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Patent No. 6637447

Beerbrella

A small umbrella which may be removably attached to a beverage container in order to shade the beverage container from the direct rays of the sun.

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Class 248/406.2 - Weight or load responsive


Subclass of Class 248 - Supports
Definition: Structure wherein the means for locking and/or unlocking
No. of patents: 37
Last issue date: 04/08/2008


NumberTitleIssue Date
7354111Securing assembly for a drummer's chair
A securing assembly for a drummer seat having a cylinder integrally formed on a bottom face of the base and having a cutout in a peripheral edge thereof and a securing ring connected to the cylinder and having a boss to be received in the cutout. The cutout has two ...
04/08/2008
7302790Adjustable spindle assembly for a grass trimmer
An adjustable spindle assembly comprising a spindle housing, a keyed spindle shaft rotatably connected to the spindle housing, a mow ball rotatably connected to one end of the keyed spindle shaft, and a string carrier assembly adjustably connected in between the spi...
12/04/2007
7204466Quick-acting telescopic tube
A quick-acting telescopic tube has a stationary tube, a detent lining, an extension tube, a lock activating assembly, a bottom plug, an activating rod, a spring and a ball. The detent lining is mounted securely in the stationary tube and has multiple detents. The ex...
04/17/2007
7195215Suspension arm
A suspension arm comprising a rising/descending device further consists of an inner sleeve; a retractable shaft and an elastic body inside, an outer sleeve connect to the inner sleeve, a clip ring on the top open of the outer sleeve. The outer sleeve can revolve on ...
03/27/2007
7188819Object-support column
Object-support column includes an end unit, a guide tube which has a nominal diameter, and end having an end diameter which is smaller than the nominal diameter, and a transition-length portion extending from the nominal diameter to the end diameter, the end being c...
03/13/2007
7185867Vehicle seat suspension and method
A vehicle seat suspension that includes a suspension cartridge which houses suspension components that includes one or more of the following: one or more biasing elements, a suspension arm arrangement, a damper arrangement, a height adjust assembly, and a weight adj...
03/06/2007
7147216Damper, especially for movable furniture parts
A damper has a cylinder and a piston, the piston having two or more parts. A first piston part is made of a rubber-elastic material forced against the cylinder wall during a damping stroke. A second piston part is made of a material that is stiffer in comparison to ...
12/12/2006
7059106Adjustable spindle assembly for a grass trimmer
An adjustable spindle assembly is described and includes a spindle housing, a grooved spindle shaft rotatably connected to the spindle housing, a pulley connected to one end of the grooved spindle shaft, a mow ball rotatably connected to a second end of the grooved ...
06/13/2006
6942073On/off damper for bikes
An activation device for a damper includes a stopping tube adapted to be securely received in the piston rod and having grooves defined in a peripheral edge of the stopping tube and first teeth formed on the peripheral edge of the stopping tube, a driving tube adapt...
09/13/2005
6102354Long stroke, linear energy management unit
A device for cushioning shocks is provided. A relatively unstable, collapsible elastomeric member which has guides integrally formed thereon, is surrounded by a guide sleeve which provides controlled deflection as well as damping for the elastomeric membe...
08/15/2000
6056251Adjustable-height column with depth spring action
Adjustable-height column, especially for chairs, includes a guide tube and a pneumatic, selectively blockable piston-cylinder unit for height adjustment located in the guide tube. The piston sealingly subdivides the cylinder into two operational chambers....
05/02/2000
5833322Gas cylinder
A gas cylinder with an outer steel tube which has its lower end of a smaller diameter. Into the upper end of the tube a plastic bushing provided with longitudinal radial ribs is inserted under pressure. This bushing has two annular reinforcing portions se...
11/10/1998
5451024Height adjusting mechanism for a swivel chair
An improved height adjusting mechanism for a swivel chair is equipped with a separable positioning ring block assembly including a ring block piece and an arc limiting piece that can be put together into a ring form. A screw shaft having an elongated groo...
09/19/1995
5342012Height adjusting mechanism for swivel chair
A height adjusting mechanism for a swivel chair prevents a tightening phenomenon and involuntary adjustment of the position. The mechanism includes a supporting pillar pipe and a cylinder pipe coupled so that they can freely extend and contract relative t...
08/30/1994
5169112Electronic suspension vehicle seat
A sprung seat suspension comprising a base frame; a seat carrier frame including height sensor assembly; linkage mounted on the base frame and operative to adjustably, vertically support the seat carrier frame with respect to the base frame and including ...
12/08/1992
5058852Vehicle seat which is adjustable in height and with automatic weight adjustment
A vehicle seat which is adjustable in height and which affords automatic adjustment to the seat occupant weight comprises a gas spring between a seat frame and a base frame, a valve arrangement actuable by an actuating element to adjust the pressure in th...
10/22/1991
4903930Chair height adjustment mechanism
This chair height adjustment mechanism has a tubular housing fixed to the chair base, with vertically-spaced bearings providing lateral support for a threaded spindle secured to the chair seat. The upper bearing permits the spindle to move axially, and a ...
02/27/1990
4886647Supporting apparatus for semiconductor crystal rod
A supporting apparatus for a semiconductor noncrystal rod comprises a movable ring adapted to move freely in horizontal directions unless it is engaged with the monocrystal rod, a lock means to prevent the movable ring from horizontally moving, and a driv...
12/12/1989
4872635Slip connector for weight actuated height adjustors
A slip connector is provided for swivel chairs, and other similar seating, of the type having a base, a seat rotatably supported thereon, and a weight actuated height adjustor, which engages when the seat is unoccupied to facilitate adjusting the seat hei...
10/10/1989
4828212Means for adjusting the vertical height of the seat of a chair
This invention relates to a collet assembly for adjusting the height of a seat supported by a threaded seat-support spindle. The collet assembly comprises a resilient threaded collet sleeve having slits extending from the base of its threaded core to form...
05/09/1989
4720071Split nut mechanical height adjusting mechanism for chair
A load-released height-adjusting mechanism coacting between the relatively rotatable spindle and pedestal of a chair. The mechanism employs a split nut threadably engaged with the pedestal. A wedge is continuously spring-urged into engagement with the nut...
01/19/1988
4709894Slip connector for weight actuated height adjustors
A slip connector is provided for swivel chairs, and other similar seating, of the type having a base, a seat rotatably supported thereon, and a weight actuated height adjustor, which engages when the seat is unoccupied to facilitate adjusting the seat hei...
12/01/1987
4693442Variable length columns
A variable length support column for mounting a seat on a base to form a variable height seat comprises an elongate tube and a rod longitudinally slideable together or apart to shorten or to extend the column; a spring acting indirectly between the first tube ...
09/15/1987
4598892Mechanical chair-height control mechanism
A chair having a threaded spindle connected to the chair seat and projecting downwardly therefrom and being rotatably supported within the pedestal of a base. A load-released height-adjusting mechanism coacts between the pedestal and the spindle and inclu...
07/08/1986
4540148Chair height adjustment mechanism
A chair height mechanism in which a threaded nut (30) is threaded onto a threaded spindle (16) and a hub tube (18) supports the spindle through a clutch comprising a locking tube (34) secured to the nut (30) and having lower tapered portion (36), and a cy...
09/10/1985
4494721Seat adjustment mechanism for a chair
A seat adjustment mechanism for adjustably connecting a seat to a chair base is provided wherein a threaded spindle is secured to the seat and rotatably and axially movably received within a column member extending upwardly from the chair base. An adjusti...
01/22/1985
4479627Chair height adjustment mechanism
A chair height adjustment mechanism selectively positions a seat section relative to a base and is situated between a barrel attached to the chair base and a threaded spindle extending downwardly from the seat section and telescopically received within th...
10/30/1984
4440372Bellows mounting arrangement for swivel chair
An extendible and contractible boot is disposed in surrounding relationship to the spindle assembly of a chair. The lower end of the boot is anchored to the pedestal associated with the chair base. The upper end of the boot is supported on the seat assemb...
04/03/1984
4394001Height-adjusting mechanism for chair seat
A threaded spindle as fixed to the chair seat is engaged with a nut positioned within the upper end of the base pedestal. A spring urges the nut for engagement with a clutch plate fixed to the pedestal. This clutch plate holds the nut nonrotatable so that...
07/19/1983
4379540Adjustable support devices for swivel chairs
An adjustable support device for a swivel chair, comprises a swivel tube supported from a vertical rotatable screw by a nut. When the chair is unoccupied a spring-loaded friction clutch responsive to the weight acting on the screw restrains the screw agai...
04/12/1983
4324382Height adjustable chair base
The specification discloses a compact, easy to assemble, height adjustable chair base in which a column telescopically received within a hub tube includes a spring and nut assembly located within the bottom of the column and carried on a threaded post fix...
04/13/1982
4315613Mechanical height adjustment mechanism for chairs
A spindle assembly for a chair or the like includes an outer tube tapered to fit in a chair base, an inner tube having an upper end tapered to fit the chair control, and a bushing near the upper end of the outer tube to guidingly receive the inner tube th...
02/16/1982
4285488Height adjusting mechanism for a swivel chair
A swivel chair having a main screw connected to the chair seat and rotatably supported in a mounting assembly on the chair base enabling rotation of the seat relative to the base without varying the height of the seat. Height adjusting apparatus provides ...
08/25/1981
4261540Height adjustable chair base
A rotatable and vertically adjustable chair base is disclosed comprising a floor engaging stand, an upstanding tubular post mounted on the stand, a threaded member received by the tubular post and a smooth spindle slidably and rotatably received by the up...
04/14/1981
4234152Seats for children
A child's seat includes a base structure having a central helical screw. A seat is mounted on a shaft for upward movement without rotation. Thereafter, the seat can only fall while rotating due to engagement of teeth respectively on a nut and on the shaft...
11/18/1980
4026509Adjustable standard for swivel chair
A supporting spindle for a chair is disclosed which can be shifted from a mode in which the height of the seat is adjusted by rotating the seat while the seat is occupied to a mode in which the seat can be rotated in either direction without effecting any...
05/31/1977
3991965Chair height adjusting mechanism
A chair seat support apparatus includes a base column internally housing means automatically operable only when the chair seat is unoccupied to allow vertical altering of the height of the seat upon rotation thereof. A screw post is journalled within the ...
11/16/1976
 
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