Quotables
"Rail travel at high speeds is not possible because passengers, unable to breathe, would die of asphyxia."
Dionysius Lardner, Professor of Natural Philosophy and Astronomy at University College, London ; 1830
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| Number | Title | Issue Date |
| 4842113 | System for controlling the free-wheeling release operation of a motor vehicle clutch A clutch (3) which can be engaged and released by a controllable clutch drive (11) is arranged in the torque transmission path between an engine (1) and a gear transmission (5) of a motor vehicle. By means of a control switch (15) the clutch (3) is releas... | 06/27/1989 |
| 4717936 | Display device for camera A display device for a display in a camera. Within a view finder thereof in particular are arranged illuminating light emitting elements to illuminate a display member which is provided with a plurality of photography mode display marks. A segment light e... | 01/05/1988 |
| 4691825 | Needle package A needle package from a panel with needle pockets adjacent to each other and clamping webs protruding into the pockets comprising a withdrawal cavity extending transversely to the pockets and slit pocket walls in the area of the clamping webs.... | 09/08/1987 |
| 4671703 | Apparatus for driving pipes through the ground Apparatus for driving an open-ended pipe 7, which has a driving shoe 6 at its leading end, through the ground comprises a driving member 2, 3 to which percussive driving forces are applied by a driving mechanism. Instead of fitting the part 3 of the drivi... | 06/09/1987 |
| 4667299 | Portable computer In the disclosed portable computer, a keyboard with keys for entering at least a full alphabet and ten digits is coupled to a computer system that includes a central processing unit which is in turn coupled to a display arrangement with a liquid crystal d... | 05/19/1987 |
| 4647174 | Focus detecting and/or focus adjustment method Disclosed is a method of detecting the focusing condition of an image forming optical system to an object, in which two images of the object are formed with respective light beams from the prescribed exit pupil areas lying in almost symmetry to each other... | 03/03/1987 |
| 4642067 | Protective bellows assembly with plugged lubricating aperture A protective bellows, particularly for use in drivelines of agricultural implements, is formed with a resilient bellows having a lubricating opening with a removable plug. A resilient ring extends around the bellows in one of the folds thereof, and a conn... | 02/10/1987 |
| 4641988 | Fitting for releasably joining two structural components For releasably joining two structural components (1,2), particularly plate-shaped structural components which extend at a right angle relative to one another, a fitting has a preferably cylindrical locking element which can be inserted either directly in ... | 02/10/1987 |
| 4641990 | Driveline coupling with safety interlock mechanism latchable in the open position A coupling assembly including a lock latchable in the unlocked position particularly for connecting a universal shaft with a power takeoff shaft in agricultural implements, wherein a coupling sleeve on the universal shaft may be slipped into torque transm... | 02/10/1987 |
| 4640452 | Device for driving nails or similar fastening elements A device for driving nails, staples and similar fastening elements includes an electromotor for rotating a driving member. The rotation of the driving member is transferred to a driven member which, in turn, converts the rotational movement into translati... | 02/03/1987 |
| 4639108 | Code plate A code plate for a camera comprises parts arranged in various two-dimensional shapes highly suited for an automatic focus control system for a zoom lens.... | 01/27/1987 |
| 4637705 | Automatic focusing camera Disclosed is a camera having a plurality of range finder areas in the field of view upon distance measurement thereof to provide information for focusing adjustment of the photographic lens, wherein the number of the aforesaid rangefinder spots contributi... | 01/20/1987 |
| 4635780 | Clutch disc for a motor vehicle friction clutch The clutch disc for a motor vehicle friction clutch comprises a hub (1) and a friction lining carrier mounted rotatably through a limited angle of rotation on the hub (1), with side discs (9, 11) firmly connected into one unit and arranged axially on both... | 01/13/1987 |
| 4635690 | Filling valve for use in the bottling of liquids In a rotating machine for filling liquid into bottles in similar containers, a centering member including the filling valve is vertically movable between a lower centering or holding position and an upper release position. The centering member in the lowe... | 01/13/1987 |
| 4635572 | Desulfurizing of fossile fuels A process and devices with which the fused sulphur is removed from fossil fuels, preferably coke and petrocoke, ahead of the furnace or the like and is fused with an additive. In the combustion chamber, the additive with the fused sulphur is then sintered... | 01/13/1987 |
| 4636056 | Electrical power supply circuit in a camera In a camera where the light metering circuit is supplied with electrical power by pushing the shutter release button to a first stroke, an electrical power supply circuit is constructed in such a way that when the time for which the shutter release button... | 01/13/1987 |
| 4636053 | Distance detecting device A distance detecting device comprising radiation projecting means for projecting a radiation beam; radiation sensing means which is disposed away from the radiation projecting means with a given length and is arranged to receive a reflected radiation beam... | 01/13/1987 |
| 4635801 | Device for holding and storing articles There is provided a device for holding and storing articles which comprises an elongated, ruler like member having a slot extending longitudinally in the ruler like member, one or more pairs of springy fingers being provided--the two fingers in a pair bei... | 01/13/1987 |
| 4636055 | Camera In the disclosed camera, the display indicating the camera's operating condition is visible from outside of the camera housing. When a lens cap, barrier, or other operating member makes it substantially impossible to expose the film in the camera, the inf... | 01/13/1987 |
| 4634253 | Underwater photographable camera A camera of waterproof construction permitting underwater photography includes focusing means for adjustment of the focal point of a photo-taking lens and operation means for adjusting the focal point of the lens to a predetermined position suited for und... | 01/06/1987 |
| 4633993 | Hydraulically operated clutch release bearing The hydraulically operable clutch release for a motor vehicle friction clutch comprises a housing part (3) of substantially ring form and an annular piston (9) guided displaceably in sealed manner in the direction of the ring axis on the housing part (3).... | 01/06/1987 |
| 4633072 | Focus apparatus for zoom lens system with distance detection Focusing optics placed behind the zooms optics of a zoom arrangement are focused by computing the necessary focusing movement in response to the output of a focal length detector and an object distance detector. Comparison is made to the actual position o... | 12/30/1986 |
| 4633300 | Color information detecting device The disclosed color information detecting device is constructed of detectors each for detecting a one of a number of different colors and each having a number of light receiving faces. The detectors are arranged on the same plane independently of each oth... | 12/30/1986 |
| 4630899 | Zoom lens having movable diaphragm In the disclosed zoom lens, a varifocal lens system includes a positive first component at the object end of the system and is movable closer to the object in a telephoto position than in a wide angle position. A diaphragm on the image end of the varifoca... | 12/23/1986 |
| 4630834 | Sealing assembly for universal joint A sealing assembly for a universal joint formed as an annular disc made of resilient material extending in sealing engagement between an inner joint member or a shaft part thereof and an outer joint member with the annular disc being in sealed engagement ... | 12/23/1986 |
| 4630512 | Adjustable motor-operated screw driving device In a motor-driven screw driving device, a drive unit and a drive member are located within a housing and are interconnected by a torque-limiting coupling. The coupling is adjustable by changing the force applied to a spring element. The spring element is ... | 12/23/1986 |
| 4630345 | Method for manufacturing a cylinder unit for a cylinder piston combustion engine A cylinder unit of a cylinder-piston-combustion engine comprises a cylinder housing and a lining unit inserted into the cylinder housing. The lining unit consists of a cylindrical liner sleeve and a terminal wall and encloses a combustion space. The termi... | 12/23/1986 |
| 4630971 | Apparatus for anchoring rock and the like An anchoring apparatus for insertion into a borehole in a rock stratum for supporting the rock surface or wall, such as in a rock tunnel or rock excavation, includes a tension member in the form of an axially elongated steel rod with force transmission ri... | 12/23/1986 |
| 4630836 | Drill chuck for use in percussion drilling In a chuck for use in a drilling device, such as a hammer drill, capable of performing rotary or rotary/percussion drilling, clamping jaws are provided to secure a tool in the drilling device. The clamping jaws each have a convex surface transverse to the... | 12/23/1986 |
| 4629877 | Photo-electric conversion device In the disclosed photo-electric conversion device, a light source repetitiously emits light and a photo-electric converter receives reflected light originally generated by the source and ambient light. A first store stores the output of the photo-electric... | 12/16/1986 |
| 4629775 | Room temperature-curable organopolysiloxane composition The room temperature-curable organopolysiloxane composition of the invention can be cured into a rubbery elastomer which exhibits strong adhesion to the surface of a substrate made of, for example, a plastic resin even without the use of a primer or other... | 12/16/1986 |
| 4629301 | Camera having a motor winding mechanism A camera having a built-in winding unit wherein at least a sprocket and a spool of the winding mechanism are provided on a first base plate and a space is formed between the first base plate and second base plate, whereby a part of the winding mechanism i... | 12/16/1986 |
| 4629294 | Zoom lens A zoom lens includes, from front to rear, a positive first component, a negative second component, a positive third component and a positive or negative fourth component. The first, third and fourth components are movable to vary the focal length of the e... | 12/16/1986 |
| 4629044 | Clutch mechanism comprising a freewheeling unit disengageable in the driving direction A clutch mechanism designed to include a free-wheeling unit which is disengageable in the driving direction consisting of a clutch hub and a clutch sleeve which cooperate with locking catches, with the clutch sleeve being embraced by a control ring. Contr... | 12/16/1986 |
| 4629028 | Wheel assembly with universal joint drive A wheel assembly for a motor vehicle including a bearing assembly rotatably mounting a wheel and a universal joint for driving the wheel. An inner bearing ring of the wheel assembly is fitted in rotative driving engagement with the outer joint member of t... | 12/16/1986 |
| 4628567 | Door hinge assembly for motor vehicles enabling dismounting and remounting of the door during assembly A hinge assembly particularly for the door of a motor vehicle enabling the door to be removed and replaced during assembly of the motor vehicle, wherein a first and a second hinge member are engaged on a hinge pin with the first hinge member being freely ... | 12/16/1986 |
| 4630146 | Rotary head type reproducing apparatus In an apparatus of the kind arranged to reproduce, with a plurality of rotary heads, an information signal from a record bearing medium having many recording tracks which are parallel to each other with the information signal recorded therein and with a p... | 12/16/1986 |
| 4629883 | Protective device for movable shelves A protective device for movable mechanical shelves, such as paternoster shelves, discontinues movement of the shelves when obstructions are located in their path. The protective device includes light barriers positioned at the boundaries of an opening at ... | 12/16/1986 |
| 4628378 | Information signal recording and/or reproducing apparatus The disclosed information signal recording and/or reproducing apparatus records or reproduces an information signal by shifting two electric-to-mechanical conversion elements which respectively have heads mounted thereon. Each electric-to-mechanical conve... | 12/09/1986 |
| 4628377 | Information signal reproducing apparatus Disclosed is an information signal reproducing apparatus reproducing apparatus for reproducing information signals recorded on a recording medium, moving apparatus for moving the recording medium relative to the reproducing apparatus, manually operable ap... | 12/09/1986 |
