Timber joining system

Details Timber joining system Timber joining system

1989-04-17

1991-01-01

Kundrat, Andrew V.

Joints and connections

Rod end to transverse side of member

Utilizing opposite sides of member

403382, 403403, B25G 300, F16B 900

Patent

active

049813889

ABSTRACT:
The improved joinery system provides a concealed means for connecting two or more wooden members at a variety of angles.
Each connection consists of a short tenon on one member being inserted into a shallow mortise in the second member and having a bolt passing through one member into the second member where it threads into an anchor nut. The anchor nut is a metal rod with one or more threaded holes for bolt insertion. The anchor nut is held in place within the member in correct alignment by means of a pressed in sleeve through which the bolt passes when inserted to complete the connection. Wooden plugs may be used to fill anchor nut and bolt counterbores to fully conceal fastening hardware.
A Belleville disc springs may be used btween bolt head and flat washer to maintain joint tightness during wood shrinkage.

REFERENCES:
patent: 470995 (1892-03-01), Duchemin
patent: 4012153 (1977-03-01), Pidgeon et al.
patent: 4261665 (1981-04-01), Hsiung

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