US131055A - Improvement in devices for balancing sashes - Google Patents
Improvement in devices for balancing sashes Download PDFInfo
- Publication number
- US131055A US131055A US131055DA US131055A US 131055 A US131055 A US 131055A US 131055D A US131055D A US 131055DA US 131055 A US131055 A US 131055A
- Authority
- US
- United States
- Prior art keywords
- frame
- sashes
- improvement
- devices
- balancing
- 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 1
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Classifications
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05D—HINGES OR SUSPENSION DEVICES FOR DOORS, WINDOWS OR WINGS
- E05D13/00—Accessories for sliding or lifting wings, e.g. pulleys, safety catches
Definitions
- My invention consists of the peculiar construction and arrangement of the rollers within the frame, all as hereafter described.
- Figure 1 is a plan view of a sash-cord pulley and its frame which embodies my invention.
- Fig. 2 is a vertical and longitudinal -section of the same on line .mv of Fig. 1
- Fig. 3 is a vertical and transverse section of the same lon line y y of Fig. 1.
- A designates the pulley frame or shell, which is left open at the top, thereby forming a U- shaped shell, as shown in Fig. 3.
- B designates an inner frame, a transverse section of which is also of U-shaped form, but of less depth than the frame A, and it is hung Within the frame A by means of a pin, a.
- Transversely through the inner frame B are three holes, in which I place straight cylindrical rollers b b b, the same being formed of short pieces of wire. The rollers b b b are inserted in the frame B previous to hanging said frame in the shell A.
- rollers and the inner frame B are secured within the frame A the sides of said frame prevent the rollers from slipping end- Wise out of place.
- the rollers are for the cord to pass over, the same as the ordinary sashcord rollers; but by being smaller the friction is greater, and therefore to balance the sash it requires Weights equal to only one-half the Weight of the sash, instead of the same Weight. It is, of course, evident that the number of rollers for each frame A may be more or less without changing the nature of my invention.
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Treatment Of Liquids With Adsorbents In General (AREA)
- Transplanting Machines (AREA)
Description
S. S. FARGO.
Improvement in Devices for Balancing Sashes.
NO. 131,055. Patented Sep.3,1872.
UNITED STATES PATENT OFFICE.
SAMUEL S. FARGO, OF BRISTOL, CONNECTICUT.
IMPROVEMENT IN DEVICES FOR BALANCIN'G SASHES.
Specification forming part of Letters Patent No. 131,655, dated September 3, 1872..
Specifications describing certain Improvements in Sash-Cord Pulleys, invented by SAM- UEL S. FARGO, of Bristol, county of Hartford and State of Connecticut..
My invention consists of the peculiar construction and arrangement of the rollers within the frame, all as hereafter described.
In the accompanying drawing, Figure 1 is a plan view of a sash-cord pulley and its frame which embodies my invention. Fig. 2 is a vertical and longitudinal -section of the same on line .mv of Fig. 1, and Fig. 3 is a vertical and transverse section of the same lon line y y of Fig. 1.
A designates the pulley frame or shell, which is left open at the top, thereby forming a U- shaped shell, as shown in Fig. 3. B designates an inner frame, a transverse section of which is also of U-shaped form, but of less depth than the frame A, and it is hung Within the frame A by means of a pin, a. Transversely through the inner frame B are three holes, in which I place straight cylindrical rollers b b b, the same being formed of short pieces of wire. The rollers b b b are inserted in the frame B previous to hanging said frame in the shell A. y
I/Vhen the rollers and the inner frame B are secured Within the frame A the sides of said frame prevent the rollers from slipping end- Wise out of place. The rollers are for the cord to pass over, the same as the ordinary sashcord rollers; but by being smaller the friction is greater, and therefore to balance the sash it requires Weights equal to only one-half the Weight of the sash, instead of the same Weight. It is, of course, evident that the number of rollers for each frame A may be more or less without changing the nature of my invention.
By my invention I produce a pulley which is cheaply made, and in use saves largely in sash-cord weights.
I claim as my invention- The combination of the cylindrical rollers b b b, inner frame B, and shell A, all substantially as and for the purpose described.
SAMUEL S. FARGO. Witnesses:
ELIAS BURWELL, DANL. I. GALE.
Publications (1)
| Publication Number | Publication Date |
|---|---|
| US131055A true US131055A (en) | 1872-09-03 |
Family
ID=2200472
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| US131055D Expired - Lifetime US131055A (en) | Improvement in devices for balancing sashes |
Country Status (1)
| Country | Link |
|---|---|
| US (1) | US131055A (en) |
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0
- US US131055D patent/US131055A/en not_active Expired - Lifetime
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