US 12,292,575 B2
Head mounted display having left and right frames with coupling mechanisms
Kazuya Kamakura, Matsumoto (JP)
Assigned to SEIKO EPSON CORPORATION, Tokyo (JP)
Filed by SEIKO EPSON CORPORATION, Tokyo (JP)
Filed on Jan. 27, 2022, as Appl. No. 17/586,415.
Claims priority of application No. 2021-011760 (JP), filed on Jan. 28, 2021.
Prior Publication US 2022/0236579 A1, Jul. 28, 2022
Int. Cl. G02B 27/01 (2006.01)
CPC G02B 27/0176 (2013.01) [G02B 27/0172 (2013.01); G02B 2027/013 (2013.01); G02B 2027/0161 (2013.01); G02B 2027/0169 (2013.01); G02B 2027/0178 (2013.01)] 9 Claims
OG exemplary drawing
 
1. An image display device comprising:
a first display unit that includes a first frame;
a second display unit that includes a second frame; and
a fixing member that fixes a first position of the first display unit with respect to a second position of the second display unit, wherein
the fixing member rotates the second display unit with respect to the first display unit in rotational directions around two or more axes,
the fixing member includes a spherical first fixing portion provided on a side of the first frame and a spherical second fixing portion provided on a side of the second frame,
the first display unit includes a first cover member configured to cover the first fixing portion from an opposite side of the first frame,
the first cover member includes a hemispherical third concave portion into which the first fixing portion is inserted,
the second display unit includes a second cover member configured to cover the second fixing portion from an opposite side of the second frame,
the second cover member includes a hemispherical fourth concave portion into which the second fixing portion is inserted, and
the first fixing portion and the third concave portion, and the second fixing portion and the fourth concave portion are fixed to each other by screwing.