|Publication number||US1171736 A|
|Publication date||Feb 15, 1916|
|Filing date||Apr 11, 1913|
|Priority date||Apr 11, 1913|
|Publication number||US 1171736 A, US 1171736A, US-A-1171736, US1171736 A, US1171736A|
|Inventors||William H Mcclanahan|
|Original Assignee||William H Mcclanahan|
|Export Citation||BiBTeX, EndNote, RefMan|
|Referenced by (6), Classifications (2)|
|External Links: USPTO, USPTO Assignment, Espacenet|
W. H. McCLANAHAN. 1
APPLICATION HLED APR.1I. 1913,.
Patented Feb. 15,1916.
' v INVENT OR ;%T/% a n? WITNESSES kHB COLUMBIA PLANOGRAPH C WILLIAM H. MCCLANAHAN, or oRorHERsvILLE, INDIANA. v
Specification of Letters Patent. 'Pafnted'F b 15 1916.
Application filed April 11, 1913. .7 Serial No. 760,400.
To all whom it may concern Be it known that I, WILLIAM MoCLAN- AHAN, a citizen of the United States, residing at Crothersville, in the county of J ackson and State of Indiana, have invented new and useful Improvements in Sash-Locks, of which the following is a specification. V
This invention relates to window sash locks and more particularly to that class of window sash locks wherein sliding bolts are used.
ternately engage the upperand lower sashes to securely hold them in any adjusted positions, and one which is adapted to be used on windows which are not provided with sash cords and weights but it may be used on any type of window if it is so desired.
Another object of this invention is to provide a window sash lock of this nature which owing to its extreme simplicity of construction and operation will be a decided improvement over locks of this type now in use.
The majority of this type of sash locks now in use are actuated by fiat springs which cause projections thereon to engage teeth or serrations on either the sash or the window frame, while in some instances, the windows equipped with this type of latch are easily raised, it occasions considerable trouble and exertion to lower them. In others, the springs are made so strong, to lengthen their period of usefulness, that it is next to impossible for a lady or otherthan a very strong person to actuate them. It is an object of this invention to eliminate all of these difficulties and provide a sash lock which any one can operate with comparative ease and little exertion.
With the above and other objects in view, this invention consists essentially in the provision of two bolts mounted in sleeves, which sleeves are in turn mounted in the window frame or casing and in such a manner that one of the bolts will engage the upper sash while the other will engage the lower, a key with eccentrically mounted members therein adapted to engage projections on the bolts and springs seated in the sleeves to surround the bolts-for securely'holding the bolts in the respective sashes.
In describing the invention in detail, reference will be had to the accompanying drawings wherein like characters designate The object of this invention is the pro-1 vision of a window sash lock which will allike or corresponding parts in the several views, and in which j Figure 1 is an elevation view of a part of a window showing the sash lock applied] thereto.
Fig. 2 is a fragmentary inner face view of one slde of the-window caslng with the sashes. removed, showing the relative position of the locking bolts. Fig. 3 is a view of the sash locking meanswhen removed from the window casing. Fig. 4 is a detail view of the sleeve and bolt. Fig. 5 isa sectional view through the sleeve showing the bolt in elevation, and Fig. 6 is a detail View of the end of the key which actuates the bolt.
In referring more particularly to the drawings, 1 designates the window frame or casing and 2 and 3' the'upper and lower sashesrespectively. The sash ,2 travels in the recess 4 of the frame 1 and the sash 3 in the recess 5. Mounted in an opening 6, which opening communicates with the recess 4 in the casing 1, is a sleeve 7 This sleeve 7 is made of a piece of sheet metal rolled to form a cylinder having the sides 8 and 9 left a short distance apart so as to form a passageway'for the projection 10 on the bolt 11. Securely fastened in oneend of the sleeve 7 is a washer 12, through which the bolt 11 passes. The end 13 on the bolt 11 is upset as is clearly shown at 14 to prevent the bolt 11 from being forced entirely out of the sleeve 7 by means of the spring 15. This spring 15 is seated in the sleeve 7 around the bolt 11 and is held in place by the washer 12 and the projection 10 and tends to hold the bolt 11 securely in the recess (not shown) in the sash 2.
A sleeve 20, identical in construction with the sleeve 7, is mounted in an opening. 21
' communicating with the recess 5 in thewindow frame 1. A bolt 22 having projections 23 thereon and beingthe exact counterpart of the bolt 11 and projection 10 is mounted in the sleeve 20 as is also a spring and washer which correspond with the spring 15 and the washer 12 respectively both in construction and purpose.
A key 25 having a handle or head portion 26 is inserted in an opening (not shown) in the window frame. 1. This opening is. so placed thatwhen the key is inserted therein, the cut-out portions 27 and 28 in the end 29 of the key 25 will assume the position as shown in Fig. 3 of the drawings, with relation to'the bolts 11 and 22. These cut-out portions 27 and QSare so arranged that the remaining parts 30 and 31 of the key 25, are
eccentrically disposed With relation toeach other, and so arranged that when the part 30 engages the projection 23' on the bolt 22, the part 31 of the key 25 will not be in engagement with the projection 10 .of the bolt 11 and vice versa. 'This forms a means for alternately operating the bolts and securing the Window sashes 2 and 8 in adjusted positions so that when the upper sash 2 is encopies of this patent: mayr be obtained for five cents each, by addressing the Commissioner of Patents,
with recessed portions spaced longitudinally thereof and bolt-engaging portions on said i key at the formation of the recesses therein, sald bolt-engagingportions d1sposedeccentrically to the of said key and out of 3() bolts are alternately Withdrawn "from locking position by'the engagement thereof With alinement With each other whereby said said bolt-en gaging portions.
lVitnesses 1' WILLIAM T; CUTSHAW, J A. SAIFRES; 7
Washington, D. 0a
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