Self-locking, self-aligning stepped pin and spring hinge

Miscellaneous hardware (e.g. – bushing – carpet fastener – caster – Hinge – Having means to facilitate assembly and disassembly of hinge...

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16381, 16386, E05D 512

Patent

active

047196661

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: 2903033 (1959-08-01), Robinson
patent: 3029697 (1962-04-01), Okner
patent: 3042961 (1962-07-01), Tieri
patent: 3264678 (1966-08-01), Parmelee
patent: 3594073 (1971-07-01), Liautaud
patent: 3826565 (1974-07-01), Wenzel
patent: 4524486 (1985-06-01), Rios et al.
Leonardi Mfg. Co., Inc.-Six page advertising flyer-undated title "Frames", Applications advise flyer appeared over 1 year prior to filing of the parent patent application.

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