Patent ID: 8307501
Filing Date: 2012-11-13
Classification: G02C,Y10T

Abstract:
1. A spring hinge between a bow and a bow cheek of a pair of spectacles having: a cheek-side hinge part forming a bearing fork, a bow-side hinge part mounted to be rotatable in the bearing fork by a hinge axle, a U-shaped sliding part having two legs, supporting the bow-side hinge part, guided to be displaceable in a recess of a bow-side housing in the bow longitudinal direction, and receiving a coiled spring between the two legs, the coiled spring: wherein the cheek-side hinge part forms an insert inserted into a laterally closed receptacle pocket of the bow cheek, and wherein the bow cheek exposes a passage for the buttress, the passage for the buttress being coaxial to the coiled spring, in an angled bow position.