# US 2014/0192404 A1 · Optical quickmount > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2014/0192404 A1 - Document ID: US20140192404A1 - Status: Published application - Kind: A1 - Application number: 13/734,748 - Filed: 2013-01-04 - Published: 2014-07-10 - Earliest claimed: 2013-01-04 - Assignees: Cellomics, Inc. - Applicants: Cellomics, Inc. - Inventors: Dirk John Vandenberg, III; Keith R. Heffley - Web page: https://patentgrep.com/patent/US20140192404A1 ## CPC - G02B 7/003: {Alignment of optical elements (G02B7/001, G02B7/002 take precedence; for mirrors G02B7/1822)} - G02B 21/00: Microscopes - G02B 26/008: {in the form of devices for effecting sequential colour changes, e.g. colour wheels} - Y10T 29/49817: with other than ancillary treating or assembling - Y10T 29/49826: Assembling or joining - G02B: OPTICAL ELEMENTS, SYSTEMS OR APPARATUS - Y10T: TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION ## Abstract A filter wheel assembly includes a filter wheel and an optical assembly. The filter wheel includes a plurality of viewing openings. The optical assembly includes an optical element secured within an aperture of a housing. The optical assembly is securable to the filter wheel at a viewing opening by a magnetic force. An optical apparatus includes an optical assembly receiver and first and second optical assemblies. The first optical assembly is securable to the optical assembly receiver and the second optical assembly is securable to the first optical assembly by a magnetic force to align the optical assembly receiver and the optical assemblies. Methods of aligning apertures of optical assemblies with viewing openings of a filter wheel or an optical assembly receiver and securing the optical assemblies to the filter wheel or the optical assembly receiver using a magnetic force. ## Claims ### Claim 1 A filter wheel assembly comprising: a filter wheel comprising a main body bounding a plurality of viewing openings extending therethrough; and a first optical assembly comprising: a first housing bounding an aperture extending therethrough; and a first optical element secured to the first housing so as to be positioned within or aligned with the aperture, the first optical assembly being secured to the filter wheel at a first one of the viewing openings by a first magnetic force between the first optical assembly and the filter wheel. ### Claim 2 (depends on 1) The filter wheel assembly recited in claim 1, further comprising a first magnet positioned on the first housing or the main body to provide the magnetic force. ### Claim 3 (depends on 1) The filter wheel assembly recited in claim 1, wherein the aperture of the first optical assembly is aligned with the first viewing opening when the first optical assembly is secured to the filter wheel. ### Claim 4 (depends on 1) The filter wheel assembly recited in claim 1, further comprising: means for aligning the aperture of the first optical assembly with the first viewing opening. ### Claim 5 (depends on 4) The filter wheel assembly recited in claim 4, wherein the means for aligning the aperture of the first optical assembly with the first viewing opening comprises: a plurality of first coupling portions positioned adjacent the first viewing opening of the main body; and a plurality of second coupling portions positioned on the first housing that are complementary to the first coupling portions so that when the first optical assembly is secured to the filter wheel, the second coupling portions couple with the first coupling portions. ### Claim 6 (depends on 5) The filter wheel assembly recited in claim 5, wherein the first and second coupling portions comprise mating tenons and mortises. ### Claim 7 (depends on 6) The filter wheel assembly recited in claim 6, wherein for each complementary first and second coupling portion: the tenon comprises a pin positioned on the main body or the first housing; and the mortise forms a hole on the other of the main body or the first housing, the hole being configured to receive the pin. ### Claim 8 (depends on 6) The filter wheel assembly recited in claim 6, wherein at least one of the mortises extends completely through the main body or the first housing. ### Claim 9 (depends on 1) The filter wheel assembly recited in claim 1, further comprising a second optical assembly securable to the filter wheel at a second one of the viewing openings by a second magnetic force between the second optical assembly and the filter wheel, the first and second optical assemblies being securable to the filter wheel concurrently. ### Claim 10 (depends on 1) An imaging system comprising: a microscope assembly comprising one or more objectives; a stage assembly mounted on the microscope assembly; and a filter wheel assembly as recited in claim 1 optically coupled with the microscope assembly. ### Claim 11 An optical apparatus comprising: an optical assembly receiver comprising a main body bounding a viewing opening extending therethrough; a first optical assembly comprising: a first housing bounding a first aperture extending therethrough; and a first optical element secured to the first housing so as to be positioned within or aligned with the first aperture; and a second optical assembly comprising: a second housing bounding a second aperture extending therethrough; and a second optical element secured to the second housing so as to be positioned within or aligned with the second aperture; wherein the first optical assembly is securable to the optical assembly receiver and the second optical assembly is securable to the first optical assembly by a magnetic force, such that when the first optical assembly, the second optical assembly, and the optical assembly receiver are secured together, the first aperture and the second aperture are aligned with the viewing opening. ### Claim 12 (depends on 11) The optical apparatus recited in claim 11, wherein the first aperture has a first central axis, the second aperture has a second central axis, and the viewing opening has a third central axis, and wherein when the first optical assembly, the second optical assembly, and the optical assembly receiver are secured together, the first central axis, the second central axis and the third central axis are collinear. ### Claim 13 (depends on 11) The optical apparatus recited in claim 11, further comprising a magnet positioned on the first housing to provide the magnetic force. ### Claim 14 (depends on 11) The filter wheel assembly recited in claim 11, further comprising: means for aligning the first aperture of the first optical assembly with the viewing opening; and means for aligning the second aperture of the second optical assembly with the first aperture of the first optical assembly. ### Claim 15 (depends on 14) The optical apparatus recited in claim 14, wherein the means for aligning the first aperture of the first optical assembly with the viewing opening comprises: mating tenons and mortises positioned on the first optical assembly and the optical assembly receiver such that when the first optical assembly is secured to the optical assembly receiver, the mating tenons and mortises couple with each other. ### Claim 16 (depends on 14) The optical apparatus recited in claim 14, wherein the means for aligning the second aperture of the second optical assembly with the first aperture of the first optical assembly comprises: mating tenons and mortises positioned on the first optical assembly and the second optical assembly such that when the first optical assembly is secured to the second optical assembly, the mating tenons and mortises couple with each other. ### Claim 17 (depends on 11) The optical apparatus recited in claim 11, further comprising means for aligning the first and second apertures of the first and second optical assemblies with the viewing opening of the optical assembly receiver, the means for aligning comprising: a plurality of tenons projecting from the main body of the optical assembly receiver; a plurality of mortises extending completely through the first housing; and a plurality of mortises formed on the second housing, such that when the first optical assembly, the second optical assembly, and the receiver are secured together, each of the tenons extends through one of the mortises of the first housing and into one of the mortises of the second housing. ### Claim 18 (depends on 11) The optical apparatus recited in claim 11, wherein the optical element comprises an optical lens or an optical filter. ### Claim 19 A method comprising: aligning an aperture of a first optical assembly with a first viewing opening of a filter wheel so as to align first coupling portions on the first optical assembly with mating second coupling portions on the filter wheel, the first optical assembly having a first optical filter element positioned thereon; and while the first and second coupling portions are aligned, moving the first optical assembly closer to the filter wheel until the first coupling portions couple with the second coupling portions and a first magnetic force secures the first optical assembly to the filter wheel. ### Claim 20 (depends on 19) The method recited in claim 19, wherein the first optical assembly is secured to the filter wheel without the use of tools. ### Claim 21 (depends on 19) The method recited in claim 19, further comprising manually removing the first optical assembly from the filter wheel without any tools. ### Claim 22 (depends on 19) The method recited in claim 19, wherein the first and second coupling portions comprise tenons and mortises and coupling of the first and second coupling portions comprises receiving the tenons within the mortises. ### Claim 23 (depends on 19) The method recited in claim 19, further comprising: aligning an aperture of a second optical assembly with a second viewing opening of the filter wheel so as to align third coupling portions on the second optical assembly with mating fourth coupling portions on the filter wheel, the second optical assembly having a second optical filter element positioned thereon; and while the third and fourth coupling portions are aligned, moving the second optical assembly closer to the filter wheel until the third coupling portions couple with the fourth coupling portions and a second magnetic force secures the second optical assembly to the filter wheel. ### Claim 24 A method comprising: aligning a first aperture of a first optical assembly with a viewing opening of an optical assembly receiver so as to align first coupling portions on the first optical assembly with mating second coupling portions on the optical assembly receiver, the first optical assembly having a first optical filter element positioned within the first aperture; while the first and second coupling portions are aligned, moving the first optical assembly closer to the optical assembly receiver until the first coupling portions couple with the second coupling portions and a magnetic force secures the first optical assembly to the optical assembly receiver; aligning a second aperture of a second optical assembly with the first aperture of the first optical assembly so as to align third coupling portions on the second optical assembly with mating fourth coupling portions on the first optical assembly, the second optical assembly having a second optical filter element positioned within the second aperture; and while the third and fourth coupling portions are aligned, moving the second optical assembly closer to the first optical assembly until the third coupling portions couple with the fourth coupling portions and a magnetic force secures the second optical assembly to the first optical assembly such that when the optical assembly receiver, the first optical assembly, and the second optical assembly are secured together, the first and second apertures are aligned with each other and with the aperture of the optical assembly receiver. ### Claim 25 (depends on 24) The method recited in claim 24, wherein the second optical assembly is secured to the first optical assembly before the first optical assembly is secured to the optical assembly receiver. ### Claim 26 (depends on 24) The method recited in claim 24, wherein the first and second, third, and fourth coupling portions comprise tenons and mortises and wherein coupling of the first and second coupling portions and coupling of the third and fourth coupling portions comprises receiving the tenons within the mortises. ### Claim 27 (depends on 24) The method recited in claim 24, wherein the first coupling portions and third coupling portions are combined and comprise tenons projecting from the optical assembly receiver; the second coupling portions comprise mortises extending completely through the first optical assembly; and the fourth coupling portions comprise mortises extending into the second optical assembly, such that when the first optical assembly, the second optical assembly, and the optical assembly receiver are secured together, each of the tenons extends through one of the mortises of the first housing and into one of the mortises of the second housing. ### Claim 28 A filter wheel assembly kit comprising: a filter wheel comprising a main body bounding a plurality of viewing openings extending therethrough; and a plurality of optical assemblies, each comprising: a housing bounding an aperture extending therethrough; and an optical element secured to the housing so as to be positioned within or aligned with the aperture, the optical assembly being releasably securable to the filter wheel at any of the viewing openings by a magnetic force between the optical assembly and the filter wheel.