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Patent # Description
US-4,493,494 Ski pole handle
A ski pole handle having both a finger shield and a thumb shield for restraining the thumb against backward movement relative to the fingers.
US-4,493,493 Alignment adjustment apparatus for vehicle wheel suspension
A lateral control link of an independent rear wheel vehicle suspension is provided at its inboard pivot connection with an adjustment lever swingable on a...
US-4,493,492 Foldable multi-functional carriage
The present invention relates to a foldable multifunctional carriage, particularly for use in performing cleaning and maintenance tasks in hospitals, of the type...
US-4,493,491 Apparatus for transporting truck tractors and truck units
A trailer is described, whose bed is controllably adjusted in height to facilitate the loading, transportation and unloading of truck tractors and truck units....
US-4,493,490 Front fork for cycle
A front fork including an outer cylinder 2 and a slidable inner cylinder 3 with working oil between them has a dust seal 5 and an oil seal 6 in sliding contact...
US-4,493,489 Device for fixing a derailleur on a frame lug
The fixing device is cheap and facilitates the mounting of the derailleur on the frame lug. This is achieved in providing on the support of the derailleur a...
US-4,493,488 Pressure control wheel chair seat
A wheel chair seat comprised of a one piece rigid configuration that offers stable support allowing controlled height seating and having a special cushion...
US-4,493,487 Interchangeable tiles puzzle
A puzzle comprising a box having an open face and a base wall relative to which a plurality of support elements carrying tiles provided with identification means...
US-4,493,486 Ball base construction and anchor
An improved base includes a base pad member having a flange plate attached to the bottom thereof for cooperation with a flat plate mounted on a post inserted in...
US-4,493,485 Exercising apparatus and method
An exercising apparatus and method incorporating an open loop system which monitors the activity of an exercising person and directs such activity by displaying...
US-4,493,484 Device for guiding and receiving letters at the exit of a mail-sorting machine and a machine equipped with said...
Letters discharged from a mail-sorting machine are received by a switching flap and pendulum for braking and guiding them towards the bottom of a selected...
US-4,493,483 Inverter-reverser for a reproduction machine
A reproduction machine adapted for producing copies of an original on both sides of a copy sheet and forwarding the finished copy to a collator. An ...
US-4,493,482 Motion stabilizing and aligning apparatus for moving folded signatures through an ink jet printer
In a booklet-making system including a collating conveyor having an inverted V-shaped top profile for receiving folded signatures to be draped thereover, a...
US-4,493,481 Pneumatic spring for motor vehicles
A pneumatic spring for motor vehicles which includes two supports as well as closed spring volumes and two spring surfaces of different sizes which surfaces are...
US-4,493,480 Electrified fence gate
An electrified fence gate including a tensioned flexible support wire extending horizontally across a fence gate opening, at a height greater than that of...
US-4,493,479 Hoist drive safety system
A hoist having a motor, gear reduction unit, drum, and an emergency brake on the drum or on a drive-coupled element close to the drum. A brake-actuating...
US-4,493,478 Jack
A jack comprising a screw and a nut member, the displacement of which along the screw produces a change in the distance between the active portions of the jack....
US-4,493,477 Carpenters tool
A carpenter's tool for use in construction of wood framed structures includes an elongated handle having one end sharpened for penetration into wood and a bar...
US-4,493,476 Slide valve for controlling fluid flow
A slide valve for controlling fluid flow, useful especially but not exclusively where high precision and high quality performance are required, as in scientific...
US-4,493,475 Seal for quick disconnect coupling
A seal for a quick disconnect coupling. The seal is made up of several washers, each washer being made of a plastic such as polytetrafluoroethylene (PTFE). The...
US-4,493,474 Electromagnetic valve unit
An electromagnetic valve unit wherein a solenoid coil is assembled within a motor housing in surrounding relationship with a stationary core, a yoke member is...
US-4,493,473 Valve arrangement
"A poppet valve assembly includes a valving element in the form of a freely slidable poppet, a freely slidable pilot piston having an elongated integral pin...
US-4,493,472 Mould used for making a racket frame
A mould used for making a racket frame comprises an upper mould piece, a lower mould piece and an intermediate mould piece which cooperate to form a cavity that...
US-4,493,471 Sound speaker stand for attenuating vibrations
A speaker stand for supporting a speaker enclosure on the floor comprising a rigid planar member (11) supporting a waffled cushion pad (12) on the top surface...
US-4,493,470 Rapid action clamping for cooperation with slot tracks
The device disclosed is a rapid action clamping element for locking, for example, latch elements to the floor in an aircraft provided with slot tracks. The...
US-4,493,469 Height adjustment control arrangement
A height adjustment control arrangement for adjusting the height of a chair seat relative to a chair base in an office chair, includes a lower mounting assembly,...
US-4,493,468 Adjustable pipe fastener
A pipe fastener for securing pipes along walls, ceilings or the like, having top and bottom members each having two generally broad, flat sides extending at...
US-4,493,467 Strain relief
A one-piece plastic strain relief bushing for power line cords comprises a main body portion with a pivoted locking portion at one end thereof. The main body...
US-4,493,466 Riser
A seat-mounted parachute employs two-way stretch material to prevent the ease cord for canopy glide control from bunching or binding.
US-4,493,465 Helicopter engine torque compensator
The blade angle controlling pitch beam servo (26) of a helicopter tail rotor (22) is responsive to a signal manifestation (76) indicative of free turbine engine...
US-4,493,464 Packaged strand
A method of facilitating the unwinding of a wound body of strand includes encompassing the body in a heat-shrinkable stretch membrane and heating the resulting...
US-4,493,463 Cable winding apparatus
An apparatus guides a cable so that the cable is wound on a drum in a substantially uniform manner. The apparatus includes a rigid elongated support slidable...
US-4,493,462 Spool with lifting handles
A molded plastic spool for the shipping, storage and handling of a substantial weight of wire which comprises bottom and top end flanges at respective bottom and...
US-4,493,461 Kite reel
A kite reel for controlling a line is provided and consists of a handle having a transverse aperture near top, an axle fixed at one end within the aperture of...
US-4,493,460 Apparatus for depositing a web of material on a table
Material, such as fabric, is unwound from a bolt (7) in a magazine (6) and deposited on a table (1). The magazine (6) comprises a chain (8) having suspension...
US-4,493,459 Multi-purpose centrifugal mill
A multi-purpose heavy duty centrifugal mill including a vertically disposed housing to which various frangible materials are fed tangentially to a pre-grinder...
US-4,493,458 Rotary sprinkler
A two-part housing in which is mounted an elastically stretchable diaphragm dividing the interior of the housing into a substantially peripheral inlet chamber,...
US-4,493,457 Method and apparatus for making artificial snow
An improved method of and apparatus for making artificial snow. The snow making machine disclosed for practicing the invention includes a ducted fan for...
US-4,493,456 Temperature-responsive automatic ventilator
An improved foundation ventilator assembly including a housing in which united shutter elements are mounted for pivotal movement between an open and closed...
US-4,493,455 Adjustable thermostat valve system for automotive vehicles
This automobile thermostat valve system is designed to take the place of the common thermostat, so as to enable an automobile to run efficiently in any part of...
US-4,493,454 Cash collection receptacle
A cash collection receptacle for receiving coins and paper currency from a farebox is disclosed. The receptacle is comprised of a five-sided steel cashbox with...
US-4,493,453 Box for display and dispensing articles
A closure for one end of a carton having four walls has a first pair of opposed flaps extending from two of the walls. Each flap of the first pair of flaps has a...
US-4,493,452 Method of producing a plate of steel
In a method of producing heavy plate of steel, a prematerial is hot-rolled in several passes. As the prematerial at least two slabs of the same steel quality are...
US-4,493,451 Filling fissures in metal articles
Superalloy components which have defects such as pits, machining errors or any other `lack of metal` condition can be repaired using a braze stabilized sinter...
US-4,493,450 Welding apparatus for vehicle body of two-wheeled vehicle
Welding apparatus for a vehicle body of a two-wheeled vehicle including a machine base, at least one lower jig carrier mounted on the base for reciprocation...
US-4,493,449 Soldering tool for a robot
A soldering apparatus is disclosed for attachment to a positioning robot arm. A soldering iron and a supply of solder are combined on an accessory tool and...
US-4,493,448 Apparatus for orienting and placing a button for attachment to a garment
An apparatus for orienting and placing a button for attachment to a garment, comprising: a support; a guide mounted or said support and having a guide channel...
US-4,493,447 High speed article feeding apparatus
A high speed article feeding apparatus for successively feeding articles in sheet or strip form to a work station for the performance thereon of a shaping or...
US-4,493,446 Multiple roll tape dispenser
A tape dispenser (1) for a plurality of rolls of pressure sensitive adhesive tape (70) including a tape storage compartment (5) and tape severance compartment...
US-4,493,445 Bodyforms
A bodyform, in particular a dressform, wherein a central support carries opposed pairs of body sections which are adjustable in spacing by means of adjustment...
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