Work holders – Work-stop abutment – Vertically compressible abutment
Patent
1978-06-20
1980-10-28
Simpson, Othell M.
Work holders
Work-stop abutment
Vertically compressible abutment
40158A, 85 13, 403 11, 100DIG13, 144308, 227152, B23Q 302, B23Q 318
Patent
active
042303109
ABSTRACT:
Holding members for engaging the corners of base plates of nail plates while wooden beams are force down on the upwardly projecting nails to form a truss are made of resilient plastics material of about the same thickness as the base plate and provided with a self-adhesive surface for fixing them relatively to a preparation table. Each holding member is formed at one side so as to lie against the edge of the base plate at at least two points respectively on both sides of the the associated corner. A comparatively thin supporting layer of harder material may be secured on the upper face or between or on both faces of the resilient material.
REFERENCES:
patent: 156232 (1874-10-01), Odell
patent: 3232603 (1966-02-01), Gaither et al.
patent: 3837274 (1974-09-01), Zaccard
Lega-Norm AG
Parker Roscoe V.
Simpson Othell M.
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