US388218A

US388218A - William patzer

Info

Publication number: US388218A
Authority: US
Publication date: 1888-08-21
Anticipated expiration: 1905-08-21

Description

(No Model.)

W. PATZBR.

LAMP STANDARD.

Patented Aug UNITED STATES PATENT OFFICE.

VILLIAM PATZER, CF MERIDEN, CONNECTICUT, ASSIGNCR T() THE MERIDEN VBRONZE COMPANY, OF SAME PLACE.

LAMP-STANDARD.

SPECIFICATION forming part of Letters Patent No. 388,218, dated August 21, 1888. Application filed July 1l` 1F97. Serial No. 213934.? (No model.)

To all whom it may concern:

Beit known that I, WILLIAM PATZER., of Meridemin the county ol'New Haven and State of Connecticut, have invented new Improve 5 ments in Lamp-Standards; and Ido hereby deelare the following, when taken in connection with accompanying drawings and the letters of reference marked thereon, to be afull,elear, and exact description of the same, and which 1o said drawings constitute part of this specification, and represent, in-

Figure 1, a side View of the lamp and standard complete; Fig. 2,a vertical central section through the tubes,showing side View of the adjusting devices enlarged; Fig. 3, a transverse section through the adjusting devices on line w x, looking downward; Fig. 4, a modification of the adjusting device for suspending lamps.

This invention relates to an improvement in 2o standards for that class of lamps which are adapted to stand upon the floor and movable thereon to different positions, and what are new commonly called piano-lamps7 the standard being of a height from the door so as to bring the lamp up to a convenient position for piano use. These standards are generally made adjustable,so that the lamp may be set at different elevations,and to make them so adjustable the standard is made of a telescopic 3o eharaeter,the stationary portieri of which rises from the base, and the adjustable portion in the form of a tube supports the lamp. It is desirable that when the lamp has been brought to a desired elevation it may remai n firm in that position and not liable to descend by its own weight or under downward force applied by a person taking hold ot' the upper part of the standard, and yet it is equally desirable that when the lamp is to be adjusted to different ,to elevations it may be freely moved up or down,

as the case may be. To permit such adjustment is the object of my invention.

A represents the base, which may be of any suitable style or design, and to it is firmly fixed a vertical upright, l3,which is preferably square in transverse section.

C represents a tube,to the upper end of which the lamp is made fast in vthe usual manner. This tube C surrounds the upright B, and is of 5o a diameter considerably larger than the upright B. At the lower end of the tube C a collar, D, is introduced, made fast to the tube to embrace the upright B, but so as to slide freely thereon. To this collar, or to the tube itself on one side of the upright, is a vertical shoe, E, adapted to bear vertically on one side of the upright. Upon the opposite side of the upright is a similar shoe, F; but this shoe Fis free to move up or down, as the case may be. rFhe two shoes E F are connected by one or 6o more links, G, the links being hung by one end to the shoe E, and, extending diagonally across and upward,are hung by their other end to the shoe F.

Beneath the shoe F is a springJ', the tend 65 ency of which is to force the shoe F upward, and in such upward movement the links bring the two shoes to a firm bearing upon the oppo site sides of the upright. The shoe F clings to the surface of the upright by its friction, and 7o so that as the weight of the lamp and the tube C tends to force the shoe E downward, such downward force draws the end ofthe links hung to the shoe E also downward; but the shoe F,elinging to the opposite side of the upright, prevents that end ot the links from descending,so that the shoes are drawn tightly toward each other and clamp the opposite sides of the upright, and so as to firmly hold the adjustable portion of the standard atany point where 8o the standard is so grasped between the two shoes, and any extra force applied to the adjustable part of the standard tending to force the said adjustable part downward only tends to make the grasp between the two shoes upon the standard stronger. If the shoe F be forced downward, as indicated in broken lines, while the tube C is held stationary,then the grasp of the upright between the two shoes is relaxed, and while the shoes are in this condition the 9o tube may be raised or lowered to anydesirable extent. To produce this release of the grasp, an extensioml, is made from the shoe upward and outward through the tube C at a c0nvenient point in the form of a knob or any suitable handle, J, so that by pressing the handle downward, as indicated in broken lines, Fig.

2, the shoe F will be forced downward, and so as to release the grasp upon the upright, and while the grasp is so released the standard loo may be raised or lowered, as the case may be; but when the shoe F is again left free its spring throws it forward into frctional bearing upon the upright and thc grasp thereon is again made and thc adjustable portion ofthe standard brought to a stop.

Ajaeket to inelose the upright and sliding tube is made in the forni of a tube, K, fixed at its lower end to the base and, extending upward, terminates in an ornamental collar, Il, through which the adjustable tube C works freely.

The adjusting device which I have described is extremely cheap and simple, but yet most effective.

Vhile the adjustment is peculiarly adapted to standard lamps it may bc applied to hanging lamps, as seen in Fiff. 4, in which case the inclination ofthe links is reversed, so that as the adjustable part of the lube is pulled down ward it will bring,r the shoes into raspingn contact upon the fixed upright.

I claim- 1. In an adjustable lamp standard, the coinbination of a stationary upright, l. a lube, (l, surrounding said upright. and carrying the lamp,aud having a collar, D, at its inner end, the said surrounding;` tube movable longitudinally on said upright, a shoe, E, fixed to said collar and so as to bear upon one side of' said upright,a shoe, F, upon the opposite side ofsaid upright, but free for limited vertical uiovenicnt,diagonal1inksG,conneetingthetixedshoe l l on one side of the upright with the movable shoe Fon the opposite sido of saiduprighaand a spring supported by said collarand arranged to bear yieldingly in a vertical direction upon said niovablesuoe It`,s11bstantiallyas described.

2. In an adjustable lamp-standard,thc com bination of a stationary upright, B, a tube,C, surrounding said upright and carrying the lamp and having the collar Don its inner end, the said surrounding tube movable longitudinally on said upright, a shoe, ll, xed to said collar and so as to bear upon one side of said upright, a shoe, F, upon the opposite side ot' said upright, but free for limited vertical movenu'rnt, diagonal links G, connecting the fixed shoe Il en one side of the upright with the movable shoe F on the opposite side of said upright, and a spring supported by said collar and arranged to bear vieldingly in a vcr tical direi-tion upon said movable shoe F, with ajacket Iixed to the base and surrounding the lower part of said tube wil h a connection from Said movable shoe Fto a point in the said tube above the said jacket, substantially as de scribed.

W IIiTlI H PA'IZEH. Vit nesses:

E. A. Mnnuiufix, II. IE. ALLnN.