Microscope adjustment apparatus
US4573771A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Jul 2, 1984 |
| Grant date | Mar 4, 1986 |
| Priority date | — |
| Expiry date | Jul 2, 2004 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T74/20207
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
In a microscope, a nosepiece support assembly and a coarse and fine adjustment mechanism in direct operative control of the support assembly, the support assembly including a nosepiece mounting carriage with a depending rod rigid therewith and mounting a cam follower which rides on the edge of a cam, rotation of which is controlled by the adjustment mechanism. The adjustment mechanism in turn includes a reduction gear assembly utilizing dual gear trains and mounted to a cam-mounting shaft externally of the frame of the microscope and housed within a coarse adjustment handwheel for immediate access thereto. One of the gear trains incorporates a compound gear having a torsion spring between the individual gears to enhance gear train interengagement throughout the gear assembly.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.