US 12,070,108 B2
Band device, wristwatch, and end piece
Kentaro Matsunaga, Tokyo (JP); and Tatsuhito Aono, Tokyo (JP)
Assigned to SONY CORPORATION, Tokyo (JP)
Appl. No. 16/763,225
Filed by SONY CORPORATION, Tokyo (JP)
PCT Filed Aug. 9, 2018, PCT No. PCT/JP2018/029983
§ 371(c)(1), (2) Date May 11, 2020,
PCT Pub. No. WO2019/097779, PCT Pub. Date May 23, 2019.
Claims priority of application No. 2017-222747 (JP), filed on Nov. 20, 2017.
Prior Publication US 2020/0329833 A1, Oct. 22, 2020
Int. Cl. A44C 5/14 (2006.01); A44C 5/22 (2006.01); G04B 37/16 (2006.01); G04G 17/04 (2006.01)
CPC A44C 5/14 (2013.01) [A44C 5/22 (2013.01); G04B 37/16 (2013.01); G04G 17/04 (2013.01)] 8 Claims
OG exemplary drawing
 
1. A band device, comprising:
an annular band portion; and
a plurality of end pieces attachable to and detachable from the annular band portion, wherein
the annular band portion includes:
a sensor module;
a first engaging portion which includes a plurality of pairs of recesses;
a second engaging portion;
the first engaging portion and the second engaging portion are detachably engaged with the plurality of end pieces, wherein
a watch head is attached to the plurality of end pieces,
a first end piece of the plurality of end pieces is engaged with the annular band portion at a first position based on an engagement of the first end piece with a pair of recesses of the plurality of pair of recesses of the first engaging portion,
a second end piece of the plurality of end pieces is engaged
an interval between the first position and the second position is adjustable, wherein
the interval is adjusted based on the first end piece being attachable and detachable with each of the pair of recesses of the plurality of pair of recesses of the first engaging portion; and
a buckle portion include a central blade, a first movable blade, and a second movable blade,
the first moveable blade includes a first link and a second link, the second movable blade includes a third link and a fourth link, the first link of the first movable blade is connected to a first end of the central blade via a first joint,
the third link of the second movable blade is connected to a second end of the central blade via a second joint,
the first link is connected to the second link via a third joint, and the third link is connected to the fourth link via a fourth joint, and in a closed state of the buckle portion,
the first movable blade is folded on a first side of the central blade and the second movable blade is folded on a second side of the central blade which is opposite to the first side of the central blade, and
an interval portion is between the first movable blade folded on the central blade and the second movable blade folded on the central blade.