US168646A - Improvement in gang-plows - Google Patents
Improvement in gang-plows Download PDFInfo
- Publication number
- US168646A US168646A US168646DA US168646A US 168646 A US168646 A US 168646A US 168646D A US168646D A US 168646DA US 168646 A US168646 A US 168646A
- Authority
- US
- United States
- Prior art keywords
- lever
- gang
- plows
- improvement
- rack
- 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
- RZVAJINKPMORJF-UHFFFAOYSA-N p-acetaminophenol Chemical compound CC(=O)NC1=CC=C(O)C=C1 RZVAJINKPMORJF-UHFFFAOYSA-N 0.000 description 2
Images
Classifications
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05G—CONTROL DEVICES OR SYSTEMS INSOFAR AS CHARACTERISED BY MECHANICAL FEATURES ONLY
- G05G5/00—Means for preventing, limiting or returning the movements of parts of a control mechanism, e.g. locking controlling member
- G05G5/12—Means for preventing, limiting or returning the movements of parts of a control mechanism, e.g. locking controlling member for holding members in an indefinite number of positions, e.g. by a toothed quadrant
- G05G5/14—Means for preventing, limiting or returning the movements of parts of a control mechanism, e.g. locking controlling member for holding members in an indefinite number of positions, e.g. by a toothed quadrant by locking a member with respect to a fixed quadrant, rod, or the like
- G05G5/18—Means for preventing, limiting or returning the movements of parts of a control mechanism, e.g. locking controlling member for holding members in an indefinite number of positions, e.g. by a toothed quadrant by locking a member with respect to a fixed quadrant, rod, or the like by positive interengagement, e.g. by a pawl
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- 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
- Y10T74/20636—Detents
- Y10T74/20672—Lever engaging rack
- Y10T74/20696—Finger lever release
- Y10T74/20702—Slidable
Definitions
- My invention relates to certain improvements in the operating levers and racks for gang-plows, by which I am enabled to do away with the strong spring heretofore needed to hold the lever to its place when the rack was made upon the side, and the consequent necessity of considerable strength to operate the lever.
- Figure 1 is a perspective view of my invention.
- one ofthe levers works about a center which is not the same as the center of motion of the other.
- this first lever must have a sliding motion up and down as it moves along the rack, and the rack was put upon the side, and a long catch upon the lever was necessary to hold it at different points.
- the lever is attached at the lower end in' the usual manner, and passes up at one side of the semicircle, as shown.
- the strap or box D which guides it, passes over the semicircle, and has an arm, E, extending up along the lever to near the top, where another strap, 1?, clasps the lever.
- a sliding pawl, G engages the rack A, and is guided by the box D.
- a rod, H connects this pawl with the hand-lever I, so that, by pressing on this lever, the pawl will be easily lifted, and the lever O can thus be moved.
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Toys (AREA)
Description
D. KENDIG.
Gang-Plow.
Patented Oct. 11, 1875.
No.l:68,646.
i E gitmfiiwwmlw Inventor Qwm/d Vitnesses I N. PETERS. PHOTO UNITED STATES PATENT OFFICE.
DANIEL KENDIG, OF'NAPA CITY, CALIFORNIA.
IMPROVEMENT IN GANG-FLOWS.
Specification-forming part of Letters Patent No. 168,646., dated October 11, 1875; application filed July 28,1875.
To all whom it may concern:
'Napa City and county, State of California,
have invented an Improved Lever and Rack for Gang-Flows; and I do hereby declare the following description and accompanying drawings are sufficient to enable any person skilled in the art or science to which it most nearly appertains to make and use my said invention or improvement without further invention or experiment.
' My invention relates to certain improvements in the operating levers and racks for gang-plows, by which I am enabled to do away with the strong spring heretofore needed to hold the lever to its place when the rack was made upon the side, and the consequent necessity of considerable strength to operate the lever.
Referring to the accompanying drawings for a more complete explanation of my in vention, Figure 1 is a perspective view of my invention.
In some plows, in which two levers are used, one ofthe levers works about a center which is not the same as the center of motion of the other. As a consequence, this first lever must have a sliding motion up and down as it moves along the rack, and the rack was put upon the side, and a long catch upon the lever was necessary to hold it at different points.
By reason of the strong spring in spring levers, which holds the lever against the rack, the operator must not only push the lever forward or back, but also press it strongly to one side, which is a difficult operation.
The lever is attached at the lower end in' the usual manner, and passes up at one side of the semicircle, as shown. The strap or box D, which guides it, passes over the semicircle, and has an arm, E, extending up along the lever to near the top, where another strap, 1?, clasps the lever.
Now, it will be seen that these two straps,
and their connecting-arm E, will retain their relative positions in moving forward and back upon the semicircle, while the lever G will be free to slide up and down, and accommodate itself to the varying center of motion.
A sliding pawl, G, engages the rack A, and is guided by the box D. A rod, H, connects this pawl with the hand-lever I, so that, by pressing on this lever, the pawl will be easily lifted, and the lever O can thus be moved.
Having thus described my invention, what I claim, and desire to secure by Letters Pat-
Publications (1)
| Publication Number | Publication Date |
|---|---|
| US168646A true US168646A (en) | 1875-10-11 |
Family
ID=2238055
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| US168646D Expired - Lifetime US168646A (en) | Improvement in gang-plows |
Country Status (1)
| Country | Link |
|---|---|
| US (1) | US168646A (en) |
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0
- US US168646D patent/US168646A/en not_active Expired - Lifetime
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