US 11,994,659 B2
Magnifying device with multiple magnifications
Dario Greco, Winterthur (CH); Pierpasquale Tortora, Neuchâtel (CH); and Michel Willemin, Prêles (CH)
Assigned to The Swatch Group Research and Development Ltd, Marin (CH)
Filed by The Swatch Group Research and Development Ltd, Marin (CH)
Filed on Aug. 23, 2022, as Appl. No. 17/893,773.
Claims priority of application No. 21203857 (EP), filed on Oct. 21, 2021.
Prior Publication US 2023/0125471 A1, Apr. 27, 2023
Int. Cl. G02B 15/06 (2006.01); G02B 15/10 (2006.01)
CPC G02B 15/06 (2013.01) [G02B 15/10 (2013.01)] 15 Claims
OG exemplary drawing
 
1. A magnifying device with multiple magnifications, comprising:
an outer shell forming a body of revolution with an axis of revolution and having an inner cavity;
a first lens mounted at a first end of said outer shell; and
a second lens capable of moving between a retracted position and an extended position in which said second lens is superimposed on said first lens so as to change the optical characteristics of the magnifying device,
wherein said second lens is integral with a moving carriage capable of being actuated by the user via a carriage guide rod.