Matches 1 - 39 out of 39


Match Document Document Title
8038330 Movable multi-directional light stand  
A movable multi-directional light stand is revealed. The movable multi-directional light stand includes a retractable top support rod that can be received into and connected with a hollow middle...
7658359 Load compensator for height adjustable table  
A force adjustment assembly for use within a telescoping subassembly that includes a first elongated member and a second elongated member that is supported by the first elongated member for sliding...
6612534 Stand assembly having anti-rotation feature  
A microphone stand assembly includes an automatically operated anti-rotation arrangement for preventing inadvertent disengagement of the shaft from the base.
6502791 Light duty adjustable pipe support assembly  
An improved light duty easily adjustable pipe support assembly having a flat base, cushion pad, and free turning adjustment rods. Each adjustment rod has an adjustment knob with friction locking...
6283420 Fine position adjustment for optical receiver or other sensor  
An adjustable support for a sensor has a first support defining a first end and a second end. A first clamp is fixedly coupled to the first support between the first and second and thereof. The...
6131870 Height adjusting apparatus with intermeshing bevel gears  
A height adjusting apparatus includes a vertical outer tube that is adapted to be fixed on the base, and a vertical inner tube that is adapted to be fixed on the working table and that is mounted...
5944272 Bobbin core holder for a bobbin creel  
A bobbin core holder for a bobbin creel. The bobbin core holder includes a sleeve body securable on a creel rod, on which sleeve body a ring socket is fitted so as to be rotatable into at least one...
5857657 Stand for medical instruments  
In a stand for medical instruments according to the present invention, a first coefficient of friction adapted between an outer circumferential surface of a sliding column and an inner...
5738326 Seat stem positioning structure of a chair for drummer  
A seat stem positioning structure for a chair for drummer, including an internally threaded seat stem connector shaped like a stepped tube and fastened to a tubular central shaft and equipped with...
5615855 Telescoping mast with integral payload  
In an integrated telescoping mast-payload assembly, the payload forms the top telescoping section.
5497966 Column unit, in particular a chair column unit  
A column unit, in particular a chair column unit, including a base tube (310) and a pneumatic spring (318), further comprises an axially movable guide bushing (314) which is inserted in an axially...
5088421 Adjustable height desk  
An adjustable height desk including an open-front base and an outer skirting disposed over and around the base. Corner support brackets secured to the skirting below the work surface support...
5031869 Control assembly for chair height adjustment  
A displacement control assembly includes a rotatable lead screw longitudinally extending within a tubular column supporting the assembly. A nut is threaded to the screw for relative axial...
4750701 Chair height adjustment mechanism  
A control assembly for adjustable displacement of a chair seat or the like comprises a lead screw threaded to a nut for relative longitudinal movement in order to adjust the height of the chair...
4728072 Height adjustment apparatus  
A mechanical height adjustment apparatus having a tubular telescopic body portion powered by a spring-loaded nut on a tubular threaded shaft and in which the same spring means acts to close a...
4627602 Mechanical lifting device  
A mechanical lifting device, preferably for a chair seat, comprising two reciprocally telescoping parts, one of which is attached to a chair support, whereas the other part is attached to the chair...
4601454 Telescopic supporting post  
A telescopic supporting post (10) comprises two mutually displaceable telescope members (11, 12), each comprising an inner tubular portion (15, 17) of small diameter and an outer tubular portion...
4493469 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, an upper mounting assembly...
4285488 Height 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...
4257582 Support column of adjustable length  
A pneumatic spring of the piston-and-cylinder type constitutes a support column whose length may be adjusted when a valve connects the two cylinder compartments on opposite sides of the piston. The...
4087070 Swivel chair with non-keywayed main screw  
A swivel chair having a non-keywayed main screw rotatably connecting the chair seat and a supporting base to enable rotational movement of the seat with respect to the base. The top portion of the...
4087071 Chair height limit stop  
Limit stop means for limiting vertical height adjustment of a swivel chair support comprising a spindle, a fixture on one end of the spindle for connection to a chair seat, the upper end of the...
3870270 FULLY ENCLOSED, ADJUSTABLE, SUPPORT COLUMN FOR A PIVOTAL CHAIR  
A support column for a pivotal chair. The support column may be fully enclosed and yet permit selective adjustability in the height of the seat section above a base portion merely by rotation of...
3799485 HEIGHT ADJUSTING MECHANISM  
The height-adjusting mechanism includes a threaded spindle rotatably mounted in a chair base, a nut threaded on the spindle and a seat-supporting column telescopically mounted in the base and...
3799486 HEIGHT ADJUSTING MECHANISM  
The height adjusting mechanism includes a threaded spindle rotatably mounted in a chair base and a seat supporting column telescopically mounted in the base and operably threadably mounted on the...
3778014 CHAIR BASE SWIVEL ARRANGEMENT  
A chair base swivel arrangement comprising a tubular member supported in upright position from a chair base and carrying at its upper end an axially split O-shaped bearing element of antifriction...
3727871 SEAT-HEIGHT ADJUSTMENT DEVICE  
A seat-height adjustment device for a swivel chair including a clutch and upper and lower telescoping tubes. The tubes receive and cover the threaded spindle, hollow post, and bell nut of the...
3707930 POWER OPERATED PEDESTAL TABLE AND SAFETY CLUTCH THEREFOR  
A power-operated pedestal table having an extendable column for selectively varying the elevation of the table top. The column includes a pair of telescoping sections which are expanded and...
3642244 HEIGHT ADJUSTMENT MECHANISM FOR SWIVEL CHAIRS  
A support portion includes a sleeve having slots formed therethrough for gaining access to the interior of the sleeve. A threaded screw portion has the upper end thereof interconnected with a seat...
3592434 PROJECTION SCREEN APPARATUS  
This invention is a projection screen apparatus basically comprising a telescoping adjustable mast, and a bracket arrangement for adjustably securing the screen to the mast. Vertical adjustment of...
3606234 RELEASABLE SWIVEL CHAIR SUPPORT CONSTRUCTION  
3386697 Rotatable chair height-adjustment mechanism  
3227113 Locking mechanism  
3100624 Adjustable pedestal for elevated sectional floors  
3086744 Floating locking device for chairs  
3084911 Anti-vibration lock for pedestal heads  
2987110 Adjustment locking device for chair base  
2937690 Vehicle saddle clamps  
2812799 Height adjusting support for swivel chairs  
Matches 1 - 39 out of 39