E - Fixed Constructions – 05 – D
Patent
E - Fixed Constructions
05
D
E05D 7/00 (2006.01) E05F 3/10 (2006.01) E05F 3/12 (2006.01)
Patent
CA 2097273
ABSTRACT The present invention discloses an improved floor hinge for automatically closing a push-pull door. In a conventional floor hinge, mechanical parts and hydraulic parts are located in one room filled with one working oil, thereby causing mechanical abrasion and oil contamination, leading to improper operations and a short life-span. And it's constant closing speed caused a great loss of air conditioning. Furthermore, it is very difficult to install and adjust. According to the present invention, lubrication oil and working oil are respectively provided to separated mechanical and hydraulic parts, thus achieve a long-term reliable operations of the hinge. And a main and auxiliary conduits enables a smooth closing, and integral levelling means facilitate its installation and adjustment. (FIGURE 2)
Lee Moon-Hyoun
Ridout & Maybee Llp
LandOfFree
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