STEERING COLUMN DEVICE

A steering column device includes an inner tube (120), a housing (130), and a lock mechanism (150) configured. The lock mechanism (150) includes a first engagement member (151), a second engagement member (152), a first urging member (153), a second urging member (154), a cam member (155) configured to rotate about a rotation axis extending in a direction in which the first urging member (153) and the second urging member (154) are arranged such that the second urging member (154) serving as a follower is moved in the direction in which the first urging member (153) and the second urging member (154) are arranged to change a magnitude relationship between an urging force of the first urging member (153) and an urging force of the second urging member (154), and an operation lever (156) configured to operate the cam member (155). 本发明涉及一种转向柱装置，该转向柱装置包括内管(120)、壳体(130)和所构造的锁定机构(150)。锁定机构(150)包括第一接合构件(151)、第二接合构件(152)、第一推压构件(153)、第二推压构件(154)、凸轮构件(155)和操作杆(156)，凸轮构件(155)构造成围绕在排列有第一推压构件(153)和第二推压构件(154)的方向上延伸的旋转轴线旋转