Patent ID: 11927764
Assignee: MEGAGEN IMPLANT CO., LTD.
Field: Medical technology (Instruments)
Classification: CPC G  A | IPC A  G

Claim 0:
1. A head mounted display device comprising:
a head mount unit wearable on a head of a user;
a display unit supported on the head mount unit and sending an image to eyes of the user; and
a position adjustment unit coupled to the head mount unit, connected to the display unit, and moving the display unit relative to the head mount unit such that a position of the display unit varies with respect to the eyes of the user,
wherein the position adjustment unit comprises:
a movement module moving the display unit in a direction approaching or receding from the head mount unit; and
a rotation module connected to the movement module and rotating the display unit with respect to the head mount unit, and
wherein the movement module comprises:
a first connection arm connected to the head mount unit;
a second connection arm connected to the display unit; and
a moving block coupled to the second connection arm and coupled to the first connection arm to be movable relative thereto,
wherein a first insertion hole, in which one end portion of the moving block is inserted, is formed in the first connection arm,
wherein a second insertion hole, in which the other end portion of the moving block is inserted, is formed in the second connection arm, and
wherein a plurality of locking recesses are formed in any one of one surface of the moving block and an inner wall surface of the first insertion hole, and a plurality of locking protrusions inserted in the locking recesses are formed on the other of the one surface of the moving block and the inner wall surface of the first insertion hole.