US175340A - Improvement in tilting chairs - Google Patents
Improvement in tilting chairs Download PDFInfo
- Publication number
- US175340A US175340A US175340DA US175340A US 175340 A US175340 A US 175340A US 175340D A US175340D A US 175340DA US 175340 A US175340 A US 175340A
- Authority
- US
- United States
- Prior art keywords
- improvement
- plates
- chairs
- chair
- tilting chairs
- 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
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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
- E05D11/00—Additional features or accessories of hinges
- E05D11/06—Devices for limiting the opening movement of hinges
Definitions
- Figure l is a side view of my improved -chair.
- Fig. 2 is a horizontal section of the saine, taken through the line fr zc, Fig. l, looking upward.
- Fig. 3 is a detail section. taken through the line y y, Fig. 1.
- Fig. 4 is a detail section taken through the line zz, Fig. 3.
- Fig. 5 is a bottom view of the nut or block for the screw or pivot, and to receive the legs.
- Fig. 6 is a detail sectionof the same, taken through the line o c, Fig. 5.
- the object of this invention is to furnish improved tilting and pivot or screw chairs, which shall be simple in construction, comfortable in use, strong, and durable.
- A represents the seat-frame, B the backfralne, and O the arms, of a cbair,-about the construction of which parts there is nothing new.
- D are two plates attached to the side bars of the seat-frame A, and upon the upper sides of which are formed points d1, to prevent the said plates from turning'.
- the side edges of the plates D are forward downwardly-projecting anges d2, to fit between the upwardlyprojecting anges el, formed upon the forward parts of the side edges of the plates E, formed upon or attached to the ends of the cross-bar F, to the center of which the screw or pivot G is attached.
- the rear parts of the plates D E project, and have low flanges formed around them, to form seats for the ends of the rubber blocks H, interposed between them, and which form the springs of the chair.
- the plates D E are hinged to each other by pins I, passed through holes in their overlapped anges d2 el, as shown in Figs. 1 and 4.
- the rear parts of the upper plates D are widened, and have shoulders d3 formed upon them to strike against similar shoulders c2, formed upon the rear parts of the plate E, to serve as stops to prevent the chair from tipping back too far.
- a forwardly-projecting arm, J having a rubber block, K, attached to its forward end for the front bar of the seatframe A to rest against to prevent the chair from tipping forward.
- L is a nut or block for pivot Gr, and for receiving legs M imits sockets.
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chairs For Special Purposes, Such As Reclining Chairs (AREA)
Description
A. S. CUSHING.
wwwa-CHAIR.
No.175,340. Patented March 28,1876.'
ATTMS.
ILPETERS, PHOTO-LITHOGRAPHER. WASHINGTON. D
UNITED STATES PATENT OFFICE.
ALANSON S. OUSHING, OF BUFFALO, NEW YORK.
IMPROVEMENT IN TILTING CHAIRS.
Specification forming part of Letters Patent N o. 175,340, dated March 28, 1876; application filed January 15, 1876.
To all whom t may concern Be it known that I, ALANsoN S. GUsHING, of Buffalo, in the county of Erie and State of New York, have invented a new and useful Improvement in Chairs, of which the following is a specification:
Figure l is a side view of my improved -chair. Fig. 2 is a horizontal section of the saine, taken through the line fr zc, Fig. l, looking upward. Fig. 3 is a detail section. taken through the line y y, Fig. 1. Fig. 4 is a detail section taken through the line zz, Fig. 3. Fig. 5 is a bottom view of the nut or block for the screw or pivot, and to receive the legs. Fig. 6 is a detail sectionof the same, taken through the line o c, Fig. 5.
Similar letters of reference indicate corresponding parts.
The object of this invention is to furnish improved tilting and pivot or screw chairs, which shall be simple in construction, comfortable in use, strong, and durable.
The invention will lirst be fully described, and then pointed out in the claim.
A represents the seat-frame, B the backfralne, and O the arms, of a cbair,-about the construction of which parts there is nothing new. D are two plates attached to the side bars of the seat-frame A, and upon the upper sides of which are formed points d1, to prevent the said plates from turning'. Upon the forward parts ot' the side edges of the plates D are forward downwardly-projecting anges d2, to fit between the upwardlyprojecting anges el, formed upon the forward parts of the side edges of the plates E, formed upon or attached to the ends of the cross-bar F, to the center of which the screw or pivot G is attached. The rear parts of the plates D E project, and have low flanges formed around them, to form seats for the ends of the rubber blocks H, interposed between them, and which form the springs of the chair. The plates D E are hinged to each other by pins I, passed through holes in their overlapped anges d2 el, as shown in Figs. 1 and 4. The rear parts of the upper plates D are widened, and have shoulders d3 formed upon them to strike against similar shoulders c2, formed upon the rear parts of the plate E, to serve as stops to prevent the chair from tipping back too far. Upon the middle part of the crossfbar F is formed a forwardly-projecting arm, J, having a rubber block, K, attached to its forward end for the front bar of the seatframe A to rest against to prevent the chair from tipping forward. L isa nut or block for pivot Gr, and for receiving legs M imits sockets.
Having thus vdescribed my invention, I claim as new and desire to secure by Letters Patentrlhe combination of the hinged plates D E, provided with short iianges 'at the rear to form a socket for the spring, and with shoulders d3 c2 to form stops, substantially as and for the purpose specified.
GEORGE H. LoPER, "WILLIAM C. HILLEs.
Publications (1)
| Publication Number | Publication Date |
|---|---|
| US175340A true US175340A (en) | 1876-03-28 |
Family
ID=2244747
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| US175340D Expired - Lifetime US175340A (en) | Improvement in tilting chairs |
Country Status (1)
| Country | Link |
|---|---|
| US (1) | US175340A (en) |
-
0
- US US175340D patent/US175340A/en not_active Expired - Lifetime
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