US Patent No. 10,859,895

PROJECTOR APPARATUS


Patent No. 10,859,895
Issue Date December 08, 2020
Title Projector Apparatus
Inventorship Marie Shimamura, Tokyo (JP)
Jun Hirota, Tokyo (JP)
Hajime Fukushima, Tokyo (JP)
Kunitaka Furuichi, Tokyo (JP)
Assignee THK CO., LTD., Tokyo (JP) NEC DISPLAY SOLUTIONS, LTD., Tokyo (JP)

Claim of US Patent No. 10,859,895

1. A projector apparatus comprising:a base plate attached inside a projector body;
a lens supporting unit attached to the base plate and supporting a projection lens so as to be movable relative to the base plate;
guiding mechanisms for guiding the lens supporting unit so as to be freely movable in a horizontal direction and a normal direction relative to the base plate; and
fixing devices which fix the base plate to the projector body,
wherein the fixing devices comprise:
a plurality of first fixing devices provided at peripheral edges of the base plate; and
second fixing devices provided on an inner side of the plurality of first fixing devices, and wherein the guiding mechanisms for guiding the lens supporting unit so as to be freely movable in the horizontal direction comprise:
a guiding mechanism for guiding the lens supporting unit so as to be freely movable in an optical axis direction of the projection lens; and
a guiding mechanism for guiding the lens supporting unit so as to be freely movable in a left/right direction of the projector apparatus.