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In 1608, Dutch eyeglass maker Hans Lipperhey filed the first patent for a working telescope. The patent was denied.
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| Number | Title | Issue Date |
| 7305767 | Shaft and hub mounting system and method A system is provided for securing a rotating member with respect to a non-rotating member. A hollow member, such as a mounting hub or an inner ring of a bearing assembly, includes an extension having an annular outer groove. One or more tapered sleeves serve to lock... | 12/11/2007 |
| 7234733 | Device for regulating the suction flow in a flexible connection pipe between a tool for machining surfaces and a machining dust suction unit A device for regulating the suction flow in a flexible connection pipe between a tool for machining surfaces and a machining dust suction unit. The device includes a tubular terminal connector fitted with internal threading for attaching the flexible pipe and at lea... | 06/26/2007 |
| 7223041 | Camming coupler A camming coupler for removably attaching a music desk or other object to an upright support leg. The camming coupler includes an inner sleeve for receiving the upright support leg. The inner sleeve has at least one longitudinal slit formed therein, and preferably h... | 05/29/2007 |
| 7195215 | Suspension arm A suspension arm comprising a rising/descending device further consists of an inner sleeve; a retractable shaft and an elastic body inside, an outer sleeve connect to the inner sleeve, a clip ring on the top open of the outer sleeve. The outer sleeve can revolve on ... | 03/27/2007 |
| 7179012 | Spring-opened lock with a plunger that moves perpendicular to a longitudinal axis of the spring A lock joins two bodies together. The first body has a first hole and the second body has a second hole, and the lock includes a rail on the first body adjacent to the first hole, two spaced-apart cradles movable on the rail, a spring between and attached to the two... | 02/20/2007 |
| 7073228 | Handle construction for golf ball retriever A telescoping handle having a plurality of telescoping hollow tubes characterized by relative sliding stiffness between each of the tubes and having a similar resistance to rotation, the handle comprising a plurality of stiffeners having an outside diameter sized to... | 07/11/2006 |
| 7066511 | Non-conductive extension pole An extension pole suitable for use in light bulb changing operations. The extension pole comprises first, second, and third telescopically intercoupled sections. A first locking assembly selectively locks the first and second sections to one another, and a second lo... | 06/27/2006 |
| 7029196 | Clock lock A system for joining two components includes a rotatable locking member having a pair of diametrically opposed notches, a pair of diametrically opposed first sectors having a first radius, and a pair of diametrically opposed second sectors having a second radius lar... | 04/18/2006 |
| 6966722 | Adaptor for reducing and locating bolt hole in a larger opening An adaptor for reducing the size of an original hole in a frame member to an adaptor hole sized to receive a selected bolt and which permits adjustment of the relative location of the adaptor hole relative to the original hole and the frame member. The adaptor compr... | 11/22/2005 |
| 6848853 | Positioner and image diagnostic apparatus For the purpose of stably securing an apparatus to be installed by a simple process, a positioner for securing to a floor an apparatus having positioning holes for receiving therethrough anchor bolts implanted upright in the floor, the positioning holes having a dia... | 02/01/2005 |
| 6821049 | Floor attachment device for storage shed Embodiments of the present invention are directed to a storage shed that is strong, durable, low-maintenance, easy to assemble and use, and relatively inexpensive to manufacture and ship, and can be mass produced. In one embodiment, an attachment device is provided ... | 11/23/2004 |
| 6769832 | Clock lock A system for joining two rails includes a rotatable disc in a slot in an end of a rail, where the disc has a pair of diametrically opposed notches, a pair of diametrically opposed first sectors having a first radius, and a pair of diametrically opposed second sector... | 08/03/2004 |
| 6619877 | Structure for positioning an expandable rod of a tree pruner An expandable rod of a tree pruner is formed of an outer tube and an inner tube, which are located by a drive block and a stop block such that a first end of the drive block is retained in a first tightening recess and stopped by a first check edge of a f... | 09/16/2003 |
| 6494684 | Locking devices A locking device for use in retaining rotationally interengaged components in engagement with one another, the device comprising a body member (16) adapted to be located between adjacent interengaging formations (13, 14) on the components to prevent relat... | 12/17/2002 |
| 5692856 | Lock assembly for extension handle An extension handle apparatus includes an elongated sliding member telescopically received within a tubular receiving member, and a lock assembly for releasably locking the sliding member in any selected axial position relative to the receiving member upo... | 12/02/1997 |
| 5407295 | Shaft-hub linkage The present invention relates to a shaft-hub linkage which has a plurality of wedge-shaped projections on the peripheral surface of the shaft and a corresponding number of wedge-shaped recesses on the inner peripheral surface of the hub.... | 04/18/1995 |
| 4906124 | Multi-piece eccentric assembly An eccentric assembly has a one-piece mainshaft with a groove extending part way around its periphery. An eccentric ring has an off-center opening which receives the mainshaft, with part of the ring received by the groove. An arcuate-shaped insert with a ... | 03/06/1990 |
| 4857706 | Ironing accessory An ironing accessory is adapted to be releasably carried on the discharge nozzle of a standard hair blow dryer and includes a flat plate having multiple openings discharging hot air from the nozzle. A cylindrical collar carried on the plate insertably rec... | 08/15/1989 |
| 4854765 | Reversible thermal compensation joint A reversible thermal compensation joint having a ceramic fairing (20) with a spindle (24) slidably engaged within a metal hinge housing (22). The spindle (24) has a groove (28) with inwardly converging side walls (36) and a flat bottom (38) in which is se... | 08/08/1989 |
| 4825593 | Device for actuating a tip-up or sectional door This device for actuating a tip-up or sectional door comprises an elongated frame structure supporting a linearly movable member driven through a worm screw or a chain connected to the door to be driven, and secured at two upper points of which one is loc... | 05/02/1989 |
| 4733681 | Combination device of umbrella and golf ball retriever A combination umbrella and golf ball retriever which uses the umbrella strut as a socket pipe to accommodate several telescopically nested tubes so as to form an elongated handle for a golf ball retriever. There is an eccentric-grooved stud inserted at on... | 03/29/1988 |
| 4569614 | Coupling A coupling for fastening two members whose opposed faces keep an equal gap and are free to relatively displace to the left or right, wherein a wedge inclining with an angle narrower than the friction angle to osculate each of the opposing face of the memb... | 02/11/1986 |
| 4401240 | Hand held spray can adapter A holder for a cannister having a valve which is typically used for aerosol spraying is provided. The holder securely grips a cannister bead and is provided with a handle having a valve actuator for actuating the valve on the cannister. The holder provide... | 08/30/1983 |
| 4373405 | Molded plastic control lock knob with push and/or pull feature A device is disclosed for use with adjustable rotary controls such as potentiometers that have a push and/or pull feature to provide a means for locking the control knob and to provide varying amounts of drag force to aid in fine adjustments. A locking sh... | 02/15/1983 |
| 4139317 | Bearing locking assembly A bearing locking assembly has a sleeve that fastens an inner race ring of an anti-friction bearing of either a ball or roller design to a rotatable shaft. The sleeve is split longitudinally, enabling the sleeve to be compressed radially for slipping axia... | 02/13/1979 |
| 4105346 | Locking system for telescoping members A locking system which enables a pair of telescoping members to be slidably movable with respect to each other and locked in a pre-determined position. The outer telescoping leg is generally of cylindrically configuration and has an aperture therein. A sl... | 08/08/1978 |
| 4089234 | Anti-rotating guide for reciprocating members A reciprocating member and a retainer cooperate to limit rotation of the reciprocating member in a bore. Grooves in the reciprocating member cooperate with corresponding portions of a retainer to guide the reciprocating member and limit rotation of the me... | 05/16/1978 |
