Releasable/interchangeable fine focus knob for a microscope

Details Releasable/interchangeable fine focus knob for a microscope Releasable/interchangeable fine focus knob for a microscope

2007-10-16

2007-10-16

Pritchett, Joshua L (Department: 2872)

Optical: systems and elements

Compound lens system

Microscope

C359S368000, C359S392000

Reexamination Certificate

active

10811346

ABSTRACT:
A microscope includes at least one focusing means for focusing an object plane. The focusing means includes first and second adjustment means. The first and second adjustment means are coaxial and independently rotatably adjustable with respect to one another. The second adjustment means are releasably fastenable to the focusing means. In a preferred embodiment, the first adjustment means comprises a coarse focus adjustment knob and the second adjustment means comprises a fine focus adjustment knob. The second adjustment means preferably includes magnetic means adapted for mating engagement with complementary magnetically attractable means of a rotatable focus drive means of the focusing means. A particularly preferred embodiment comprises at least two focusing means wherein the second adjustment means of each may be releasably attached to each; one on each opposite side of the microscope as desired.

REFERENCES:
patent: 4158216 (1979-06-01), Bigelow
patent: 4233593 (1980-11-01), Bigelow
patent: 4616517 (1986-10-01), Esmay
patent: 4619503 (1986-10-01), Reinheimer et al.
patent: 5552321 (1996-09-01), Focht
patent: 5557456 (1996-09-01), Garner et al.
patent: 5684627 (1997-11-01), Ganser et al.
patent: 6018415 (2000-01-01), Woo et al.
patent: 2002/0159147 (2002-10-01), Yamamoto
patent: 2003/0169492 (2003-09-01), Nishida et al.
patent: 2004/0246571 (2004-12-01), Bonaventura
patent: 252612 (1967-02-01), None
patent: 10060763 (2002-07-01), None
Leitz Service. “Ergolux B 0 1—Ersatzteilliste”, Ernst Leitz Wetzlar GmbH, Jun. 14, 1982.
Leica Service. “Leica FTM-20”, p. 3 and 11, 1995.
Leica Service. “Leitz Secolux 6×6,” Ernst Leitz Wetzlar GmbH, 1982.

Affiliated with

Also associated with

Rating

Releasable/interchangeable fine focus knob for a microscope does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Releasable/interchangeable fine focus knob for a microscope, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Releasable/interchangeable fine focus knob for a microscope will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-3841179