CH579703A5CH117075ACH117075ACH579703A5CH 579703 A5CH579703 A5CH 579703A5CH 117075 ACH117075 ACH 117075ACH 117075 ACH117075 ACH 117075ACH 579703 A5CH579703 A5CH 579703A5
Authority
CH
Switzerland
Application number
CH117075A
Original Assignee
Ver Baubeschlag Gretsch Co
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Ver Baubeschlag Gretsch CofiledCriticalVer Baubeschlag Gretsch Co
Publication of CH579703A5publicationCriticalpatent/CH579703A5/xx
E05F—DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
E05F3/00—Closers or openers with braking devices, e.g. checks; Construction of pneumatic or liquid braking devices
E05F3/04—Closers or openers with braking devices, e.g. checks; Construction of pneumatic or liquid braking devices with liquid piston brakes
E05F3/12—Special devices controlling the circulation of the liquid, e.g. valve arrangement