133559 ⎘
Closers or openers for wings, not otherwise provided for in this subclass gravity-actuated, e.g. by use of counterweights for wings which lift during movement, operated by their own weight; Mechanisms in the shape of hinges or pivots, operated by the weight of the wing with cams or helical tracks Helical grooves, slots, threads or the like
Pneumatic fare gate
#2Systems and methods for sealing a compartment
#3Security gate with closer system
#4Security gate with gate lock
#5Angle-adjustable positioning and self-closing hinge for highly sealed door
#6Hinge device for an automated door
#7Geared hinge assembly
#8Heavy duty riser hinge
#9Hinge
#10Automatic opening hinge assembly for portable electronic devices
#11Automatically opening hinge assembly for portable electronic devices
#12Hinge assembly for foldable electronic device
#13Safety gate assembly