"The Americans have need of the telephone, but we do not. We have plenty of messenger boys."
Sir William Preece, chief engineer, British Post Office ; 1878
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| Number | Title | Issue Date |
| 6354550 | Method for controlling screen direction of a video display stand A video display stand having dual panning axes suitable for controlling a screen direction of appliances such as a TV set or a personal computer without bumping against a wall even in a state that it is positioned very closely to the wall, and its control... | 03/12/2002 |
| 6334599 | Video display stand having dual panning axes A video display stand having dual panning axes suitable for controlling a screen direction of appliances such as a TV set or a personal computer without bumping against a wall even in a state that it is positioned very closely to the wall, and its control... | 01/01/2002 |
| 5711192 | Indexer with improved clutch An improved indexing device for generating a smooth and controlled rotary motion where double rotary cranks having slide members coupled to corresponding slide guides arranged in orientation parallel to the plane of rotation of the rotary cranks are provi... | 01/27/1998 |
| 5031478 | Two gear, connecting arm and crank apparatus Rotation and linear movement of a main gear is provided by a pinion gear rotatably mounted on a crank arm and in meshing engagement with the main gear. A connecting arm between the gear centers keeps the gears in meshing engagement. The pinion gear may ha... | 07/16/1991 |
| 4905543 | Device for turning a monitor A device for turning a monitor to a position at which a viewer can comfortably see the monitor. The device comprises a turntable carrying a monitor thereon, a cam shaft adapted to rotate the turntable in a desired direction utilizing a cylindrical cam hav... | 03/06/1990 |
| 4896560 | Indexing device An indexing device comprises a rotatably driven input shaft; a globoidal cam having, for the purpose of outputting intermittently the rotation of the input shaft, a taper rib defining a cam face which has a disk-shaped end face gradually yielding to a hel... | 01/30/1990 |
| 4287748 | Rotary transfer press apparatus A rotary transfer press apparatus wherein a plurality of workpieces are simultaneously and progressively moved over a circular path through a series of working stations which themselves are arranged in a circular path whereby successive operations are per... | 09/08/1981 |
| 4282779 | Indexing drive apparatus An indexing drive apparatus comprises a cam assembly connected to a drive source, a cam follower turret adapted to follow the rotation of the cam assembly to be swung, a turret shaft having the turret assembly fixedly mounted thereon and adapted to be rot... | 08/11/1981 |
| 4202221 | Indexing apparatus Indexing apparatus is disclosed whereby a constantly rotating drive shaft can intermittently drive apparatus driven thereby. An arm carried by the drive shaft pivotally carries a second arm which has means for engaging a cammed surface whereby the pivoted... | 05/13/1980 |
| 4028966 | Rotary index table A rotary index table wherein a detent oscillating about the table axis of rotation is translated radially inwardly during indexing and retracted radially outwardly during the return stroke of the detent, both actions being accomplished through a positive ... | 06/14/1977 |
| 3965775 | Indexing device An indexing mechanism for converting reciprocating motion into intermittent rotary or linear motion. Driving elements engage driven elements during each motion of the reciprocating member in either direction to effect intermittent motion of the workpiece ... | 06/29/1976 |