"I watched his countenance closely, to see if he was not deranged ... and I was assured by other senators after he left the room that they had no confidence in it."
U.S. Senator Smith of Indiana ; After seeing Samuel Morse demonstrate the telegraph.
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Number | Title | Issue Date |
| 4434871 | Emergency escape ladder The present invention entails an emergency escape ladder that can be used to descend from one level of a building downwardly to another level, after which the ladder may be repeatedly repositioned for descending on downwardly in a like manner. Functionall... | 03/06/1984 |
| 4434872 | Vehicle lift An improvement to a conventional hydraulic automobile lift, particularly adapted to lifting an automobile having a suspended, "dead" rear axle. The conventional lift included saddles for cradling the wheels, forks connected to a hydraulic ram for lifting ... | 03/06/1984 |
| 4434873 | Electric elevator car driving device An electric elevator car drive has a sheave having grooves lines with non-metallic linings, and a controller which stops the elevator car when the linings are damaged. The grooves of the sheave have a plurality of metallic projections projecting thereinto... | 03/06/1984 |
| 4434874 | Elevator system A feedback controlled elevator system including a speed pattern generator for providing a speed pattern signal responsive to desired speed. A limiting signal responsive to the absolute position of the elevator car is compared with the speed pattern signal... | 03/06/1984 |
| 4434875 | Emergency levelling device for a lift car An emergency device for bringing a lift car (10) to a level in the event of an unwanted stoppage in a different position from a normal stop level (Ln) comprises an auxiliary hydraulic motor (30) with a reversible sense of rotation arranged to o... | 03/06/1984 |
| 4434876 | Guide roller for skip or cage The invention provides a guiding arrangement for a skip, cage, lift or the like wherein guide rollers on opposed sides of the skip are urged against guides which flank the skip, each by way of first and second biasing springs. The first biasing spring has... | 03/06/1984 |
| 4434877 | Truck-mounted brake system for railway cars A power cylinder unit, adapted for use in truck mounted, self-aligning railway freight car tread brakes comprises a housing, a bulkhead which seals the housing, and a rigid, but moveable piston rod. The housing includes an annular bearing adapted to provi... | 03/06/1984 |
| 4434878 | Clutch mechanism for power transmission system A clutch mechanism for a power transmission system including one drive member and two driven members, in which at least one pair of roller clutch members are interposed between the drive member and two driven members so as to transmit power from the drive... | 03/06/1984 |
| 4434879 | System for automatic actuation of a motor vehicle clutch A system for automatic actuation of the clutch of a motor vehicle wherein a pneumatic cylinder operates a normally engaged clutch to disengage the clutch when fluid pressure is applied to the pneumatic cylinder. A valve system operated through a control s... | 03/06/1984 |
| 4434880 | Handwheel clutch for sewing machines A handwheel clutch for a sewing machine having a bistable tiltable element for engaging or disengaging the clutch thereby coupling or decoupling the handwheel from the arm shaft.... | 03/06/1984 |
| 4434881 | High speed accessory disconnect apparatus and methods A disconnect member is spline-connected to one end of the connecting drive shaft of an engine and a driven accessory, and is axially translatable into and out of coupling engagement with the engine. The disconnect member has a spiraled, axially ramped cam... | 03/06/1984 |
| 4434882 | Clutch release bearing A clutch release bearing has a sliding sleeve of a vibration damping and noise insulating material. The sliding sleeve has a flange axially engaging a bearing outer ring, the outer ring being separated from a bearing inner ring by rolling elements. The sl... | 03/06/1984 |
| 4434883 | Device for shaft alignment in a clutch or brake assembly A device for shaft alignment in a clutch or brake assembly is shown according to the teachings of the present invention. A quick demount bushing for receipt upon the shaft is provided having an outer tapered surface for receipt in an inner tapered bore fo... | 03/06/1984 |
| 4434884 | Spiral escalator A passenger carrying system for transporting passengers between two floors, comprising a plurality of interconnected steps which move between the floors in a closed pattern that includes sections which spiral down and up between the floors around vertical... | 03/06/1984 |
| 4434885 | Overcap orienting apparatus Apparatus for arranging overcaps in like orientation. The apparatus includes a cylindrical bin for holding a large number of jumbled overcaps. The bin has an opening on one side along which a chute is located. A cylindrical array of horizontal flight bars... | 03/06/1984 |
| 4434886 | Apparatus and methods for positioning electrical components An electrical component positioning apparatus includes a frame with first and second substantially horizontally extending conically tapered rollers rotatably mounted upon the frame. Edges of the first and second rollers closest to each other are arranged ... | 03/06/1984 |
| 4434887 | Isolated stop for vibrating feeders An apparatus is provided for feeding components by vibration, halting the feed of the components at an unload station, and picking-up the components by an unloader at the unload station in which the pick-up head and the means for stopping the feed of comp... | 03/06/1984 |
| 4434888 | Apparatus for supplying an article sorting machine conveyor, a method for using this apparatus The invention relates to an apparatus for supplying a conveyor of an article sorting machine. It also relates to a method for using this apparatus. The apparatus essentially comprises a storage system (1) constituted by a plurality of belts (t1... | 03/06/1984 |
| 4434889 | Greeting card construction A greeting card construction includes a message-conveying section comprising at least one panel and a collapsable receptacle affixed to the message conveying section. Upon receipt the collapsable receptacle can be removed from the remainder of the constru... | 03/06/1984 |
| 4434890 | Packaging container for sensitive products The present invention provides a temperature-stabilizing packaging container for condensation sensitive, water containing products in closed tubes, especially semi-solid test media such as immersion nutrient substrate carriers for the determination of mic... | 03/06/1984 |
| 4434891 | Disc package A disc package (10) includes a generally circular base (18), a core (34) extending upwardly from the base (18), and a cover (44) having a peripheral skirt (48) extending to a lower rim portion (50). The circular top is fastenable to the upper end portion ... | 03/06/1984 |
| 4434892 | Holding device for nested pipes A device for holding nested pipes which comprises an abutting member adapted to bear against the socket ends of all the pipes, and radial-axial retainer means removably mountable on the abutting member and having an engaging projection fittingly engageabl... | 03/06/1984 |
| 4434893 | Tamper evident packaging A tamper evident packaging for contaminatable products. The packaging includes inner and outer gas-tight containers. In one embodiment, the inner container has only one flexible wall and the outer container has only one flexible wall. The inner and outer ... | 03/06/1984 |
| 4434894 | Dual purpose pallet sheet A specialty package in which a plurality of flexible cloth bags are shipped with the bags neatly folded in flattened condition and arranged side-by-side in separate layers, simulating separate compartments, within an outer shipping container. The compartm... | 03/06/1984 |
| 4434895 | Strapped wicketed bags packet A wicketed bags packet is provided that comprises a stack of flattened, flexible plastic bags having two wicket holes therethrough; wicket shanks extending through said wicket holes respectively; and elongate, flexible binding members crossed in an under-... | 03/06/1984 |
| 4434896 | Tamper-resistant reclosable package Disclosed is a tamper-resistant reclosable package containing highly visible tamper indicators.... | 03/06/1984 |
| 4434897 | Clothes drying rack A clothes drying rack having a vertically elongated cabinet with a rack set disposed in the upper end thereof moveable from a vertical position in the cabinet to a horizontal position extending therefrom. The rack set is disposed in the upper end of said ... | 03/06/1984 |
| 4434898 | Clothesline mast A clothes line has a pair of retractable masts (10,11) telescopically mounted within sunken casings and raised by fluid pressure. Cross-head (14) is detachably connected to mast (11), whilst cross-head (12) is connected to mast (10) and stored within a bo... | 03/06/1984 |
| 4434899 | Adjustable wire tote for printed circuit boards A tote carrier for printed circuit boards is formed of wire members with each side being formed of a plurality of parallel wire members. The two ends have slidably mounted thereon at least two card holding members which are parallel to each other, which m... | 03/06/1984 |
| 4434900 | Free standing article display apparatus A free standing article display apparatus includes detachable panel and post combinations which may be rapidly assembled and disassembled to provide a wide variety of forms and configurations for accommodating and matching the area and motif of a display ... | 03/06/1984 |
| 4434901 | Safety apparatus for cranes Safety apparatus is disclosed for a crane including a crane body that rotatably swings about a substantially vertical axis about an undercarriage that moves on endless tracks. The crane body has opposed sides, a front end and back end, and a crane boom pr... | 03/06/1984 |
| 4434902 | Apparatus for extending and retracting a manual boom section A telescopic boom includes at least two sections and a manual section is sections being extended and retracted by a single hydraulic ram. A first coupling selectively connects or releases the ram's cylinder case from the second boom section while a second... | 03/06/1984 |
| 4434903 | Safety closure and container The combination of a multi-functional closure and container including an open neck portion. The closure includes a top wall, a resilient member carried by the top wall and a depending skirt portion for receiving the open neck portion of the container. Cor... | 03/06/1984 |
| 4434904 | Bottle closure A plastic container and a three-piece closure system therefor are disclosed. The container has a threaded neck defining a dispensing outlet. A separate closure covers the dispensing outlet and is heat-sealed to the threaded neck, forming a frangible secti... | 03/06/1984 |
| 4434905 | Rupturable low pressure relief apparatus Rupturable pressure relief apparatus are provided which are less subject to damage and premature failure as a result thereof and which reliably rupture at very low pressure differentials. The apparatus are adapted to be clamped between conventional pipe f... | 03/06/1984 |
| 4434906 | Container having resealable opening means In a sheet metal or plastic container for storing beverages or the like a plug member is located against an opening region provided in the container's end wall and defined by a score line. The plug member has a closing peripheral edge which has the same g... | 03/06/1984 |
| 4434907 | Container having an originally sealed condition which can be opened and thereafter closed A container comprising a body (1) with a lid (2) initially sealingly engaged on the body. The lid is removable from the body to open the container and is replaceable to close the container. The body has a mouth with a strip (10) of annular extent secured ... | 03/06/1984 |
| 4434908 | Container having integral opening means A one-piece container blank including an easy-open end is provided with a pull tab, the free end of which may be raised upwardly to initiate tearing of a ribbon of plastic from a sloping side wall of the end closure. The tearing is initiated along a slopi... | 03/06/1984 |
| 4434909 | Pressure cooker interlock A pressure cooker is disclosed having a safety interlock including a resilient gasket interposed between flat sealing surfaces of a receptacle and a cover, and configured to form a seal against the surfaces when they are spaced by a first distance, and to... | 03/06/1984 |
| 4434910 | Sealing device and process for a metal pack This sealing device for a cylindrical metal pack having a total opening, of the type comprising a recipient and a pressed-out cover and in which the inner peripheral surface of the opening of the recipient, which is devoid of an inner radial flange, coope... | 03/06/1984 |