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US 4,069,548 AGranted
Hinge for use with window assembly
OwnerJohannes Harald Bierlichinventor
Life of this patent
Estimating the term…
Abstract
A hinge for use in a horizontally pivoted window assembly comprises a pivot member cooperable with an eye member and means responsive to the weight of a window acting on either of said members to increase the friction therebetween after an initial opening movement of the hinge.
Claims10
A hinge for use in a horizontally pivoted window assembly, said hinge having a pivot member, an eye member co-operable with the pivot member, and means responsive, when the pivot and eye members are assembled, to the weight of a window acting on either of said members to increase the friction therebetween after an initial opening movement of the hinge.
Dependencies are inferred from the claim text.