US169825A - Improvement in dental and barbers chairs - Google Patents
Improvement in dental and barbers chairs Download PDFInfo
- Publication number
- US169825A US169825A US169825DA US169825A US 169825 A US169825 A US 169825A US 169825D A US169825D A US 169825DA US 169825 A US169825 A US 169825A
- Authority
- US
- United States
- Prior art keywords
- dental
- improvement
- standard
- chair
- lever
- 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
- 240000001973 Ficus microcarpa Species 0.000 description 2
- 230000000994 depressed Effects 0.000 description 2
- 230000000630 rising Effects 0.000 description 2
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
- B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
- B60N2/02—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable
- B60N2/04—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable the whole seat being movable
- B60N2/16—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable the whole seat being movable height-adjustable
- B60N2/18—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable the whole seat being movable height-adjustable the front or the rear portion of the seat being adjustable, e.g. independently of each other
- B60N2/1892—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable the whole seat being movable height-adjustable the front or the rear portion of the seat being adjustable, e.g. independently of each other characterised by a lock
Definitions
- N-PEYERS PHOTO-LITHOGRAPMER.
- WASNNGTO'N D Cl 2 Sheets-Sheet 2.
- My invention relates to an improvement in dentists7 and barbers7 chairs, having forits object to so construct a chair that the operator can, by means of a pedal, tilt the seat,
- FIG. 3 is a transverse vertical section at y y in the saine figure.
- Fig. 4 is an enlarged vertical section of my device, showing in dotted lines the position of the several parts when the chair is tilted;
- Hand Fig. 5 is a top view of the standard, with the chair-seat removed.
- A represents a standard, in the form of a hollow pillar, secured by screws to the iioor, or to a suitable platform, and having' in its to. an annular turntable, a, to which are secured two upturned brackets, l) b, diametrically opposite to each other, to the ends of which two lugs, pendent from the chairseat B, are pivoted by a transverse bolt, c, whereby the seat'may he tilted on the joint so made.
- d is a curved fulcrum rising from the back part of the turn-table a.
- rlhe lever is kept in engagement with the ratchet by a long leatlspring7 i, on the other side.
- the outer end ofthe lever h has a folding pedal, h', pivoted to it.
- the standard A is bolted to a light platform, C, having' a foot-rest; but it can he supported upon suitable casters.
- a fulcrum upon the y turn-table, the lever, rod, and pedal combined with a device for lookin g the chair at various angles of inclination, substantially as set forth.
Landscapes
- Engineering & Computer Science (AREA)
- Aviation & Aerospace Engineering (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Accommodation For Nursing Or Treatment Tables (AREA)
- Dental Tools And Instruments Or Auxiliary Dental Instruments (AREA)
Description
2 Sh'eets-Sheet 1. S. C. MEGILL.
DENTAL AND1 BARBERSCHIR. N169825I Patented Nov. 9,1875.
N-PEYERS, PHOTO-LITHOGRAPMER. WASNNGTO'N, D Cl 2 Sheets-Sheet 2.
S. C. MEGILL. DENTAL AND BARBERSGHAIR.
Patented Nov. 9, 1875.
MPERS. FHDTOLITHOGRAPHER. WASHINGTON D C.
UNTTED STATEs1sPATENT QEEICE.
SEBRING C. MEGILL, OF CHICAGO, ILLINOIS.
IMPROVEMENT IN DENTAL AND BARBERS CHAIRS.
Speoieationforming part of Letters Patent No. 169,825, dated November 9,1875; application filed June 3, 1875.
To all whom @t may concern Be it known that I, SEBRING C. MEGILL, of Chicago, in the county of Cook and State of Illinois, have invented an Improvement in Dental and Tonsorial Chairs, of which the following is a specitication:
My invention relates to an improvement in dentists7 and barbers7 chairs, having forits object to so construct a chair that the operator can, by means of a pedal, tilt the seat,
. and lock it at any required angle of inclinathe chair and standard at w x in Fig. l. Fig.`
3 is a transverse vertical section at y y in the saine figure. Fig. 4 is an enlarged vertical section of my device, showing in dotted lines the position of the several parts when the chair is tilted; Hand Fig. 5 is a top view of the standard, with the chair-seat removed.
In the drawing, A represents a standard, in the form of a hollow pillar, secured by screws to the iioor, or to a suitable platform, and having' in its to. an annular turntable, a, to which are secured two upturned brackets, l) b, diametrically opposite to each other, to the ends of which two lugs, pendent from the chairseat B, are pivoted by a transverse bolt, c, whereby the seat'may he tilted on the joint so made. d is a curved fulcrum rising from the back part of the turn-table a. Its rear end is forked, and between the forks, at e, is pivoted a curved lever, f, whose rear end is coupled with the back part of the seat-rim, and whose front end is turned down into the axis of the turntable, where it is flattened and perforated to receive a round rod, g, which is passed down into the hollow standard, and is arrested by a head at the top end, the lever thus rotating with the turn-ta ble without Inoving the rod, the lower end of which is hooked into an eye in a pedal lever, h, pivoted at its front end in a slot in the lower part of the standard, the rear end extending through a slot in the rear side of said standard, which slot is provided with a ratchet-plate, lc, on one side, to lock down the lever to any position into which it may he depressed. rlhe lever is kept in engagement with the ratchet by a long leatlspring7 i, on the other side. The outer end ofthe lever h has a folding pedal, h', pivoted to it. The standard A is bolted to a light platform, C, having' a foot-rest; but it can he supported upon suitable casters.
It will be noticed that the seat can b e rotated on its vertical axis while locked at any angle of inclination-a feature of importance in the execution of dental operations.
What I claim as my invention is- 1. In a chair rotating upon a iixed standard, substantially as described, the lever, rod, and pedal, combined with a fulcrum upon the turn-table for tilting the chair, substantially as set forth.
2. In a chair rotating upon a fixed standard,
substantially as described, a fulcrum upon the y turn-table, the lever, rod, and pedal, combined with a device for lookin g the chair at various angles of inclination, substantially as set forth.
Publications (1)
| Publication Number | Publication Date |
|---|---|
| US169825A true US169825A (en) | 1875-11-09 |
Family
ID=2239233
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| US169825D Expired - Lifetime US169825A (en) | Improvement in dental and barbers chairs |
Country Status (1)
| Country | Link |
|---|---|
| US (1) | US169825A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2850077A (en) * | 1954-03-09 | 1958-09-02 | Rexford A Dawson | Furniture seats |
| US4294426A (en) * | 1977-01-12 | 1981-10-13 | Henry Fleischer | Unique joint especially useful with juvenile furniture and playthings |
-
0
- US US169825D patent/US169825A/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2850077A (en) * | 1954-03-09 | 1958-09-02 | Rexford A Dawson | Furniture seats |
| US4294426A (en) * | 1977-01-12 | 1981-10-13 | Henry Fleischer | Unique joint especially useful with juvenile furniture and playthings |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US169825A (en) | Improvement in dental and barbers chairs | |
| US374628A (en) | Adjustable chair | |
| US597665A (en) | Chair | |
| US340754A (en) | Nicholas baetelle | |
| US469357A (en) | And bertrand ii | |
| US311882A (en) | Joseph p | |
| US3162482A (en) | Reclining furniture and reclining mechanism therefor | |
| US392174A (en) | Chair | |
| US484571A (en) | Adjustable chair | |
| US54217A (en) | Improved chair | |
| US267748A (en) | Ohaib | |
| US557097A (en) | -arches | |
| US445014A (en) | Barber s chair | |
| US357955A (en) | Reclining-chair | |
| US397077A (en) | Surgical chair | |
| US163953A (en) | Improvement in adjustable and reversible chairs | |
| US447487A (en) | Dental chair | |
| US153706A (en) | Improvement in hat-supporting attachments for chairs | |
| US835976A (en) | Chair. | |
| US317001A (en) | Benjamin c | |
| US261205A (en) | Joseph ohampie | |
| US246556A (en) | Reclining-chair | |
| US165932A (en) | Improvement in foot-rests for chairs | |
| US232299A (en) | peitchard | |
| US321809A (en) | Surgical chair |