PROBLEM TO BE SOLVED: To apply return closing force by a spring up to a predetermined angle in opening a double swinging door in either right or left direction, but to freely open and stop the door without applying return closing force by the spring when opening the door at the ...
1. A swinging door hinge unit including a mounting bracket adapted for attachment to a rigid support and having an arm extending therefrom for disposal in underlying relation to the path of swinging movement of a door with which said uni... ...
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swinging door- a door that swings on a double hinge; opens in either direction swing door batwing- one of a pair of swinging doors (as at the entrance to a western saloon) door- a swinging or sliding barrier that will close the entrance to a room or building or vehicle; "he knocked ...
double-acting hinge A hinge which permits motion in either of two directions; used on swinging doors. McGraw-Hill Dictionary of Architecture and Construction. Copyright © 2003 by McGraw-Hill Companies, Inc. Want to thank TFD for its existence?Tell a friend about us, add a link to this pa...
Door frame 1.5mm galvanized steel or 1.0mm thick 304stainless steel. Vision window special clean room glass. It is made from double layer tempered glass, and Its surface is on the same plane with door leaf, to avoid dust retention and realize easy cleaning. hinge 304 stainless steel. lock...
Cleanroom Single Swinging HPL Panel Doors, with Coated Finish. US$320.00-450.00 / Piece GMP Compliant Single Swinging Clean Room Doors with Durable Panels, HPL Door US$320.00-450.00 / Piece High Level Stainless Steel Air Shower Room with Best Price US$2,000.00-3,500.00...
Bommer Hinges-High Quality Durable Single | Double Action Hinges, Specialty, and Gate Pivot Hinges. Made in USA, Perfect for Swinging Doors & Full-Length Doors
refrigeration room single or double swinging door thermal insulated food warehouse impact traffic pivot door with black bumper $150.00 Min. order: 1 set stainless steel hollow metal double swing clean room doors flexible soft interior doors with glass for hospital and cleanroom $150.00 - $500.00 Mi...
FIG. 1 is a front view showing the present invention as dotted lines mounted as individual components above a conventional double swinging door assembly. FIG. 2 is a side view of the apparatus mounted above the door assembly and showing the hinge mountings of the doors. ...