CEILING HANGER
First Claim
Patent Images
1. A ceiling hanger for a projector, comprising:
- a first plate fixed to a ceiling surface;
a second plate positioned on the ceiling surface together with the first plate, forming a first rotation axis having a rotation axis in the up-down direction after fitted to the first plate, and allowing control in the horizontal direction around the first rotation axis;
a third plate forming a second rotation axis having a rotation axis in the front-rear direction after fitted to the second plate, and allowing control in the left-right direction around the second rotation axis; and
a fourth plate fixing the projector, forming a third rotation axis having a rotation axis in the left-right direction after fitted to the third plate, and allowing control in the up-down direction around the third rotation axis.
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Accused Products
Abstract
A ceiling hanger includes: a first plate fixed to a ceiling surface; a second plate forming a first rotation axis in the up-down direction after fitted to the first plate, and allowing control in the horizontal direction; a third plate forming a second rotation axis in the front-rear direction after fitted to the second plate, and allowing control in the left-right direction; and a fourth plate fixing a projector, forming a third rotation axis in the left-right direction after fitted to the third plate, and allowing control in the up-down direction.
30 Citations
19 Claims
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1. A ceiling hanger for a projector, comprising:
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a first plate fixed to a ceiling surface; a second plate positioned on the ceiling surface together with the first plate, forming a first rotation axis having a rotation axis in the up-down direction after fitted to the first plate, and allowing control in the horizontal direction around the first rotation axis; a third plate forming a second rotation axis having a rotation axis in the front-rear direction after fitted to the second plate, and allowing control in the left-right direction around the second rotation axis; and a fourth plate fixing the projector, forming a third rotation axis having a rotation axis in the left-right direction after fitted to the third plate, and allowing control in the up-down direction around the third rotation axis. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19)
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Specification