Class 267/166.1 - Conical

Subclass of Class 267 - Spring devices
Definition: Spring device wherein the turns of the helix lie upon the
No. of patents: 33
Last issue date: 09/02/2008

Number	Title	Issue Date
7418753	One-sided mattress A one-sided mattress construction includes a spring assembly with asymmetric spring coils. Only the bottom portion of each spring coil is attached, either to adjacent spring coils or to a bottom surface of the mattress. The top portion of each spring may have a narr...	09/02/2008
7309357	Prosthetic spinal discs A prosthetic spinal disc uses a stiff spring or springs for resiliency between two plates that attach to adjacent vertebrae. When the disc has multiple springs, they may be adjacent, concentric or nested. Multiple springs may be spaced around the periphery of the pl...	12/18/2007
7270320	Antivibration element An antivibration element (1) is especially for a portable handheld work apparatus such as a motor-driven chain saw or a brushcutter. The antivibration element includes a coil spring (2) and at least one guide. An end section (7, 8) of the coil s...	09/18/2007
7247007	Linear compressor A linear compressor includes a cylinder part and a piston part. A spring connects the cylinder part and the piston part and operates in the direction of reciprocation of the piston part relative to the cylinder part. The piston part includes a radially compliant but...	07/24/2007
7222576	Gate apparatus for tufting loop and cut pile stitches A gated looper apparatus has an array of individually mounted pressurizable air cylinders with piston rods acting against biased slider bars in communication with looper gates. Baising elements are mounted external of pneumatic cylinders about slider bars with prote...	05/29/2007
7210181	Spring construction An improved spring construction for mattresses, box springs, furniture and other applications is provided. The application of such springs in mattresses, box springs, furniture and other applications is also provided. In one aspect of the invention, the spring const...	05/01/2007
7178187	Asymmetric spring components and innersprings for one-sided mattresses Asymmetric spring components for mattress and other flexible support structures, in the form of helical coil springs with turns in the coil body having varying pitch angles and radii, and a single support end for use in a one sided innersprings in one-sided mattress...	02/20/2007
7145768	Computer controlled display device The present invention is a computer controlled display device. In one embodiment, the display device includes a flat panel display having an input for receiving display data. Additionally, a moveable assembly may be coupled to the display. The moveable assembly may ...	12/05/2006
6986508	Spring holding cone for holding a spring end of a spiral torsion spring A spring holding cone (1) for a spring end of a spiral torsion spring (13), especially a sectional door spring for an industrial door or a garage sectional door, has an outside surface (2) for supporting the spring end of the torsion spring (...	01/17/2006
6957806	Airspring assembly An improved airspring assembly includes a collapsible support member disposed within the pressurizable chamber of an airspring having a flexible sidewall. The support member is configured such that it extends and collapses along a longitudinal axis of the chamber re...	10/25/2005
6931685	One-sided mattress A one-sided mattress construction includes a spring assembly with asymmetric spring coils. Only the bottom portion of each spring coil is attached, either to adjacent spring coils or to a bottom surface of the mattress. The top portion of each spring may have a narr...	08/23/2005
6481701	Spring having coils of varying diameters A spring includes intermediate coils of larger and smaller diameter so that upon compression of the spring the smaller diameter coil may nest within one of the large diameter coils, thereby reducing the overall length of the spring without causing the coi...	11/19/2002
6371464	Valve spring A method of making a spring are described. The spring is made by etching or cutting at least one spiral arm in a flat substrate leaving residual material around the arm. The intermediate residual material is either pushed or lifted to form a conical sprin...	04/16/2002
6371434	Spring arrangement apparatus for mounting a vibration-sensitive or shock-sensitive device Spring arrangement for mounting a vibration- or shock-sensitive device attached to a supporting member in a housing, with the supporting member being fastened to the housing by helical spring elements. The supporting member is suspended in the housing by ...	04/16/2002
5878998	Conical spring A conical spring is formed by a steel wire, which is coiled into a series of rings in opposite directions. The wire is first coiled from the base thereof in one direction and in accordance with a predetermined rotating angle and is then coiled in a revers...	03/09/1999
5868383	Multiple rate coil spring assembly An automated method for the manufacture of a coil spring assembly including inserting coil springs having predetermined multiple spring rates into respective individual pockets of a continuous pocket strip in a predetermined order. The predetermined multi...	02/09/1999
5546614	Refuse collector drainpipe insert A refuse-collecting drainpipe insert is a generally helical coil formed by a strip of rectangular cross section and having a bulge located axially generally centrally of the coil, and frustoconical end portions tapered oppositely from the central bulge of...	08/20/1996
5516085	Helical compression spring A helical compression spring which has at both ends terminal rings with the diameter of the flight and is designed as a plastics injection molding. The technical problem is to provide corrosion-resistant and lightweight helical compression springs which a...	05/14/1996
5507476	Shock-absorbing assembly for bicycle saddle An improved shock-absorbing assembly in combination with a bicycle saddle is equipped with a pair of vibration springs having two bell-shaped portions connected end to end and a receving groove is disposed at the junction thereof. A retaining member havin...	04/16/1996
5425531	Inner and outer conical spring sections with axially movable plug A spring system comprising an axially movable, generally conically shaped plug having a flange on its larger diameter end, and a coil spring, within which the plug is axially arranged, formed in two co-axial integral inner and outer coil spring sections. ...	06/20/1995
5269500	Method and apparatus of the conical spring A conical spring is a universal spring that comprises a load applying component, formed to have an appropriate geometrical configuration with interfacing surface symmetrical to a predetermined axis, and a load absorbing component, being able to vary dimen...	12/14/1993
5033375	Can crusher An improved can crusher device including a coil spring, forming a chamber, attached at its upper end to a substantially flat disk. When force is applied to the disk a can placed within the chamber is crushed. Preferrably, the coil spring is flared progres...	07/23/1991
5010783	Tappet retainer assembly Conventional tappet retainer assemblies for a fuel injection pump typically include a blind radial passage formed in a tappet. Only one opening in the passage is available for inserting and removing a ball bearing or spring and stop pin which must be held...	04/30/1991
4869704	Toy Spring-like element for use as a toy or the like consisting of a coil of copper tape of high width-to-thickness ratio forming an elongated frusto-conical structure that exhibits spring characteristics combined with dry friction damping....	09/26/1989
4828237	Reduced length MacPherson strut A reduced length hydraulic shock absorber, preferably for use in a MacPherson strut, does not sacrifice structural rigidity under radial loads. A circumferential sleeve member is attached to the cylinder adjacent the end of the cylinder from which the pis...	05/09/1989
4793597	Tapered end composite spring Two support assemblies for respectively supporting the tapered end and the cylindrical end of an elongated tubular elastomeric spring between two opposed spring seats are disclosed. The support assembly for the tapered end is made up of an elongated retai...	12/27/1988
4765365	Faucet spring A faucet spring utilized to urge the faucet seal member into sealing contact with the rotatable valving member and prevent large debris, such as valve washer screws from previous faucet assemblies, from contacting the valving member under the fluid pressu...	08/23/1988
4397453	Self-telescoping cartridge magazine spring A self-telescoping cartridge magazine spring having two-sizes of coils with the smaller ones disposed at various points along the length of the spring, such that on compression they fit completely within the outer ones. The inner and outer coils are conne...	08/09/1983
4160544	Small diameter, single cone coil spring for use in a box spring assembly An improved single cone coil spring and an improved box spring assembly made from the improved single cone coil springs. The box spring assembly comprises a base frame, a series of the improved small diameter single cone coil springs and a welded wire gri...	07/10/1979
4120489	Double truncoconical spring of wire with circular cross section A double truncoconical spring of wire having a circular cross section, said spring having a coil diameter which is greatest in the middle portion of the spring and in which, under maximum load the coils of one half of the spring lie inside one another in ...	10/17/1978
4111407	Conical compression spring A conical compression spring having the characteristics of a cylindrical spring of much greater free length. The spring is characterized by wire whose diameter diminishes from base to apex end and by coils whose pitch diminishes from base to apex end such...	09/05/1978
4077619	Helical compression spring made of wire of circular cross section, especially for use in motor vehicles A helical compression spring having a partially progressive characteristic which has a cylindrical portion of constant wire thickness coterminously and integrally joined to a truncoconical portion whose coil of greatest coil diameter is disposed away from...	03/07/1978

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Class 267/166.1 - Conical