Three-way finger joint

Details Three-way finger joint Three-way finger joint

1981-10-21

1983-05-17

Kundrat, Andrew V.

Joints and connections

Three or more members connected at single locus

Mutually contacting

403382, F16B 1200

Patent

active

043837808

ABSTRACT:
A three-way finger joint for joining three structural elements comprising at least five layers of interlocking fingers and slots. The top and bottom finger elements on one member are identical to each other and to the corresponding elements on the other members. The middle layers comprise a fully interlocking arrangement of fingers and slots, in which a long finger on each member mates with corresponding slots on the other two. The long finger may be formed or cut off to be flush with the joint surface. The joint thus formed is strong, rigid and aesthetically pleasing.

REFERENCES:
patent: 366865 (1987-07-01), Newell
patent: 725422 (1903-04-01), Dorgan
patent: 757812 (1904-04-01), Keyes
patent: 1101786 (1914-06-01), Craine
patent: 1212262 (1917-01-01), Rockwell
Ernest Joyce, Encyclopedia of Furniture Making, Sterling Pub. Co., 1979, p. 209.

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