JPS5799663A - Driving device for optical system of copying machine, or the like - Google Patents

Driving device for optical system of copying machine, or the like

Info

Publication number
JPS5799663A
JPS5799663A JP17605180A JP17605180A JPS5799663A JP S5799663 A JPS5799663 A JP S5799663A JP 17605180 A JP17605180 A JP 17605180A JP 17605180 A JP17605180 A JP 17605180A JP S5799663 A JPS5799663 A JP S5799663A
Authority
JP
Japan
Prior art keywords
moving body
optical system
force
generated
spring
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
JP17605180A
Other languages
Japanese (ja)
Inventor
Hiroshi Koide
Junichi Watanabe
Narimoto Tenmiyo
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Ricoh Co Ltd
Original Assignee
Ricoh Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Ricoh Co Ltd filed Critical Ricoh Co Ltd
Priority to JP17605180A priority Critical patent/JPS5799663A/en
Publication of JPS5799663A publication Critical patent/JPS5799663A/en
Pending legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B27/00—Photographic printing apparatus
    • G03B27/32—Projection printing apparatus, e.g. enlarger, copying camera
    • G03B27/52—Details
    • G03B27/522—Projection optics
    • G03B27/525—Projection optics for slit exposure
    • G03B27/526—Projection optics for slit exposure in which the projection optics move

Landscapes

  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • General Physics & Mathematics (AREA)
  • Exposure Or Original Feeding In Electrophotography (AREA)
  • Optical Systems Of Projection Type Copiers (AREA)

Abstract

PURPOSE:To stop a moving body, which includes an optical system, at an optional position by providing a compensating-force generator by a member which includes a spring, and by canceling the components of force, generated by the weight of the moving body, by the generated force. CONSTITUTION:When a copying machine is in scanning operation for exposure, a current is supplied to the coil 8 of a linear motor RM, so that a lens frame 5 moves along guide rods 6 and 7 in a direction X. A moving body including this optical system, when a wire 24 moves as shown by an arrow Y through the rotation of a motor 14, uncoils a spiral spring 17 during the lowering of a base 3 or coils the spring 17 round a fixed shaft 18 during the elevation of the base 3, and consequently force which is nearly as large as the absolute value of the component of force generated in the moving direction of the moving body and has the opposite direction is generated and applied to the moving body, so that the moving body including the optical system is placed in a still state at an optional position.
JP17605180A 1980-12-13 1980-12-13 Driving device for optical system of copying machine, or the like Pending JPS5799663A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP17605180A JPS5799663A (en) 1980-12-13 1980-12-13 Driving device for optical system of copying machine, or the like

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP17605180A JPS5799663A (en) 1980-12-13 1980-12-13 Driving device for optical system of copying machine, or the like

Publications (1)

Publication Number Publication Date
JPS5799663A true JPS5799663A (en) 1982-06-21

Family

ID=16006852

Family Applications (1)

Application Number Title Priority Date Filing Date
JP17605180A Pending JPS5799663A (en) 1980-12-13 1980-12-13 Driving device for optical system of copying machine, or the like

Country Status (1)

Country Link
JP (1) JPS5799663A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0358640U (en) * 1990-09-27 1991-06-07

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0358640U (en) * 1990-09-27 1991-06-07

Similar Documents

Publication Publication Date Title
SG54248A1 (en) Equipment and method for the damping of oscillations at a lift cage
DE3565778D1 (en) Mechanotherapy apparatus
JPS6415047A (en) Eye training apparatus
JPS5799663A (en) Driving device for optical system of copying machine, or the like
DE3135180C2 (en)
JPS57180526A (en) Stopping device for mover in transport apparatus
JPS5794940A (en) Optical disk device
SE9702262L (en) Apparatus and method for compensating the deformation of a machine element and any supporting means
FR2682541B1 (en) DEVICE FOR DRIVING A PORTAL BY AN ELECTRIC MOTOR.
JPS5657062A (en) Optical system moving device in electrophotographic copier
ATE69399T1 (en) STUD WELDING MACHINE.
JPS56149044A (en) Original holder for composer
DE3471901D1 (en) Drive mechanism for a carriage supporting a type carrier, print head, magnetic head or the like
ITFI910126A1 (en) MACHINERY REFINEMENTS FOR WINDING SADDLE COILS.
JPS6435781A (en) Optical head device
SE9401573D0 (en) Rotator
JPS5260477A (en) Hammer driving device
JPS5518315A (en) Component fitting-in device
ES265218Y (en) "PERFECTED COMMAND DEVICE FOR MACHINE-TOOL".
JPS5577762A (en) Copy magnification varying device
JPS5725150A (en) Linear motor
JPS5771529A (en) Movable lens for controlling focus
SU760214A1 (en) Device for winding microcores
GB2020613A (en) Screw conveyors
IT1247775B (en) Device for controlling the power supply to the electric starter motor of an internal-combustion engine