US Patent 7604395 Anchor escapement including two escape wheel sets

Patent 7604395 was granted and assigned to ETA SA on October, 2009 by the United States Patent and Trademark Office.

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Patent Inventor Names

Andrés Cabezas Jurin0

Thierry Conus0

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Patent abstract

The escapement includes two distinct escape wheel sets (1, 2), a roller (3) including a first impulse pallet stone (5) cooperating with the first wheel set (1) and a third impulse pallet stone (12) cooperating with the second wheel set (2). An anchor piece (6) articulated on a pivot (7) cooperates with an impulse pin (4) via a fork (8) fitted to the anchor piece. This anchor piece carries second (9) and fourth (13) impulse pallet stones respectively cooperating with the first (1) and second (2) wheel sets. The same anchor piece carries first (10) and second (11) locking pallet stones cooperating with the second wheel set (2).

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