JP2011049059A5 - - Google Patents

Claims (8)

A main body that is attached to and detached from the imaging device;
A rotating part having a light emitting part and supported so as to be rotatable in the horizontal direction with respect to the main body part so that the light emitting direction from the light emitting part can be changed in the horizontal direction with respect to the main body part; With
One of the main body portion and the rotating portion includes a shaft portion that rotatably couples the rotating portion to the main body portion, a flange portion having a larger diameter than the shaft portion, and a periphery of the shaft portion. Has arc-shaped grooves continuously arranged so as to surround all
The other of the main body portion and the rotating portion has a shaft hole that rotatably accommodates the shaft portion, and a protrusion that is inserted into the groove and moves in the groove ,
It said groove has a contact portion you define the start and end points of the rotation range of the rotating part in contact with the protrusion,
In a state where the other of the main body portion and the rotating portion is divided into a plurality of members each having a concave portion that forms a part of the shaft hole, the shaft portion is fitted into the concave portion and the protrusion is inserted into the groove. Furthermore, the illuminating device in which the rotating part is rotatably supported by the main body part by coupling the plurality of members to each other. A main body that is attached to and detached from the imaging device;
A rotating part having a light emitting part and supported so as to be rotatable in the horizontal direction with respect to the main body part so that the light emitting direction from the light emitting part can be changed in the horizontal direction with respect to the main body part; With
One of the main body part and the rotating part has an axial hole and an arc-shaped groove continuously inserted so as to surround all around the axial hole,
The other of the main body part and the rotating part is a shaft part that is inserted through the shaft hole and connects the rotating part horizontally with respect to the main body part, a flange part having a larger diameter than the shaft part, And a protrusion that is inserted into the groove and moves in the groove ,
It said groove has a contact portion you define the start and end points of the rotation range of the rotating part in contact with the protrusion,
In a state where the one of the main body portion and the rotating portion is divided into a plurality of members each having a recess that forms part of the shaft hole, the shaft is fitted into the recess and the protrusion is inserted into the groove. Furthermore, the illuminating device in which the rotating part is rotatably supported by the main body part by coupling the plurality of members to each other.   The lighting device according to claim 1, wherein the groove forms an arc having a constant distance from the shaft portion.   The lighting device according to claim 1, wherein the groove has a spiral shape surrounding the shaft portion beyond 360 degrees. When the rotating part rotates horizontally with respect to the main body part while the movement of the protrusion is restricted by the guide groove extending in the radial direction of the shaft hole in the extending direction of the groove, the groove The lighting device according to claim 4, wherein the lighting device moves along the groove. The lighting device according to any one of claims 1 to 5, wherein a pair of the contact portions are provided so as to contact the protrusion and define a start point and an end point of a rotation range of the rotation portion. The said groove | channel is an illuminating device as described in any one of Claim 1-6 which has a protruding part which becomes resistance with respect to passage of the said protrusion, when the said rotation part rotates. The lighting device according to any one of claims 1 to 7 , wherein the groove has a bottom portion facing the tip end surface of the protrusion over the entire length.