to the movement of the manual lever, the top pressure bar being adapted to force the strings against the fret board in operative position in order to raise the pitch of the instrument.