Class 248/330.1 - Spring

Subclass of Class 248 - Supports
Definition: Devices in which the reel is a spring reel.
No. of patents: 20
Last issue date: 12/19/2006

Number	Title	Issue Date
7063299	Suspending equipment A mechanism for suspending equipment from an overhead structural member includes a suspension strand, e.g. of wire or wire rope, provided at one end with a screwthreaded portion, together with a locking device having in bores each preferably associated with a wedgin...	06/20/2006
6851376	Pull down shelf for overhead storage A pull-down shelf for storage of articles has a lower shelf portion that contains a wind-up mechanism, which can be spring powered or motorized, an overhead mounting plate that attaches to ceiling joists or the like, and at least a pair of cables that are wound onto...	02/08/2005
6805314	Tool support A support assembly and method is provided for suspending lightweight tools or other objects, such as hairdryers and the like. The assembly provides support and in particular embodiments, electrical power to the object suspended. In addition, the assembly provides ma...	10/19/2004
6634610	Retractable self-leveling ceiling sign hanger A self-leveling sign hanging device having a housing hung from the structural support members of suspended ceilings. A cable is stored in the housing on a wind up reel. A spring applies a force to the reel to wind the cable on the reel. The cable exits an...	10/21/2003
5687943	Apparatus for supporting a video camera and cable above a work surface An apparatus is provided for use with a cabled video camera that transmits magnified images of an object or printed text on a work surface via a cable to a video monitor. The apparatus includes an elongated leg and an elongated arm connected at an angle t...	11/18/1997
5582378	Extensible device for supporting objects, especially illumination devices as in photographic studios and the like A structure composed of articulated rods extending between a fixed attachment point and a free attachment point for the object to be supported. This structure is extensible in the direction of the straight line joining the fixed attachment point and the f...	12/10/1996
5580021	Power tool suspension mechanism with momentary tension relieving device A suspension mechanism for a manually manipulated power tool which, upon actuation of the power tool momentarily relieves the tension supporting the power tool and enables the power tool's weight to be utilized to augment the axial force required to perfo...	12/03/1996
5240218	Retractable support assembly A vertically retractable support assembly comprising a plurality of telescoping sets of three or more laterally spaced vertical guide rods, the rods of each set being laterally tied at their lowermost ends to impart lateral stability to the rods thereof. ...	08/31/1993
5077936	Adjustable hanging basket A hanging plant holder which is height adjustable. A cable wraps around a pulley enclosed in the base of the plant holder and attaches to a hook in a ceiling. A braking and release mechanism in the plant holder allows the pulley to move in such a fashion ...	01/07/1992
5065971	Height adjustable plant hanging device A height adjustable device for suspending a planter comprises a locking member adapted to be mounted above the planter, a handle member and a cable attached at a first end thereof to the planter. The cable passes through the locking member and is wound ar...	11/19/1991
5037059	X-ray diagnostic device with safe and durable X-ray tube suspension mechanism An X-ray diagnostic device with a suspension mechanism for suspending an object in a vertically movable manner, using two suspension wires, which can avoid the shortened durability of the suspension wires, and using windup type springs, which can eliminat...	08/06/1991
4773623	Retractable holder for an article A retractable holder for an article includes first and second housing members. The first housing member has a first wall and a generally perpendicular peripheral side wall. The second housing member has a second wall generally parallel to the first wall w...	09/27/1988
4729646	Multi-use microscope having modular construction of extruded parts A microscope is provided which is simply, accurately and inexpensively constructed from substantially all extruded parts. The modular construction of the microscope greatly reduces the costs of the instrument without sacrificing accuracy. The modularity f...	03/08/1988
4556184	Extendible ceiling hook An extendible ceiling hook comprises an apparatus for suspending a hanging plant at various distances from a ceiling for the purposes of ease of maintenance, appearance and the general well being of the plant. An extension line, wound on an extension spoo...	12/03/1985
4389228	Constant tensioning device A tensioning device is disclosed for maintaining proper tension of a filter bag assembly. The device includes a rotationally mounted cam, a torsion spring urging the cam to rotate in one direction, and a cable trained around the cam opposing the force exe...	06/21/1983
4323212	Mounting devices A device for mounting an electrical device such as a hair drier comprises a tube 10, suspension means 11, 12 to suspend the tube from a support with the tube extending downwardly, an extendable electrical lead 14 for the hair drier, the lead being urged i...	04/06/1982
4300732	Up-and-down pulley device for suspension lamps and the like An improved up-and-down pulley device for suspending height adjustable lamps or any other article requiring a regulated descent. The device comprises an adjustable friction system for the lamp descent, wherein the suspension wire winding drum is free to r...	11/17/1981
4187996	Hanging plant elevator A device for adjustably supporting potted plants or similar articles from a room ceiling or beam in such manner that it may be conveniently lowered for watering or other attention and subsequently returned to display position. The device includes a housin...	02/12/1980
3973656	Suspended fixture assembly A suspended electrical fixture assembly including a supporting bracket, a fixture, and a line extending from the bracket to the fixture holding the latter in a suspended state. The line is taken up on a drum powered by a motor spring in a drum assembly mo...	08/10/1976

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Class 248/330.1 - Spring