Self-locking, self-aligning stepped spring hinge pin

Miscellaneous hardware (e.g. – bushing – carpet fastener – caster – Hinge – Including means to retain pintle in hinge

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Details

16386, 383 34, 383 43, E05D 512

Patent

active

045244863

ABSTRACT:
A method and apparatus are disclosed for assembling spring frame hinges that utilize a pin having a tapered self-aligning section, a stepped midsection and a raised diameter stopping element. By harvesting the offsetting tension created by the hinge tang and curls the pin is easily inserted, lockingly held securely in place without the use of any additional fastening technique and yet can be non-destructively disassembled with little difficulty. In preferred embodiments of the invention audio confirmation that the pin has been properly inserted is achieved and a locking flush pin is disclosed.

REFERENCES:
patent: 713338 (1902-11-01), Paquette
patent: 1589004 (1926-06-01), Stone
patent: 1607205 (1926-11-01), Lord
patent: 2817871 (1957-12-01), Ferry
patent: 2903033 (1959-09-01), Robinson
patent: 3068508 (1962-12-01), Heyer
patent: 3110057 (1963-11-01), Urich
patent: 3264678 (1966-08-01), Parmelee
patent: 3593364 (1971-07-01), Liautaud
patent: 3826565 (1974-07-01), Wenzel
patent: 4145124 (1979-03-01), Weisgerber
Leonardi Mfg. Co., Inc.-six page advertising flyer-undated-title, "Frames".

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