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US 4,046,362 AGranted
Board holding device
OwnerMilton L. Spillersinventor
Life of this patent
Estimating the term…
Abstract
This device is for use in the martial arts such as karate. The device consists primarily of a pair of units with handle grip means and clamp means for rendering a multiple number of wooden boards stationary, so as to be broken simultaneously.
Claims1
A board holding device, comprising in combination, a pair of clamp units secured around opposite ends of a plurality of same-length boards stacked in a row with flat sides thereof abutting each other;
- each of said clamp units being comprised of an angle iron having a pair of legs at right angles to each other, an L-shaped plate comprised of a wide panel and a narrow panel at right angles to each other, and end edge of said plate wide panel abutting an end edge of one of said angle iron legs and being secured thereto, one flat side of said plate wide panel and one flat side of said angle iron leg abutting said board ends, an overlapping plate having one flat side abutting an opposite flat side of said L-shaped plate wide panel and an opposite flat side of said angle iron leg and being welded thereto, said overlapping plate bridging said welded, abutting end edges of said plate wide panel and said angle iron leg, an opposite side of said overlapping plate having a U-shaped handle grip welded thereto;
- said narrow panel of said L-shaped plate having a nut fastener welded thereto, an opening of said nut fastener being aligned with an opening through said narrow panel, a bolt extending through said narrow panel opening being threadingly engaged in said nut fastener, the other of said angle iron legs abutting with one endmost of said plurality of boards, while a pivotable portion on an end of said bolt abuts an opposite endmost of said plurality of boards when a winged head upon an opposite end of said bolt is manually turned.
Dependencies are inferred from the claim text.