US133207A - Improvement in movable thresholds - Google Patents
Improvement in movable thresholds Download PDFInfo
- Publication number
- US133207A US133207A US133207DA US133207A US 133207 A US133207 A US 133207A US 133207D A US133207D A US 133207DA US 133207 A US133207 A US 133207A
- Authority
- US
- United States
- Prior art keywords
- threshold
- door
- lever
- improvement
- thresholds
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 238000010276 construction Methods 0.000 description 2
- 230000000630 rising effect Effects 0.000 description 2
- 235000014787 Vitis vinifera Nutrition 0.000 description 1
- 240000006365 Vitis vinifera Species 0.000 description 1
- 229910000754 Wrought iron Inorganic materials 0.000 description 1
- 230000003028 elevating effect Effects 0.000 description 1
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
- E06B7/00—Special arrangements or measures in connection with doors or windows
- E06B7/16—Sealing arrangements on wings or parts co-operating with the wings
- E06B7/18—Sealing arrangements on wings or parts co-operating with the wings by means of movable edgings, e.g. draught sealings additionally used for bolting, e.g. by spring force or with operating lever
- E06B7/20—Sealing arrangements on wings or parts co-operating with the wings by means of movable edgings, e.g. draught sealings additionally used for bolting, e.g. by spring force or with operating lever automatically withdrawn when the wing is opened, e.g. by means of magnetic attraction, a pin or an inclined surface, especially for sills
- E06B7/205—Sealing arrangements on wings or parts co-operating with the wings by means of movable edgings, e.g. draught sealings additionally used for bolting, e.g. by spring force or with operating lever automatically withdrawn when the wing is opened, e.g. by means of magnetic attraction, a pin or an inclined surface, especially for sills with sealing strip mounted on sill
Definitions
- Figure 1 of the drawing is a representation of a sectional view of my invention
- Fig. 2 is a top view of my invention
- Fig. 3 is a transverse section of my invention.
- Myinvention has relation to movable thresholds and consists in the novel construction and arrangement of an angular lever, made of flattened bar-iron, having a perforation near its angle end for the reception of a vertical stud, by which a suitable and convenient fulcrum is obtained, in connection with guidestuds placed on each side of the horizontal part of the lever, whereby a vertical movement of the lever is secured in the operation of the threshold, as hereinafter more fully set forth.
- A designates the door-frame B, the door; and O, the threshold lying in a recess, B, of the floor or door-frame.
- U designates a vertical recess cut in the upright of the frame at one end of the recess containing the threshold.
- I) indicates an L-shaped lever laid on the bottom of the recess B, and held by a vertical pin or screw, E, which passes through the long arm of said lever close to the short arm, as shown.
- E designates studs to The short arm of the latter rises into the recess 0 and plays back and forth therein.
- a stud, F projecting from the hinge edge of the door, comes in contact with said short arm when the door is closed and presses it back, at the same time raising the end of the long arm, and elevating the end of the threshold nearest the short arm until it touches the lower edge of the door.
- the continuing pressure of the stud F combined with the pressure of the door on the raised end of the threshold,
- A tends to elevate the other end so as to bring the whole upper surface in contact with the door.
- the lever When the lever is operated it turns on the angle of its arms as a fulcrum, and when the end of the long arm is raised it serves as a fulcrum to the threshold to enable it to be raised by the pressure of the door, as above described.
- Gr designates a recess cut in the under side of the threshold to make room for H indicates a metallic weight inserted in the end of the threshold and designed to depress the latter when the door is opened, and also to prevent the threshold from being thrown too high when the door is suddenly shut.
- the arrangement of the threshold and lever provides for the gradual and easy'raisin g of the threshold by distributing the weight and strain.
- Fig. 3 illustrates a somewhat different form of threshold, which is wider than the other, and has only its side nearest the door raised when the latter is closed.
- the lower edge of the door is beveled to correspond. to the inclination of the threshold.
- the door-sill is also beveled at e to correspond to the bevel of the adjacent edge of the threshold.
- a stud, g, under the threshold, enters areeess, g, and
- the threshold prevents the threshold from moving out of place.
- the threshold may be made to rise to any height desired to compensate for the expansion or shrinkage of the door.
Landscapes
- Engineering & Computer Science (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Specific Sealing Or Ventilating Devices For Doors And Windows (AREA)
- Special Wing (AREA)
Description
S. W. CURTIS,
Improvement in Movable Thresholds.
Patented N0\i.19,1872.
Fig.1.
Fig. 2..
WITNESSES. flzlf-a w INVENTOR. afwm tzd v prevent lateral movement of the lever.
NT FFIU.
IMPRQVEMENT IN MOVABLE THRESHOLDS.
Specification forming part of Letters Patent No. 133,207, dated November 19, 1872.
To all whom it may concern:
Be it known that I, SAMUEL W. CURTIS, of Erieville, in the county of Madison and State of New York, have invented a new and valuable Improvement in Self-Adjusting Threshold 5 and I do hereby declare that the following is a full, clear, and exact description of the construction and operation of the same, reference being bad to the annexed drawing making a part of this specification, and to the letters and figures of reference marked thereon.
Figure 1 of the drawing is a representation of a sectional view of my invention; Fig. 2 is a top view of my invention; and Fig. 3 is a transverse section of my invention.
Myinvention has relation to movable thresholds and consists in the novel construction and arrangement of an angular lever, made of flattened bar-iron, having a perforation near its angle end for the reception of a vertical stud, by which a suitable and convenient fulcrum is obtained, in connection with guidestuds placed on each side of the horizontal part of the lever, whereby a vertical movement of the lever is secured in the operation of the threshold, as hereinafter more fully set forth.
In the drawing, Adesignates the door-frame B, the door; and O, the threshold lying in a recess, B, of the floor or door-frame. U designates a vertical recess cut in the upright of the frame at one end of the recess containing the threshold. I) indicates an L-shaped lever laid on the bottom of the recess B, and held by a vertical pin or screw, E, which passes through the long arm of said lever close to the short arm, as shown. (2 designates studs to The short arm of the latter rises into the recess 0 and plays back and forth therein. A stud, F, projecting from the hinge edge of the door, comes in contact with said short arm when the door is closed and presses it back, at the same time raising the end of the long arm, and elevating the end of the threshold nearest the short arm until it touches the lower edge of the door. The continuing pressure of the stud F, combined with the pressure of the door on the raised end of the threshold,
the lever.
A tends to elevate the other end so as to bring the whole upper surface in contact with the door. When the lever is operated it turns on the angle of its arms as a fulcrum, and when the end of the long arm is raised it serves as a fulcrum to the threshold to enable it to be raised by the pressure of the door, as above described. Gr designates a recess cut in the under side of the threshold to make room for H indicates a metallic weight inserted in the end of the threshold and designed to depress the latter when the door is opened, and also to prevent the threshold from being thrown too high when the door is suddenly shut. The arrangement of the threshold and lever provides for the gradual and easy'raisin g of the threshold by distributing the weight and strain.
Fig. 3 illustrates a somewhat different form of threshold, which is wider than the other, and has only its side nearest the door raised when the latter is closed. The lower edge of the door is beveled to correspond. to the inclination of the threshold. The door-sill is also beveled at e to correspond to the bevel of the adjacent edge of the threshold. A stud, g, under the threshold, enters areeess, g, and
prevents the threshold from moving out of place. By properly adjusting the screw or stud F the threshold may be made to rise to any height desired to compensate for the expansion or shrinkage of the door.
I am well aware that it is not new to operate a threshold by means of a rising lever. Therefore, I'make no claim to such a means but What I do claim is- The combination, with a door having an adjustable or screw-stud F, of the rising threshold O, fulcrum-post E, guide-studs d, and the perforated angle-lever D, all constructed and arranged substantially as specified.
In testimony that I claim the above I have hereunto subscribed my name in the presence of two witnesses.
SAMUEL W. CURTIS.
Witnesses:
ALBERT P. TILLINGHAST, AMos A. DALTON.
Publications (1)
| Publication Number | Publication Date |
|---|---|
| US133207A true US133207A (en) | 1872-11-19 |
Family
ID=2202623
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| US133207D Expired - Lifetime US133207A (en) | Improvement in movable thresholds |
Country Status (1)
| Country | Link |
|---|---|
| US (1) | US133207A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20050028462A1 (en) * | 2003-08-08 | 2005-02-10 | The Boeing Company | Self-activating threshold door seal |
-
0
- US US133207D patent/US133207A/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20050028462A1 (en) * | 2003-08-08 | 2005-02-10 | The Boeing Company | Self-activating threshold door seal |
| US7028740B2 (en) * | 2003-08-08 | 2006-04-18 | The Boeing Company | Self-activating threshold door seal |
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