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US4046362A Expired / Lapsed US ⏱️ 0.0 years remaining

Board holding device

Assignee: Individual
•
Filing: 1976-07-06
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Granted: 1977-09-06
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Expires: 1996-07-06
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Abstract

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.

Inventors

  • 👤 Milton L. Spillers

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-29 20:18
CPC Classifications
A; A63; A63B; A63B69/00; A63B69/331; B; B25; B25B; B25B5/00; B25B5/06; B25B5/10; B25B5/101

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 274 words
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.
Claim 2
Dependent Claim 274 words
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.

References Cited (Backward Citations)

US977835A Cited
US1508882A Cited
US2510596A Cited
US2993254A Cited
US3170708A Cited
US3443831A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1980-09-05 1981-03-07 1981-09-06 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1984-09-05 1985-03-07 1985-09-06 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1988-09-05 1989-03-07 1989-09-06 $7700.00 Window Closed / Lapsed

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