E05F1/04 - CPC Classification Index

ClassID:

133552 ⎘

E05F1/04 - CPC Classification

Classification description:

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

Sub-classes:

E05F1/043 » {with cams, helical tracks } 17
E05F1/046 » {with rectilinearly-inclined tracks for sliding wings} 6
E05F1/06 » Mechanisms in the shape of hinges or pivots, operated by the weight of the wing 10

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