...that the Slinky toy was the result of a failed attempt by engineer Richard James to produce an antivibration device for ship instruments? His goal was to develop a spring that would instantaneously counterbalance the wave motion that rocks a ship at sea. Instead, he developed the Slinky.
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| Number | Title | Issue Date |
| 7903357 | Assembling mechanism An assembling mechanism adapted to assemble a lens module to an optical engine base of a projector includes a fixed base, a fixed bayonet, a movable bayonet, a fixed member, and a movable member. The fixed base is fixed to the optical engine base and includes a rest... | 03/08/2011 |
| 7796352 | Device for rapidly changing objectives with the aid of threaded fastening A device for rapidly changing objectives with threaded fastening on an optical instrument comprises an instrument adaptor which has, at one end, an external thread corresponding to the external thread of the objective, and, at the other end, a bayonet mount for fixa... | 09/14/2010 |
| 7474482 | Optical data reader with removable lens system A selectively mountable optical assembly having an optics body, at least one optical element, and a mounting base. Coupling structure allows the optics body to be selectively coupled to the mounting base such that a flange on the optics body is selectively aligned w... | 01/06/2009 |
| 7441967 | Device and camera A camera includes a main unit which has an arc-shaped groove and a fixed hook formed on and projecting from the groove; and a bayonet ring which has, on the back face thereof, an arc-shaped projection to be engaged in the groove and a stop hook to go under the fixed... | 10/28/2008 |
| 7372638 | Lens barrel There is disclosed a lens barrel including a fixed frame, a rotary frame rotatable with respect to the fixed frame to advance or retract in an optical axis direction, and a rectilinear guide frame rotatable relative to the rotary frame to displace integrally with th... | 05/13/2008 |
| 7354207 | Lens mount structure To provide a lens mount structure which can align a lens optical axis with high accuracy without constituting a complicated lens mount structure, the lens mount structure for mounting a lens barrel to a main body of a camera, or the like, by retaining flange portion... | 04/08/2008 |
| 7259923 | Lens barrel A lens barrel, including, a moving frame (2) to hold a lens (8), a direct-advance ring (4) provided on an outer periphery of the moving frame and movable relative to the moving frame in an optical direction, a resilient member (6) provide... | 08/21/2007 |
| 7161749 | Image pickup apparatus An image pickup apparatus is provided. The image pickup apparatus permitting a conversion lens to be mounted and dismounted, wherein a lens hood is composed of a base portion on the mounting side and a tubular portion on the front side, the base portion and the tubu... | 01/09/2007 |
| 7099090 | Optical pickup lens comprising a lens and a lens holder which have marks to easily mount the lens on the lens holder at a predetermined angle in the direction of rotation of the lens, and optical pickup unit comprising the optical pickup lens An optical pickup lens having a lens and a lens holder, each of which has at least one mark in a direction of rotation based on an optical axis of the lens as a center of rotation. The mark(s) of the lens holder is provided so as to oppose the mark(s) of the lens. P... | 08/29/2006 |
| 7046462 | Lens mount for viewfinder cameras A lens mount for viewfinder cameras, having a distance setting ring and, coupled thereto, an apparatus for transmitting the set distance to the setting lever of a measuring viewfinder arranged on the camera side. The apparatus contains an outer worm connected to the... | 05/16/2006 |
| 7004672 | Bayonet coupling for axially mounting one of two relatively rotatable ring-shaped members on the other A bayonet coupling including an annular groove and bayonet lugs on an inner ring-shaped member and an outer ring-shaped member; and insertion openings formed on either the inner ring-shaped member or the outer ring-shaped member which includes the annular groove. Th... | 02/28/2006 |
| 6992845 | Interchangeable objective for integrated rangefinder cameras An interchangeable objective for integrated rangefinder cameras is described, having a mechanically mounted objective head (1) and a spiral (14) with a bayonet fitting (15), the spiral (14) containing a spiral mechanism (16) for dr... | 01/31/2006 |
| 6967794 | Latch mechanism A latch mechanism for producing a releasable connection of a housing portion with a further housing portion provides projections on one of the housing portions, and for producing a releasable connection by means of a rotational motion of the housing portions relativ... | 11/22/2005 |
| 6554503 | Bayonet mount A bayonet mount includes a mount main body constituted of resin and a metal member that, at least partially, reinforces a bayonet tab portion at the mount main body.... | 04/29/2003 |
| 6476978 | Linear-motion helicoid mechanism for CCTV camera A linear-motion helicoid mechanism for a CCTV camera, comprising a lens frame for holding lenses, a key member, a helicoid female member and a rotating frame that is formed integrally with the helicoid female member. The lens frame comprises a cylindrical... | 11/05/2002 |
| 6452733 | Lens fixture Lens fixture for removably attaching a lens at an apparatus, which consists at least of, on one hand, a seat at the lens or at an adapter piece and, on the other hand, an attachment mechanism at the apparatus, which mechanism at least is composed of a car... | 09/17/2002 |
| 6421192 | Bayonet type fixing device having annular members and a zoom lens having the same A bayonet fixing device includes a cylindrical member; an annular member attached to one end of the cylindrical member; and a retainer ring attached to the cylindrical member to fix the annular member to the cylindrical member. The cylindrical member incl... | 07/16/2002 |
| 6369960 | Securing device for light interception frame A securing device, for securing a light interception frame made of a resilient material to an end face of a lens frame, includes engagement projections and engagement surfaces provided on the peripheral surface of the lens frame, engagement legs and engag... | 04/09/2002 |
| 6286963 | Telescope quick connect and disconnect device for accessories Telescopes have many accessories including astrophotography devices. A finely threaded accessory ring of conventional diameter is provided on these telescopes with the accessories being screwed thereinto with the constant danger of cross-threading. The pr... | 09/11/2001 |
| 6089761 | Camera system A second camera system is different from a first camera system in size of film to be used. While the first camera system is composed of a first camera body having a first camera bayonet mount and using a film of a first size and a first interchangeable le... | 07/18/2000 |
| 6018426 | Zoom lens barrel A lens barrel is provided with a first barrel and a second barrel. The first barrel has a flange formed around its outer surface, and the flange has a plurality of clearances formed around its outer edge. The second barrel has a plurality of projections f... | 01/25/2000 |
| 5812328 | Bayonet mount and optical apparatus The surface groove 26c formed in the circumferential direction has a configuration 26x producing a shallow groove. Thus, relative rotation during lens attachment is accomplished without obstruction, and the strength of the bayonet pawls is improved by the... | 09/22/1998 |
| 5644441 | Lens mount for TV camera A lens mount for a TV camera for mounting a lens having a bayonet ring on its rear face and a cylindrical projection which is smaller in diameter than the bayonet ring and extends rearward coaxially with the optical axis of the lens is provided with a cam... | 07/01/1997 |
| 5642235 | Lens supporting device A lens having radially extending members provided with convex engaging projections is positioned and secured in a lens supporting sleeve having L-shaped openings with recessed engaging grooves. The radially extending members are positioned with respect to... | 06/24/1997 |
| 5570153 | Lens mounting structure A combination of camera bodies and detachable lenses including a lens-side and body-side bayonet mounting structure on two format types of lens and camera bodies to allow the mounting of a larger format lens to a smaller format body, and to preclude the m... | 10/29/1996 |
| 5485307 | Binoculars A binocular includes an eye-piece tube, a first lens system associated with the eye-piece tube for providing a base magnification as seen through the eye-piece tube, and an eye-piece module having a second lens system therein which is interchangeably inst... | 01/16/1996 |
| 5274413 | Mount assembly of optical devices A mount assembly having mounts which are provided on optical devices to be detachably attached to each other and which have mount surfaces which come into contact with each other when the optical devices are attached to each other through the mounts, wher... | 12/28/1993 |
| 5262899 | Optical apparatus having a mount An optical apparatus having a mount molded of plastic comprises a mount sliding surface formed on the mount and providing a fiducial surface in the direction of the optic axis, and a depression formed in the area of a parting line during molding on the mo... | 11/16/1993 |
| 5214532 | Afocal objective lens An accessory lens for a far-infrared thermal imager which is quickly insted or removed to double the range. The accessory uses two or three element with alternating dielectric constants and combinations of spherical and aspherical surfaces.... | 05/25/1993 |
| 4934789 | Lens mounting for a varifocal lens for TV cameras Described is a varifocal lens for a TV camera, which in particular may be mounted on an endoscope, having a lens barrel, which is provided with guide indentations for radial pins attached to the lens mountings, and two lens groups, which may be moved towa... | 06/19/1990 |
| 4660953 | Coupling device for photographing apparatus A coupling device for a photographic apparatus, comprises a mount member having a base part secured to the photographic apparatus, a cylindrical part which extends from the base part and a projecting part. A bayonet mount member is also included in the co... | 04/28/1987 |
| 4659203 | Bayonet mount arrangement An interchangeable lens unit is detachably attachable to a camera main body through an improved bayonet arrangement which includes three sets of corresponding bayonet claws, one of the corresponding bayonet claws of each set being provided on a mount memb... | 04/21/1987 |
| 4600277 | Telescope with multiple image-viewing assemblies A telescope system having a main housing and at least two interchangeable viewing assemblies. The main housing contains an objective lens assembly for producing an inverted primary image, a field lens, and a combination power adjusting zoom and image erec... | 07/15/1986 |
| 4515439 | Attachment of microscope objectives The invention contemplates use of a bayonet mount for microscope objectives, instead of the customary threaded mounting of such objectives. The bayonet mount is characterized by the objective (1) having a centering cone (3) which engages and precisely cen... | 05/07/1985 |
| 4506968 | Photographic camera and interchangeable lens for use therewith The camera includes a disengageable safety retaining catch for interchangeable lens objectives and an automatic focusing mechanism connected to a drive shaft for the transmission of rotary adjustment setting motions to the lens objective. The drive shaft ... | 03/26/1985 |
| 4492429 | Mounting device of optical unit As improved mounting device for an optical unit consists of two optical components, one of which is mounted on the other, or else demounted therefrom, by relative rotation of the two with sliding contact of mating seating and mounting faces thereof, where... | 01/08/1985 |
| 4478492 | Optical device with bayonet mount and position restriction means Optical devices such as a camera body and an interchangeable lens coupled to complementary optical devices by a bayonet coupling allow interchange of the complementary optical devices independently of whether or not the type of position restriction thereo... | 10/23/1984 |
| 4457609 | Device for coupling a lens barrel and a camera body A device for electrically connecting a lens barrel and a camera body includes a connector provided integrally with the fixed cylinder of the lens barrel along the cylindrical surface of the fixed cylinder. The connector has a movable contact resiliently d... | 07/03/1984 |
| 4451131 | Interchangeable camera lens assembly An interchangeable lens assembly for a single lens reflex camera which is divisable into a first and a second lens assembly unit which may be detachably mounted together and which may be, in turn, detachably mounted on a camera.... | 05/29/1984 |
| 4448509 | Interchangeable lens barrel with signal transfer contacts An interchangeable lens barrel includes connection terminals on a part of the lens barrel for sending and receiving electrical signals to and from a photographic apparatus. The lens barrel part is provided with a mechanism for protecting the connection te... | 05/15/1984 |