Apparatus for assembling speed lacers

Details Apparatus for assembling speed lacers Apparatus for assembling speed lacers

1986-01-14

1987-10-20

Goldberg, Howard N.

Metal working

Method of mechanical manufacture

Assembling or joining

29512, 29 33K, 294321, 29709, 29714, 227 27, A41H 3702

Patent

active

047004495

ABSTRACT:
A method and apparatus for assembling speed lacers on sheets, such as the lacing strips of boots, wherein the speed lacers are of generally U-shaped configuration and each comprises an arch-shaped end portion and a pair of spaced legs which extend therefrom terminating in apertures clamping discs. The apparatus comprises an assembly unit comprising a movable die assembly, a stationery die assembly, a punch assembly, a feed finger, a feed block, and a positioning pin. During operation of the apparatus in accordance with the method, a speed lacer is advanced through a channel in the feed block with the feed finger and received on the positioning pin adjacent the forward end of the channel, and the clamping discs of the speed lacer are engaged by dies of the die assemblies to deform the speed lacer to a clamping position wherein the clamping discs thereof clampingly engage the sheet. Thereafter, while the dies are still in engagement with the clamping discs, the punch assembly, which is operative through the center of one of the dies, punches an aperture in the sheet which is aligned with the apertures in the clamping discs.

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