US118730A - Improvement in weather-strips for doors - Google Patents

Description

L. W. LAWLESS.

Improvement in Weather-Strip for Doors.

Patented sep. 5.1871.

No. no,73o.

'JNITED STATES PATENT OFFICE.

IMPROVEMENT IN WEATHER-STRIPS FOR DOORS.

Specification forming part of Letters Patent No. 118,730, dated September 5, 1871.

To all whom t may concern:

Be itknown that 1, LEvI M. LAwLEss, of Geneseo, in the county of Henry and State of Illinois, have invented certain new and useful Improvements in VVeathenStrips for Doors; and do hereby declare that the following is a full, clear, and exact description thereof, reference being had to the accompanying drawing making a part of this specification, in which- Figure 1 is a front elevation of my device as applied to a door. Fig. 2 is an elevation of the Vrear side of the same detached. Figs. 3 and 4 are side elevations and edge views, respectively, of the operating-lever and of the slide for closing down upon the door-sill5 and Fig. 5 is a horizontal section of the door-post on the line of Fig. l.

Letters of like name and kind refer to like parts in each of the figures.

My invention belongs to a class of devices having for its object the closing of the usual opening' between the lower end of a door and its sill, so as to prevent the passage of rain, snow, and air throug'h the same; and it consists in the pe` culiar construction and combination of the operating devices, by means of which the slide is caused to move vertically downward upon or against the door-sill, substantially as and for the purpose hereinafter specified.

In the annexed drawing, A represents the casing of the device, constructed of sheet metal in the form shown in Figs. l and 2, and attached to or upon the outer side of the door B at its lower edge. The outer portion of said casing extends outward from the face ofthe door to a sufficient distance to permit the operating devices to be contained between its wall and said door, and from thence extends vertically downward, so as to inclose said devices. At its rear side and at its longitudinal center a sectional wall, C, extends vertically downward from and upon a line with the corresponding face of said casing, and forms a housing for and a bearing within which the operating' devices a-re pivoted. D and E represent two bars of metal, which correspond in length and breadth, and are pivoted together at one end, as seen in Fig. 2. The front bar E has a right-e ngled notch, e, formed within its upper outer corner, while the inner bar or lever I) has a similar, but sm aller, notch, d, formed within its outer lower corner, and has the metal immediately above the same offset, so as to cause it to pass into said notch c and bring the end d! in a line with the corresponding end e of the lever E. A wedge-shaped opening', F, formed within each lever contains a spring, j', which bears equally upon each lever, so as to hold them in their coincidence, except when purposely pressed together or apart, in which event said spring is compressed, and upon releasing said levers returns them to their former relative positions.

As thus constructed and combined, the levers are placed within the casing and connected therewith by means of a screw, G, which passes horizontally through the walls A and C and through said lever E, and forms an axial bearing for the same. A semicircular notch, g, cut within the corresponding portion ofthe lever D, permits the passage of said screw Gr without its coming into contact with said lever. If, now, the outer ends of the levers D and E are pressed apart, the former will move downward until it rests upon the doorsill, while the second lever E, passing upward and operating upon its central pivot G, will have its opposite end depressed, and correspondingly move downward the contiguous end of said lever D until the latter is caused to rest' upon said door-sill, so that by properly adjusting the relative movements ofthe outer ends of said levers the lower edge of the lever D will be caused to maintain its horizontal position and impinge upon the door-sill along' its entire length at the same instant. A wedge-shaped lug, H, secured upon the door-frame in such position as that, when the door is closed, the ends of the lever shall pass above and beneath the same, and thereby be separated, completes the device, the operation of which has already been sufficiently explained.

The especial advantages obtained by this device arc: First, the closingstrip is entirely contained within its casing until the door is nearly closed, by reason of which less liability exists of injury to said part while the door is open. Second, by being' contained within its casing until the door nearly strikes against its jamb b and then moving vertically downward, no possibility exits of the catching of said closing-strip upon the sill in its passage over the same, as is frequently the case in ordinary devices used for a like purpose.

Having thus fully set forth the nature and merits of my invention, what I claim as new is- 1.. TheleversD endE, constructed asdeseribed, the spring f, and. the lug H, substantially as andl and pivoted together and to the easing A, in eoinfor the purpose shown. binzttion with the lug H, substantially as and for In testimony that I claim the foregoing I have the purpose specified. hereunto set my hand this 11th day of July, 1871. 2. In combination with e door and its frame, Witnesses: LEVI M. LAWLESS. the hereinbefore-deseribed device, consisting of GEO. A. BROWN,

the easing A and C, the pivoted levers D and E, HENRY BRUSH.

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