US159124A - Improvement in pawls and ratchets - Google Patents
Improvement in pawls and ratchets Download PDFInfo
- Publication number
- US159124A US159124A US159124DA US159124A US 159124 A US159124 A US 159124A US 159124D A US159124D A US 159124DA US 159124 A US159124 A US 159124A
- Authority
- US
- United States
- Prior art keywords
- pawl
- ratchet
- ratchets
- pawls
- improvement
- 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
- 230000000875 corresponding Effects 0.000 description 2
- 241000894007 species Species 0.000 description 2
- 238000004804 winding Methods 0.000 description 2
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D41/00—Freewheels or freewheel clutches
- F16D41/12—Freewheels or freewheel clutches with hinged pawl co-operating with teeth, cogs, or the like
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H63/00—Control outputs from the control unit to change-speed- or reversing-gearings for conveying rotary motion or to other devices than the final output mechanism
- F16H63/02—Final output mechanisms therefor; Actuating means for the final output mechanisms
- F16H63/30—Constructional features of the final output mechanisms
- F16H63/34—Locking or disabling mechanisms
- F16H63/3416—Parking lock mechanisms or brakes in the transmission
-
- 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
- Y10T74/21—Elements
- Y10T74/2133—Pawls and ratchets
- Y10T74/2136—Pivoted pawls
Definitions
- Figure 1 is an end elevation of the shaft and pulley, showing the pawl engaged with the ratchet for turning the shaft.
- Fig. 2 is an end elevation, showing the pawl adjusted for allowing the wheel to run without turning the shaft for winding the bobbins; and
- Fig. 3 is a sectional elevation of Fig. 1 on the line a: w.
- A is the shaft; B, the pulley; O, the ratchet; D, the pawl, and E the spring.
- the pulley is loose on the shaft, the ratchet is keyed to it,
- the pawl is fixed on a pivot at or about the middle, and it has a projection, F, with relation to which and the pivot of 'the pawl the spring is so arranged that it will hold the pawl either in or out of connection with the ratchet, according to which way it is shifted.
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Sewing Machines And Sewing (AREA)
Description
R. r umuusou a 1.- SMITH.
Pawl and Ratchet.
Patented Jan. 26, 1875f mamih Pump :0 WA Hmc'raN D c UNITED, STATES PATENT QFFIGE.
' RALPH TOMLINSON AND JOSEPH SMITH, OF BOSTON, MASSACHUSETTS.
lMPROyEMENT IN PAWLS AND RATCHETS.
Specification forming part of Letters Patent No. 159,124, dated January 26, 1875; application filed December 19, 1874.
To all whom it may concern Be it known that we. RALPH [[OMLINSON of Sutl'olk and State of Massachusetts, have.
invented a new and usefulImprovement on Sewing-Machines, of which the following is a speci lication:
The invention will first be fully described, andthen pointed out in the claim.
Figure 1 is an end elevation of the shaft and pulley, showing the pawl engaged with the ratchet for turning the shaft. Fig. 2 is an end elevation, showing the pawl adjusted for allowing the wheel to run without turning the shaft for winding the bobbins; and Fig. 3 is a sectional elevation of Fig. 1 on the line a: w.
Similar letters of reference indicate corresponding parts.
' A is the shaft; B, the pulley; O, the ratchet; D, the pawl, and E the spring. The pulley is loose on the shaft, the ratchet is keyed to it,
and the pawl is fixed on a pivot at or about the middle, and it has a projection, F, with relation to which and the pivot of 'the pawl the spring is so arranged that it will hold the pawl either in or out of connection with the ratchet, according to which way it is shifted.
shaft A, having end ratchet, of the pawl l) v and spring E, the former having the projection F, as shown and described, whereby said spring may hold the pawl either in contact with or away from the ratchet.
" RALPH TOMLINSON.
JOSEPH snrrn.
Witnesses:
ENDIX T. SWIFT, DUNCAN BRADFORD.
Publications (1)
| Publication Number | Publication Date |
|---|---|
| US159124A true US159124A (en) | 1875-01-26 |
Family
ID=2228534
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| US159124D Expired - Lifetime US159124A (en) | Improvement in pawls and ratchets |
Country Status (1)
| Country | Link |
|---|---|
| US (1) | US159124A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2425970A (en) * | 1944-04-01 | 1947-08-19 | Willcox & Gibbs Sewing Machine | Sewing machine |
| US2592240A (en) * | 1948-10-26 | 1952-04-08 | Wheel Trueing Tool Co | Tool bracket and indexing assembly |
| US2592241A (en) * | 1949-04-23 | 1952-04-08 | Wheel Trueing Tool Co | Wheel dressing unit |
| US2941627A (en) * | 1956-07-03 | 1960-06-21 | Beebe Bros | Boat trailer winch |
-
0
- US US159124D patent/US159124A/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2425970A (en) * | 1944-04-01 | 1947-08-19 | Willcox & Gibbs Sewing Machine | Sewing machine |
| US2592240A (en) * | 1948-10-26 | 1952-04-08 | Wheel Trueing Tool Co | Tool bracket and indexing assembly |
| US2592241A (en) * | 1949-04-23 | 1952-04-08 | Wheel Trueing Tool Co | Wheel dressing unit |
| US2941627A (en) * | 1956-07-03 | 1960-06-21 | Beebe Bros | Boat trailer winch |
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