Pivot pin assembly for folding door

Details Pivot pin assembly for folding door Pivot pin assembly for folding door

1994-10-27

1996-10-29

Rachuba, M.

Miscellaneous hardware (e.g., bushing, carpet fastener, caster,

Hinge

Including adjustment for changing relative orientation of...

16248, E05D 704

Patent

active

055686737

ABSTRACT:
A means for the vertical or height adjustment of folding doors comprises a pivot pin assembly utilizing a threaded adjustment bolt with a separate, unthreaded pivot pin. The bolt is threaded into the sleeve above the pivot pin. A lower interior portion of the sleeve includes a polygonal interior cross-section which matches the head of the pin and prevents the pin from rotating. The pivot pin may be held within the sleeve during shipment and installation by a friction fit with a cap positioned in the bottom of the sleeve, or instead a spring may be used between the pivot pin and cap to urge the pin upwardly. Rotation of the bolt vertically adjusts the pin.

REFERENCES:
patent: 1563869 (1925-12-01), Larson
patent: 2915118 (1959-12-01), Capitani
patent: 3170506 (1965-02-01), Johnson
patent: 3302691 (1967-02-01), Andrews et al.
patent: 3390418 (1968-07-01), Sheridan
patent: 3597790 (1971-08-01), Kellem
patent: 4095310 (1978-06-01), Governale
patent: 4729615 (1988-03-01), Ishizawa et al.

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