Hydraulic hinge with door closing mechanism

Details Hydraulic hinge with door closing mechanism Hydraulic hinge with door closing mechanism

1980-08-14

1982-11-16

Reynolds, Wm. Carter

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

Checks and closers

Liquid

16 58, E05F 304

Patent

active

043588700

ABSTRACT:
A hydraulic hinge, which can close automatically a door and firmly hold the door at a certain open position without any conventional door closer or door checking device, comprises a casing, a seat having a hexagonal opening therein, a buffer hydraulic mechanism and a spiral reversing spring installed in the casing, and a piston mounted on the buffer hydraulic mechanism and having a hexagonal piston stem extending through the spiral reversing spring to move reciprocatively within the hexagonal opening of the seat.

REFERENCES:
patent: Re15082 (1921-04-01), Franckaerts
patent: 491898 (1893-02-01), Lowe
patent: 1937685 (1933-12-01), Burdick et al.
patent: 3401422 (1968-09-01), Ventura

Affiliated with

Also associated with

Rating

Hydraulic hinge with door closing mechanism does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Hydraulic hinge with door closing mechanism, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Hydraulic hinge with door closing mechanism will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-1431462