Vibrating armature drive - has frame carrying coil and fixed on top branch of U-shaped spring

摘要

The vibrating armature drive incudes a U-shaped spring (1) on the upper limb or which is fixed a frame carrying a coil, and at least one edge of the upper limb or branch (1a) is corrugated (1c). The frame or mounting strip (2) is fixed, together with its coil (5) on the top branch (1a) of the U-shaped spring (1) by means of retainer-clamps (3) which are riveted to the mounting frame (2) by means of long rivets which pass through perforations (3a) in the retainer-clamps (3). ADVANTAGE - Relatively cost-friendly machine tools required for mfr; vibration Q easily and finely adjustable.