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US 12,501,220 B2Granted
Speaker and method of producing the same
AssigneeFoster Electric Company, Limited
InventorsEiichiro Suzuki, Yusuke Yoshizawa
Life of this patent
Estimating the term…
Abstract
A speaker includes: an edge having an outer circumference attached on an edge mounting portion of a resin frame by a resin ring provided on a front surface of the outer circumference. Interposed between the edge mounting portion and the resin ring is a projection-like energy director having a part abutting on one of the members and being melted from the part by ultrasonic waves.
Claims4
A speaker comprising:
- an edge having an outer circumference attached on an edge mounting portion of a resin frame by a resin ring provided on a front surface of the outer circumference,
- the edge mounting portion including an energy director having a tip portion abutting on a back surface of the resin ring and being meltable from the tip portion by ultrasonic waves, and
- an edge compressing rib being more inner than the energy director, the edge compressing rib being configured to press and put pressures on a back surface of the outer circumference of the edge.
A speaker comprising:
- an edge having an outer circumference attached on an edge mounting portion of a resin frame by a resin ring provided on a front surface of the outer circumference,
- the resin ring including, on a back surface thereof, an energy director having a tip portion abutting on a front surface of the edge mounting portion and being meltable from the tip portion by ultrasonic waves, and
- an edge compressing rib being more inner than the energy director, the edge compressing rib being configured to press and put pressure on a front surface of the outer circumference of the edge.
Dependencies are inferred from the claim text.