The concatenated structure which uses the SIMM and the SIMM and the interior illuminating lamp which uses the SIMM

摘要

The present invention provides a shim capable of achieving downsizing without reducing a frictional force, a connecting structure using the shim, and an interior lamp using the shim. A connecting structure includes a first connection member (8) and a second connection member (7) capable of mutual relative rotation, and a shim (18) interposed between the members. The shim (18) includes a disc shaped base portion (18a) whose outer peripheral surface serves as a friction surface; a disc shaped major diameter portion (18b) provided in a stepped configuration, whose diameter is larger than that of the base portion (18a) and whose outer peripheral surface serves as a friction surface; and a square column shaped fixed portion (18c) projecting from the major diameter portion side in the axial direction. The first connection member (7) has a stepped shim-receiving hole (15) including a base portion receiver (15a) and a major diameter portion receiver (15b) rotatably fitted with the portions, respectively. The second connection member (7) includes a fixed portion receiver (21) fitted and held stationary with the fixed portion (18c).