Bizarre Patents
Decorative Jeweled Wheel Cover
An improved wheel is provided wherein decorative items such as gem stones are embedded in either the wheel surface, a special mounting section attached to the wheel surface, or to a spoke strap that wraps around each spoke and positions embedded gem stones on the outside surface of the spoke.
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| Number | Title | Issue Date |
| 4597641 | Variable-power copying lens There is disclosed a variable-power copying lens including, successively in order from an object, a first lens group having a positive focal length and a second lens group having a negative focal length. The first and second lens groups are movable in the... | 07/01/1986 |
| 4586814 | Variable power projecting device A projecting device for projecting an image of the surface of a body on a light receiving surface, in which optical element blocks are provided symmetrically with respect to a stop, of which the diameter of aperture is always constant in varying the magni... | 05/06/1986 |
| 4560242 | Variable magnification optical system A variable magnification optical system includes two movable groups of the so-called symmetric orthometer type each of which includes a positive power lens, a negative power lens and a meniscus positive lens that are in sequence disposed symmetrically wit... | 12/24/1985 |
| 4514049 | Zoom lens system for finite conjugate distances A zoom lens system for use as a copying lens, for example, comprises first to sixth elements arranged in this order from front to rear with a stop disposed between the third and fourth elements. The first element is a positive lens convex to the front and... | 04/30/1985 |
| 4497617 | Optical system utilizing a variable focal length reflector lens An optical system utilizes a variable focus half-lens reflector system for projecting images onto an image plane without the use of folding mirrors. The half lens is arranged with its optical axis parallel to the object and image planes. Attached to the e... | 02/05/1985 |
| 4408841 | Variable power lens system for copying A variable power lens system capable of both enlargement and reduction of the image of an original to be copied, in which the distance between the object and image surfaces constant. The lens system includes a first lens group having a first positive foca... | 10/11/1983 |
| 4406522 | Variable magnification lens A variable magnification optical system comprising two lens components one on each side of an aperture stop with a positive lens element in each component connected for simultaneous movement to afford a change of 14.5× to 16.2× magnification in an objec... | 09/27/1983 |
| 4359269 | Variable power copying lens system A variable power copying lens system having an intermediate range of variable magnification with superior distortion aberration compensation and compact size. The lens system includes, in order from the object side, a first lens group having a negative fo... | 11/16/1982 |
| 4333711 | Zoom lens for copying A zoom lens for a copying system capable of both magnification and reduction of the image of an original to be copied in which the overall lens system may be miniaturized but yet various aberrations such as distortion are well corrected for. The lens incl... | 06/08/1982 |
| 4149774 | Zoom lens system A zoom lens system in accordance with this invention is composed of a first fixed lens group, a first movable lens group, a second movable lens group and a second fixed lens group arranged in this order from front to rear, wherein a stop is are located at... | 04/17/1979 |
| 4076389 | Zoom lens mount and mechanism A mount and mechanism for a symmetrical zoom lens in which the outer lens elements are stationary relative to the lens housing. The inner elements on one side of the center move in unison on one shaft driven in symmetrically opposite direction relative to... | 02/28/1978 |
| 4061419 | Variable magnification lens system A variable magnification lens is exemplified by a 6-element symmetrical zoom lens for use between fixed conjugates at magnification ranging from 1.007X to 0.615X. The outer elements remain fixed relative to the unit. The inner elements form two integral p... | 12/06/1977 |
| 4056308 | Variable focal length reflector lens system A variable magnification lens in the form of a reflector lens as the equivalent of a symmetrical fulls lens without reflector. The invention is exemplified by a three-element zoom lens having a fixed outer element and a fixed reflector at the lens "center... | 11/01/1977 |
| 4037937 | Variable magnification lens system using symmetric lens of variable focal length A variable magnification optical system comprising a stationary lens element and a movable lens element which when varying the focal length of the variable magnification optical system, are moved always in a relationship symmetric with respect to the cent... | 07/26/1977 |
| 3973831 | Symmetrical lens system affording variable magnification A varifocal lens system comprising a pair of movable lens groups located outwardly which are symmetrical with respect to the diaphragm and a pair of stationary lens groups located inwardly from said groups which are also symmetrical with respect to the di... | 08/10/1976 |
