Voicecoil affixation

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 9025809
SERIAL NO

14147364

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Importance

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Abstract

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Disclosed loudspeakers include a frame, a magnetic yolk affixed to the frame, a voicecoil, a spider, a resilient surround, and a cone. The yoke includes a slotted sidewall and a central slug that form an air-gap. The voicecoil is disposed within the gap and includes a former, with top and bottom edges, and at least one winding. The voicecoil moves when receiving alternating electrical potentials. The spider has a flexible portion, has rigid members extending through the yolk slots, and has a channel affixed to the former bottom edge such that the channel is no wider than the former and winding(s). The cone includes an inner portion affixed to the former top edge and an outer portion affixed to the frame through the surround, wherein the inner portion includes rigid members capable of movement within the sidewall slots with movement of the voicecoil. Optionally, the former has apertures therethrough.

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First Claim

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Patent Owner(s)

Patent OwnerAddress
ROCKFORD CORPORATION600 SOUTH ROCKFORD DRIVE TEMPE AS 85281

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Kallen, Drew Gilbert, US 6 121
Strickland, James C Mesa, US 18 186

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