Did You Know...
...that the first rickshaw was invented in 1869 by an American Baptist minister, the Rev. E. Jonathan Scobie, to transport his invalid wife around the streets of Yokohama?
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| Number | Title | Issue Date |
| 7365924 | Sight tube pivot assembly An improved aiming tube pivot assembly for use in a sighting and/or aiming apparatus which comprises an aiming tube axially mounted within an outer tube (or housing). A support ring supports the aiming tube within the outer tube in a gimbal-like arrangement by means... | 04/29/2008 |
| 7259924 | Microscope objective with axially adjustable correction mounts A microscope objective has axially adjustable correction mounts for adapting to different parameters influencing the imaging quality. The axial adjustment of the correction mounts relative to a stationary barrel is realized by an adjusting ring arranged on the outer... | 08/21/2007 |
| 7100319 | Prismatic boresighter An optical collimator device, for use in aligning a riflescope with the bore of the rifle, is formed using a small aperture lens for viewing a reticule through a prismatic assembly. The collimator is magnetically attached to the muzzle of the rifle, and when a targe... | 09/05/2006 |
| 6868615 | Telescopic weapon aiming system A telescopic optical sight for aiming a weapon at a target is described. The telescopic optical sight comprises an eyepiece, a first reticule, a second reticule spaced laterally from said first reticule, and at least one object lens. The first and second reticules a... | 03/22/2005 |
| 6583860 | Range finder A range finder includes a light source for emitting a light beam to an object to be measured, a detector for detecting a reflected light from the object, a measuring part for calculating the distance to the object on the basis of the reflected light detec... | 06/24/2003 |
| 6539637 | Multi-distance bow sight A bow sight has a plurality of subassemblies adjustably attached to a main frame to permit vertical adjustment of the cross hairs. The subassemblies lie in different planes so that when the bow sight is used with a high powered, high speed bow, two or mor... | 04/01/2003 |
| 6508144 | Quick zeroing knob assembly A control knob assembly is disclosed that may be generally used for the quick zeroing adjustment of a dial thereof. A control knob assembly includes a housing with a shaft rotatably supported therein. A ring is coupled to the shaft in such a way that rota... | 01/21/2003 |
| 6442854 | Fast alignment telescopic sight The invention relates to a fast alignment telescopic sight for use in connection with firearms to improve sighting accuracy. It comprises a tube, an optical sighting system, and an alignment unit. An alignment mark is provided in the target image plane of... | 09/03/2002 |
| 6169628 | Protective window for optical sight The invention comprises a protective window for an optical sight. In accordance with one embodiment of the invention, an optical sight (20) may comprise an optical component (182, 300) transmitting an image of a scene. A protective window (180, 430) may b... | 01/02/2001 |
| 6154313 | Protective window for optical sight The invention comprises a protective window for an optical sight. In accordance with one embodiment of the invention, an optical sight (20) may comprise an optical component (182, 300) transmitting an image of a scene. A protective window (180, 430) may b... | 11/28/2000 |
| 5924234 | Optical sighting device An aiming post for an optical sighting device providing an illuminated aiming mark defined by surfaces forming a generally sharp peak or point and also a construction for providing ambient light illumination for the aiming mark in which the intensity is s... | 07/20/1999 |
| 5513440 | Device for adjusting the reticle of an aiming telescope A device for adjusting the reticle of an aiming telescope has a pair of threaded spindles disposed at right angles to each other and engaging a thread in an intermediate housing on the main tube. The threaded spindles act on an inner tube with the reticle... | 05/07/1996 |
| 5511318 | Adjustable cross hair assembly A cross hair assembly has an adjustable cross hair intersection point to facilitate calibration of the cross hair assembly relative to the optical axis of an associated x-ray radiation source. Each cross hair has a fixed anchorage on a mounting frame, and... | 04/30/1996 |
| 5442860 | Portable reticle alingment device for firearms A device for aiding in the cross-hair alignment of the reticle of a gun-mounted telescopic sight wherein the gun includes at least one mounting boss for securing the telescopic sight. The device includes a card having a viewing surface and a contact edge ... | 08/22/1995 |
| 5363559 | Telescope inner tube locking device and method A telescope inner tube locking device and method for positively locking the telescope inner tube in it's previously aligned position. The locking is accomplished by using a biased locking screw which operates to apply a force against the inner tube of the... | 11/15/1994 |
| 5353134 | Weapon aiming device Material made up of a thin layer between two surfaces, a first and a second, to be used as the third layer of a transparent goggles face, the first layer being a screen and the second layer being a thickness layer, remarkable in that the material consists... | 10/04/1994 |
| 5274925 | Cross hair adjuster for archery bow A sight scope for an archery bow is provided which consists of a telescopic tubular housing having a first segment mounted to a handle of the archery bow, so that a viewing end of the first segment can be positioned in front of an eye of an archer, with a... | 01/04/1994 |
| 4720804 | Electrically addressable opto-electronic indicator for making dynamic evaluations of microscopic or larger subjects A computer controlled image forming apparatus for making quantitative evaluations relating to an image of a subject which is programmed to control a plurality of associated electrically addressable indicia the images of which are viewable superimposed upo... | 01/19/1988 |
| 4589744 | Telescope with adjustable reticule An improved telescope is disclosed in which an adjusting member for adjusting the reticule can be fitted on an optical axis thereof. The improved telescope has a reticule disposed at an ocular side in a lens-barrel and including a cross line for collimati... | 05/20/1986 |
| 4584776 | Telescopic gun sight A telescopic sight including primary and secondary reticules separately disposed within separate image planes formed at respective opposite ends of an inverting tube. The secondary reticule is selectively retractable between a first position lying within ... | 04/29/1986 |
| 4447962 | Adjustable bore target and gage A device having four engagement points movable along a bore and provided with an optical target or gage adjustable in cross directions normal to the bore axis and a probe mounted for rotation on the gage and engageable with the cylindrical surface of the ... | 05/15/1984 |
| 4297789 | Lens-free sighting device A sighting device completely devoid of any lenses for use in pistol target shooting has a one-piece elongated outer tube having at least one saddle integrally formed on the outer tube and located proximal to one of the ends of said main tube. The saddle h... | 11/03/1981 |
| 4285137 | Trajectory compensating device A trajectory compensating device for use with a rifle scope used in aiming a firearm is improved by including in the reticle of the rifle scope two sighting planes and including on the elevational turret of the rifle scope a turret cap which includes an i... | 08/25/1981 |
| 4031633 | Scale for use in measuring and straightening damaged vehicles in a so-called vehicle alignment apparatus The present invention relates to a scale for use in measuring and straightening damaged vehicles in a so-called vehicle alignment apparatus, especially when the measuring is made by using a laser beam, said scale including a fastening means for freely dep... | 06/28/1977 |
| 3997974 | Archery bow sighting mechanism Archery bow sighting structure incorporating an elongate housing and light shield interiorly annularly stepped to reduce glare. The housing is interiorly provided with mutually spaced sighting means, the forward sighting means comprising a centrally dispo... | 12/21/1976 |
| 3989358 | Adjustable micrometer stage An improved mount for an optical lens or similar device for achieving X-Y adjustment which includes four diametrically opposed 90° spaced knife edges on a lens ring opposed on one side by a spring and on the other side by a micrometer adjustment to prov... | 11/02/1976 |
| 3960453 | Electronic telescopic sight A telescopic sight utilizing a row of luminescence diodes defining a light point, and means for adjusting the speed of travel of the light point as a function of the speed of movement of a target. Means is further provided for extinguishing the traveling ... | 06/01/1976 |
