An operating microscope includes a base set on a floor surface, a post held for rotation around a vertical rotation axis with respect to the base, a horizontal motion arm held for rotation around a first horizontal rotation axis with respect to the post, a vertical motion arm held for rotation around a second horizontal rotation axis with respect to the horizontal motion arm, a lens barrel portion supported by the vertical motion arm, an elastic member which is provided between the post and the horizontal motion arm and cancels an angular moment around the horizontal motion arm, a fulcrum which is provided on the horizontal motion arm and receives a force from the elastic member, and a fulcrum moving mechanism configured to shift the position of the fulcrum in a direction substantially perpendicular to a longitudinal direction of the horizontal motion arm.

Claims

7 · 2 independent · depth 2

7 granted claims

›1.independentAn operating microscope comprising:na base set on a floor surface;a post held for rotation around a vertical rotation axis with respect to the base;a …+1

›3.independentAn operating microscope comprising:na base set on a floor surface;a post held for rotation around a vertical rotation axis with respect to the base;a …+4

Classifications

5 codes

IPC · International Patent Classification

Section G — Physics

G02B21/00

USPC · US Patent Classification

359/384248/648600/102248/123.11

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Pendency

3.3 y

1,215 days filing → grant

Office actions

after a restriction

Responses

1 RCE

Examiner

Arnel C Lavarias

art unit 2872 · TC 2800

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Citations: 9 back · 0 forward

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Priority chain

1 priority documents

›Priority documents — 1

Type	Document	Date
related publication	US 20060291045 A1	28 Dec 2006

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