| 摘要 |
<p>A band-like accessory comprising many blocks (2) having a pair of connection legs (4a, 4b), a recess (5) formed between them and a projection (6) formed oppositely to the recess, adjoining blocks being linked with one another by inserting a projection into a recess and inserting a connection pin (3) into holes formed in the connection legs and the projection; wherein a block (2) has in one of holes thereof a fixed pin fixing tube (7); a connection pin (3) has an operation unit (14a) provided slidably in the axial direction of the pin, an engaging projection (17) formed on the operation unit and projecting radially and a spring for urging the operation unit outwardly; and the pin fixing tube (7) has a guide surface (21) at an end on a connection pin insertion side thereof, a guide groove (22) extending axially from the both ends of the guide surface, an engaging hole (23) formed circumferentially from the innermost end of the guide groove and a locking projection (24) formed between an inner wall on the axially outer side of the engaging hole. When the operation unit (14a) is pushed by a screw driver, the engaging projection is introduced into the guide groove from the guide surface and anchored with the locking projection of the engaging hole.</p> |
