Title:
OVERHEAD PROJECTOR
Document Type and Number:
Japanese Patent JP2843761
Kind Code:
B2
Abstract:
PURPOSE: To provide an overhead projector whose operation for folding a supporter is easy.
CONSTITUTION: This projector is provided with a 1st locking lever 71 which is manually operated to be moved between a locking position where it is engaged with a bracket 54 integrally fixed with the supporter 50 supporting a projection head as a locking means 70 for locking the leg 50 at a using position and a locking release position where it is separated from the bracket 54, and locking the supporter 50 at the using position when it is at the locking position and releasing the locking of the supporter 50 when it is at the locking release position; and a 2nd locking lever 72 provided to be moved between a locking position where the 1st lever 71 is prevented from moving from the locking position to the locking release position and a locking release position where it is allowed to move from the locking position to the locking release position and moved to the locking position to the locking release position by gravity when the housing 11 is allowed to fall so that a side surface where the supporter 50 lies down may turn upward.
Inventors:
MAEDA TOSHIKAZU
YAMANE AKIRA
SUKENARI KAZUHIRO
YAMANE AKIRA
SUKENARI KAZUHIRO
Application Number:
JP11414194A
Publication Date:
January 06, 1999
Filing Date:
April 30, 1994
Export Citation:
Assignee:
ERUMOSHA KK
International Classes:
G03B21/132; G03B21/30; (IPC1-7): G03B21/132; G03B21/30
Domestic Patent References:
| JP6097865U | ||||
| JP678950U | ||||
| JP6044034U | ||||
| JP62125235U | ||||
| JP61190545U | ||||
| JP60173941U |
Attorney, Agent or Firm:
Hajime Miyake
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