|Publication number||US2473218 A|
|Publication date||Jun 14, 1949|
|Filing date||Jul 17, 1945|
|Priority date||Jul 17, 1945|
|Publication number||US 2473218 A, US 2473218A, US-A-2473218, US2473218 A, US2473218A|
|Inventors||Reichenbach Howard F|
|Original Assignee||Chase Brass & Copper Co|
|Export Citation||BiBTeX, EndNote, RefMan|
|Patent Citations (5), Referenced by (10), Classifications (5)|
|External Links: USPTO, USPTO Assignment, Espacenet|
June 14, 1949. H. F. RElcHENBAcl-l TELEscoPIN LAMP. sanlmDARDv Filed July 1'7, 1945 ,fly
, INVENTOR HOWARD P. REICHENAcm ATTO Patented June 14, 1949 TELESCOPING LAMP STANDARD Howard F. Reichenbach, Waterbury, Conn., assignor to Chase Brass & Copper Co. Incorporated, Waterbury, Conn., a corporation Application July 17, 1945, Serial No. 605,493
1 claim. 1
This invention relates to improvements in telescoping lamp-standards.
One object of this invention is to provide an improved telescoping lamp-standard having a plurality of telescoping sections which permit adjustment in increments equal to the length of a given section.
Another object of thisl invention is to provide an improved telescoping lamp-standard formed of simple elements readily manufactured and readily assembled to produce a durable and I attractive construction at moderate cost.
With the above and other objects in view, as will appear to those skilled in the art from the present disclosure, this invention includes all features in the said disclosure which are novel over the prior art.
In the description and claim, the various parts and steps are identified by specic terms for convenience, but they are intended to be as generic in their application as the prior art will permit.
In the accompanying drawings forming part of the present disclosure, in which one way of carrying out the invention is shown for illustrative purposes:
Fig. 1 is a front elevation illustrating one embodiment of a telescoping lamp-standard made in accordince with the present invention;
Fig. 2 is a fragmental central vertical sectional View on line 2-2 of Fig. 1;
Fig. 3 is a fragmental Vertical sectional View on line 3-3 of Fig. 1;
Fig. 4 is a front elevation of the lamp illustrated in Fig. 1, with the shade removed and with the lamp-standard telescoped or collapsed to maximum degree; and
Fig. 5 is a fragmental vertical central sectional view on line 5-5 of Fig. 4, with the electric socket which is shown at the upper end of Fig. 4, omitted.
Referring to the drawings showing the particular form of the invention chosen for illustration therein, the lamp I includes a base I I, the three telescoping tubular sections I2, I3 and I4, an electric lamp-socket I and a shade I Ii.
The tubular section I2 can be connected by a screw-threaded connection I1 or otherwise, to the base II, and at its upper end has an inwardly-facing annular flange I8 providing an interior downwardly-facing clamping-abutment I9, and an upwardly-facing clamping-abutment 20.
The tubular section I3 has at its lower end, an outwardly-extending annular flange 2| freely slidable longitudinally within the main diameter or opening 22 of the tubular section I2, which flange 2| has an interior upwardly-facing clamping-abutment 23 which is adapted to engage against the interior downwardly-facing clamping-abutment I9 of the tubular section I2 when the tubular sections I2 and I3 are in fully-extended relation with one another, as illustrated most clearly in Fig. 3.
The tubular section I3 is also provided near its lower end with an external screw-threaded area 24 above the annular flange 2i adapted to be screw-threadedly engaged by an annular screw-threaded clamping-ring or nut 25 Iwhen the latter is rotated in proper direction to thereby force the clamping-ring 25 against the upwardly-facing clamping-abutment 2D, to thus force the two interior clamping-abutments I9 and 23 against each other, and to hold them rmly clamped together.
The tubular section I3 at its upper end is provided with an inwardly-extending annular ange 26 providing an interior downwardlyfacing clamping-abutment 21 adapted to engage against an interior upwardly-facing clampingabutment 28 provided by the annular outwardlyextending flange 29 at the lower end of the tubular section I 4. An annular clamping-ring or nut 30 screW-threadedly engaging the screwthreaded area 3I on the outside of the lower portion of the tubular section I4 above the flange 23, permits of similarly forcing the clampingring 3i) against the upwardly-facing clampingabutment 32 on the upper end of the section I3, to thus force the two interior clamping-abutments 21 and 28 against each other.
The tubular section I4 is provided on its upper end (Fig. 5), with an internally-screw-threaded portion 33 adapted to screw-threadedly engage the screw-threaded portion 34 in the annular slot 35 of the annular nut 36. A threaded nipple 31 threads into a threaded hole or opening -38 in the nut 36 to provide connection with the electric lamp-socket I5 (Fig. 4)
Lamps made in accordance with the present invention may be formed with two or more telescoping sections, and may be used as either floor lamps or table lamps. Where the lamp-standard consists of a number of sections which in their fully-extended length are of sufficient length for a floor lamp, if it be desired to employ the lamp for a table lamp, then certain of the telescoping sections can be collapsed or telescoped to thus provide a shorter lamp for use as a table lamp.
For shipping purposes, ordinarily thelamp-shade will be removed and the remainder of the lamp will be collapsed to its full maximum condition such, for example, as is illustrated in Fig. 4 This collapsing or telescoping of the tubular sections is accomplished merely by unscrewing the clamping-rings 25 and 30 to release the threaded portions of the sections i3 and I gl whereby the tubular sections' l3'and M carifbe pushed downlward to full collapsed condition, as Aillustrated in Fig. 4. When it is desired to change the larrlp from its knocked-down or collapsed condition "as illustrated in Fig. 4, to the fully,exterigiel,1,p osif tion illustrated in Fig. 1, it is merely necessary to pull out the tubular sections Yinto fully-'extended pdsition, as illustrated i'riFigs. 1, 2`.`an,d3`,"`and rotate the clamping-rings 25 andi30i13'o`rmly clamp the tubular sections in rthe`thus-extended. position, after which the lamp-shade Canbeatf tached to the electric socket, as is well k'ri'own."`
A telescoping lamp-standard including: a lampfbase; afst tubiiiarrseti-on connected to said :lamp-base 'and 'having in the interior of its upper end, an interior downwardlyi'facing 'clamping'iabut'ment.' and" having onl its`V upp'er end-*p0rtion, an 'upward 1y-facingiclanipngabutment';` a second tubular sectioitelescopable .i'ri said rst nniernlcver axially of said first tubular section and )against said upwardly-facing clamping-abutment and thus force and lock the said two interior clamping-abutments againstl each other.
ItEiSERENCEs CITED The followingreferences are of record in the file 'fthis patent:
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|U.S. Classification||248/411, 362/413|