US136377A - Improvement in treadles for sewing-machines - Google Patents
Improvement in treadles for sewing-machines Download PDFInfo
- Publication number
- US136377A US136377A US136377DA US136377A US 136377 A US136377 A US 136377A US 136377D A US136377D A US 136377DA US 136377 A US136377 A US 136377A
- Authority
- US
- United States
- Prior art keywords
- treadles
- sewing
- machines
- improvement
- shaft
- 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
- 210000003371 toe Anatomy 0.000 description 3
- 210000002683 foot Anatomy 0.000 description 1
- 239000002655 kraft paper Substances 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H3/00—Mechanisms for operating contacts
- H01H3/02—Operating parts, i.e. for operating driving mechanism by a mechanical force external to the switch
- H01H3/14—Operating parts, i.e. for operating driving mechanism by a mechanical force external to the switch adapted for operation by a part of the human body other than the hand, e.g. by foot
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05G—CONTROL DEVICES OR SYSTEMS INSOFAR AS CHARACTERISED BY MECHANICAL FEATURES ONLY
- G05G1/00—Controlling members, e.g. knobs or handles; Assemblies or arrangements thereof; Indicating position of controlling members
- G05G1/30—Controlling members actuated by foot
- G05G1/40—Controlling members actuated by foot adjustable
- G05G1/405—Controlling members actuated by foot adjustable infinitely adjustable
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T74/00—Machine element or mechanism
- Y10T74/20—Control lever and linkage systems
- Y10T74/20576—Elements
- Y10T74/20888—Pedals
- Y10T74/20894—Treadles
Definitions
- This invention relates to that class of treadles in which there are two sandals connected at the heels to swinging levers suspended to the table-top.
- the toes of said sandals are connected to cranks on a crank-shaft, located near the lower part of the stand.
- Figure 1 is a front or side view.
- Fig. 2 is an end view of a sewing-machine table, with part of stand or legs removed, showing my improved treadle.
- a A represent a sewing-machine table, of the usual style.
- B is a crank-shaft, located near the floor, and having its journals arranged in the sides of the stand.
- 0 G are swing levers, suspended on the under side of the tabletop, near the front edge.
- D D are sandals, pivoted at the heels to the lower ends of the levers O 0, and which swing back and forth with the levers.
- the toes of the sandals have a forward-projecting arm, E, connecting with cranks b b on the shaft B.
- the cranks are arranged opposite to each other, which gives an alternate motion to the treadles.
- the feet of the operator have a regular Walking motion, moving back and forth. At the.
- a pulley-wheel, F which is connected with a pulley, G, playing on a stud in the side of the table, and has also connected with it a balance-wheel, H.
- sandals D when pivoted at their backs or heels to the swinging rods 0, and connected directly to the crank-shaft B, situated below the drive-wheel, all constructed, arranged, and operating substantially as herein shown and described.
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Sewing Machines And Sewing (AREA)
Description
G. J. F. KRAFT.
Treadles for Sewing-Machines.
$10,136,377, PatefitedMarch4,1873.
WITNESSES INVENTOR.
UNITED STATES PATENT OEEIoE.
CHARLES J. F. KRAFT, OF CLEVELAND, OHIO.
IMPROVEMENT IN TREADLES FOR SEWING-MACHINES.
. t Specification forming part of Letters Patent No. 136,377, dated March 4, 1873.
To all whom it may concern:
Be it known that I, GHARLEs J. F. KRAFT,
of Cleveland, county of Ouyahoga, State of Ohio, have invented an Improved Sewing- Machine Treadle, of which the following is a specification This invention relates to that class of treadles in which there are two sandals connected at the heels to swinging levers suspended to the table-top. The toes of said sandals are connected to cranks on a crank-shaft, located near the lower part of the stand.
Referring to the drawing, Figure 1 is a front or side view. Fig. 2 is an end view of a sewing-machine table, with part of stand or legs removed, showing my improved treadle.
A A represent a sewing-machine table, of the usual style. B is a crank-shaft, located near the floor, and having its journals arranged in the sides of the stand. 0 G are swing levers, suspended on the under side of the tabletop, near the front edge. D D are sandals, pivoted at the heels to the lower ends of the levers O 0, and which swing back and forth with the levers. The toes of the sandals have a forward-projecting arm, E, connecting with cranks b b on the shaft B. The cranks are arranged opposite to each other, which gives an alternate motion to the treadles.
The feet of the operator have a regular Walking motion, moving back and forth. At the.
same time the toes have an up and down movement, making this a kind of velocipedetreadle.
On the shaft 13 is a pulley-wheel, F, which is connected with a pulley, G, playing on a stud in the side of the table, and has also connected with it a balance-wheel, H.
I am aware that it is not new to attach the treadles to swinging levers pivoted to the table, and connecting with the cranks of the main shaft; and therefore I do not claim this combination, broadly; but
I claim The sandals D, when pivoted at their backs or heels to the swinging rods 0, and connected directly to the crank-shaft B, situated below the drive-wheel, all constructed, arranged, and operating substantially as herein shown and described.
CHAS. J. F. KRAFT. Witnesses:
D. C. MCINTOSH, HERMAN F. KRAFT.
Publications (1)
| Publication Number | Publication Date |
|---|---|
| US136377A true US136377A (en) | 1873-03-04 |
Family
ID=2205793
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| US136377D Expired - Lifetime US136377A (en) | Improvement in treadles for sewing-machines |
Country Status (1)
| Country | Link |
|---|---|
| US (1) | US136377A (en) |
-
0
- US US136377D patent/US136377A/en not_active Expired - Lifetime
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