Closure check

Miscellaneous hardware (e.g. – bushing – carpet fastener – caster – Checks and closers

Patent

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Details

16 82, 16DIG17, 267 6412, E05F 300, E05F 500

Patent

active

048131008

ABSTRACT:
A closure check for temporarily bracing open a conventional cylinder/piston mechanism. The closure check comprises a longitudinal brace, positioning means, engagement means and disengagement means. The closure check can automatically engage with the cylinder/piston mechanism or can be engaged manually by a user.

REFERENCES:
patent: 3708825 (1973-01-01), Wood
patent: 4048695 (1977-09-01), Juilfs et al.
patent: 4078779 (1978-03-01), Molders
patent: 4430770 (1984-02-01), Niekrasz et al.
patent: 4449702 (1984-05-01), Hasegawa
patent: 4596383 (1986-06-01), Howard
patent: 4723765 (1988-02-01), Pearson
patent: 4744548 (1988-05-01), Hathaway

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