Furniture joint

Claim 2

A joint for fastening together two structural elements such as furniture which comprises: a. a first element to be fastened, b. a first joint element comprising a first elongate channel member having in cross-section opposed legs with a longitudinally extending tongue extending from one leg toward the other and spaced from the base, c. means for fastening the first joint element along its length to the first element to be fastened, d. a second element to be fastened, e. a second joint element comprising a second elongate channel member having in cross-section spaced legs to receive said tongue in interlocking engagement, said second joint element being dimensioned relative to said first joint element to provide insertion space to permit insertion of said second joint element completely into said first channel member laterally prior to engagement of said tongue with said second joint element by a second lateral motion at right angles to said first lateral insertion, and f. means for fastening said second joint element to said second element to be fastened, the outer walls of the opposed legs of said first channel member of said firSt joint element being serrated, and said first element being provided with a groove to receive said first joint element having side walls to interlock with said serrations.

Claim 3

A joint for fastening together two structural elements such as furniture which comprises: a. a first element to be fastened, b. a first joint element comprising a first elongate channel member having in cross-section opposed legs with a longitudinally extending tongue extending from one leg toward the other and spaced from the base, c. means for fastening the first joint element along its length to the first element to be fastened, d. a second element to be fastened, e. a second joint element comprising a second elongate channel member having in cross-section spaced legs to receive said tongue in interlocking engagement, said second joint element being dimensioned relative to said first joint element to provide insertion space to permit insertion of said second joint element completely into said first channel member laterally prior to engagement of said tongue with said second joint element by a second lateral motion at right angles to said first lateral insertion, and f. means for fastening said second joint element to said second element to be fastened, the second joint element having an elongate projection on the outside of one of the legs thereof, and said second element having an elongate recess to receive and interlock with said projection.

Claim 4

A joint for fastening together two structural elements such as furniture which comprises: a. a first element to be fastened, b. a first joint element comprising a first elongate channel member having in cross-section opposed legs with a longitudinally extending tongue extending from one leg toward the other and spaced from the base, c. means for fastening the first joint element along its length to the first element to be fastened, d. a second element to be fastened, e. a second joint element comprising a second elongate channel member having in cross-section spaced legs to receive said tongue in interlocking engagement, said second joint element being dimensioned relative to said first joint element to provide insertion space to permit insertion of said second joint element completely into said first channel member laterally prior to engagement of said tongue with said second joint element by a second lateral motion at right angles to said first lateral insertion, and f. means for fastening said second joint element to said second element to be fastened, the second joint element having an elongate projection on the outside of one of the legs thereof, and said second element having an elongate recess to receive and interlock with said projection.

Claim 5

A joint for fastening together two structural elements such as furniture which comprises: a. a first element to be fastened, b. a first joint element comprising a first elongate channel member having in cross-section opposed legs with a longitudinally extending tongue extending from one leg toward the other and spaced from the base, c. means for fastening the first joint element along its length to the first element to be fastened, d. a second element to be fastened, e. a second joint element comprising a second elongate channel member having in cross-section spaced legs to receive said tongue in interlocking engagement, said second joint element being dimensioned relative to said first joint element to provide insertion space to permit insertion of said second joint element completely into said first channel member laterally prior to engagement of said tongue with said second joint element by a second lateral motion at right angles to said first lateral insertion, f. means for fastening said second joint element to said second element to be fastened, and g. longitudinally extending means to interfit in the insertion space between the inside of one leg of said first joint element and the base of the channel of said second joint element after said second lateral motion to block dislodgment and fill said space.

Claim 6

A joint for fastening together two structural elements such as furniture which comprises: a. a first element to be fastened, b. a first joint element comprising a first elongate channel member having in cross-section opposed legs with a longitudinally extending tongue extending from one leg toward the other and spaced from the base, c. means for fastening the first joint element along its length to the first element to be fastened, d. a second element to be fastened, e. a second joint element comprising a second elongate channel member having in cross-section spaced legs to receive said tongue in interlocking engagement, said second joint element being dimensioned relative to said first joint element to provide insertion space to permit insertion of said second joint element completely into said first channel member laterally prior to engagement of said tongue with said second joint element by a second lateral motion at right angles to said first lateral insertion, f. means for fastening said second joint element to said second element to be fastened, and g. longitudinally extending means to interfit in the insertion space between the inside of one leg of said first joint element and the base of the channel of said second joint element after said second lateral motion to block dislodgment and fill said space.

Claim 7

A joint for fastening together two structural elements such as furniture which comprises: a. a first element to be fastened, b. a first joint element comprising a first elongate channel member having in cross-section opposed legs with a longitudinally extending tongue extending from one leg toward the other and spaced from the base, c. means for fastening the first joint element along its length to the first element to be fastened, d. a second element to be fastened, e. a second joint element comprising a second elongate channel member having in cross-section spaced legs to receive said tongue in interlocking engagement, said second joint element being dimensioned relative to said first joint element to provide insertion space to permit insertion of said second joint element completely into said first channel member laterally prior to engagement of said tongue with said second joint element by a second lateral motion at right angles to said first lateral insertion, f. means for fastening said second joint element to said second element to be fastened, and g. longitudinally extending means positioned in the space between the inside of one leg of said first jOint element and the base of said second joint element after said second lateral motion to block dislodgment of said second joint element.

Claim 8

A joint for fastening together two structural elements such as furniture which comprises: a. a first element to be fastened, b. a first joint element comprising a first elongate channel member having in cross-section opposed legs with a longitudinally extending tongue extending from one leg toward the other and spaced from the base, c. means for fastening the first joint element along its length to the first element to be fastened, d. a second element to be fastened, e. a second joint element comprising a second elongate channel member having in cross-section spaced legs to receive said tongue in interlocking engagement, said second joint element being dimensioned relative to said first joint element to provide insertion space to permit insertion of said second joint element completely into said first channel member laterally prior to engagement of said tongue with said second joint element by a second lateral motion at right angles to said first lateral insertion, f. means for fastening said second joint element to said second element to be fastened, and g. longitudinally extending means positioned in the space between the inside of one leg of said first jOint element and the base of said second joint element after said second lateral motion to block dislodgment of said second joint element.

Claim 9

A joint as defined in claim 4 in which said means comprises a resilient projection movable out of said space in said first lateral motion and adapted to move by inherent resilience into said space after said second lateral motion.

Claim 10

A joint for fastening together two structural elements of an assembled unit such as furniture along a line of contact between the two elements which comprises: a. a first element to be fastened, b. first means forming a channel recess in a surface of said first element and an elongate first tongue extending in cross-section across said channel recess from one side toward the other spaced from the base of the channel leaving an insertion space between the end of the tongue and the other side of the channel, c. a second element to be fastened, d. second means forming an elongate joint member along a surface of said second element, said joint member having in cross-section a second tongue member insertable between said first tongue member and the base of said channel recess, said joint member being insertable into said insertion space of said channel recess in a lateral motion between said elements, said tongues being engaged in overlapped locked relation by a second lateral motion of said joint member relative to said channel in a direction at right angles to said first lateral motion, and e. means in said insertion space subsequent to said assembly to block disengagement of said first and second means.

Claim 11

A joint for fastening together two structural elements of an assembled unit such as furniture along a line of contact between the two elements which comprises: a. a first element to be fastened, b. first means forming a channel recess in a surface of said first element and an elongate first tongue extending in cross-section across said channel recess from one side toward the other spaced from the base of the channel leaving an insertion space between the end of the tongue and the other side of the channel, c. a second element to be fastened, d. second means forming an elongate joint member along a surface of said second element, said joint member having in cross-section a second tongue member insertable between said first tongue member and the base of said channel recess, said joint member being insertable into said insertion space of said channel recess in a lateral motion between said elements, said tongues being engaged in overlapped locked relation by a second lateral motion of said joint member relative to said channel in a direction at right angles to said first lateral motion, and e. means in said insertion space subsequent to said assembly to block disengagement of said first and second means.