Arm-wearable device and timepiece

Abstract

An arm-wearable device includes: a device main body; and a band that includes a part that has elasticity and a part that allows adjustment of a length of the band by a method other than elasticity. The band is configured such that the length of the band is adjustable as a whole.

1 . An arm-wearable device comprising:
 a device main body; and   a band that includes a part that has elasticity and a part that allows adjustment of a length of the band by a method other than elasticity,   wherein the band is configured such that the length of the band is adjustable as a whole.   
     
     
         2 . The arm-wearable device according to  claim 1 , wherein:
 the part that has elasticity is an elastic member provided at a first side of the device main body, and   the part that allows adjustment of the length of the band by a method other than elasticity is a band main body provided at a second side of the device main body different from the first side.   
     
     
         3 . The arm-wearable device according to  claim 2 , wherein:
 the elastic member has restoring force, and   the band main body is less elastic than the elastic member.   
     
     
         4 . The arm-wearable device according to  claim 2 , wherein:
 the device main body includes a pair of band attachment parts at opposite positions,   the band main body includes an end piece, and   the end piece is attached to the band attachment part at the second side of the device main body.   
     
     
         5 . The arm-wearable device according to  claim 3 , wherein:
 the device main body includes a pair of band attachment parts at opposite positions,   the band main body includes an end piece, and   the end piece is attached to the band attachment part at the second side of the device main body.   
     
     
         6 . The arm-wearable device according to  claim 2 , wherein:
 the device main body includes a pair of band attachment parts at opposite positions,   the band main body is attached to the band attachment part at the second side of the device main body, and
 the band main body includes a buckle at a free end side of the band main body. 
   
     
     
         7 . The arm-wearable device according to  claim 3 , wherein:
 the device main body includes a pair of band attachment parts at opposite positions,   the band main body is attached to the band attachment part at the second side of the device main body, and
 the band main body includes a buckle at a free end side of the band main body. 
   
     
     
         8 . The arm-wearable device according to  claim 4 , wherein:
 the device main body includes a pair of band attachment parts at opposite positions,   the band main body is attached to the band attachment part at the second side of the device main body, and
 the band main body includes a buckle at a free end side of the band main body. 
   
     
     
         9 . The arm-wearable device according to  claim 6 , further comprising a connection member, wherein:
 the connection member is attached to the band attachment part at the first side of the device main body,
 the elastic member is attached to the connection member, 
 at least one end of the elastic member is connected to the buckle, and 
   a length of the band main body is adjustable with the buckle.   
     
     
         10 . The arm-wearable device according to  claim 7 , further comprising a connection member, wherein:
 the connection member is attached to the band attachment part at the first side of the device main body,
 the elastic member is attached to the connection member, 
 at least one end of the elastic member is connected to the buckle, and 
   a length of the band main body is adjustable with the buckle.   
     
     
         11 . The arm-wearable device according to  claim 8 , further comprising a connection member, wherein:
 the connection member is attached to the band attachment part at the first side of the device main body,
 the elastic member is attached to the connection member, 
 at least one end of the elastic member is connected to the buckle, and 
   a length of the band main body is adjustable with the buckle.   
     
     
         12 . The arm-wearable device according to  claim 2 , wherein:
 the band main body includes a belt-shaped band part, and   at least parts of the band part overlap with each other in a length direction of the band part.   
     
     
         13 . The arm-wearable device according to  claim 3 , wherein:
 the band main body includes a belt-shaped band part, and   at least parts of the band part overlap with each other in a length direction of the band part.   
     
     
         14 . The arm-wearable device according to  claim 4 , wherein:
 the band main body includes a belt-shaped band part, and   at least parts of the band part overlap with each other in a length direction of the band part.   
     
     
         15 . The arm-wearable device according to  claim 6 , wherein:
 the band main body includes a belt-shaped band part, and   at least parts of the band part overlap with each other in a length direction of the band part.   
     
     
         16 . The arm-wearable device according to  claim 9 , wherein:
 the band main body includes a belt-shaped band part,   the buckle includes bars that are perpendicular to a length direction of the band part, and
 the length of the band main body is adjusted by winding the band part around the bars. 
   
     
     
         17 . The arm-wearable device according to  claim 9 , wherein:
 the elastic member is a loop member,   the connection member includes a loop catcher, and   the loop member is caught on the loop catcher and thereby connected to the band attachment part via the connection member.   
     
     
         18 . The arm-wearable device according to  claim 9 , wherein:
 the buckle includes an attachment part to which one end of the elastic member is connected and a lock projection, and   when the arm-wearable device is worn, the elastic member is folded back at the connection member, and another end of the elastic member is locked by the lock projection.   
     
     
         19 . The arm-wearable device according to  claim 18 , wherein the elastic member includes a pull part at a portion to be locked by the lock projection of the buckle. 
     
     
         20 . A timepiece comprising:
 a timepiece main body; and   a band that is attached to the timepiece main body and that includes a part that has elasticity and a part that allows adjustment of a length of the band by a method other than elasticity,   wherein the band is configured such that a length of the band is adjustable as a whole.