US51174A - Improved capstan - Google Patents
Improved capstan Download PDFInfo
- Publication number
- US51174A US51174A US51174DA US51174A US 51174 A US51174 A US 51174A US 51174D A US51174D A US 51174DA US 51174 A US51174 A US 51174A
- Authority
- US
- United States
- Prior art keywords
- capstan
- sockets
- pawls
- ratchet
- handspikes
- 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
- 230000000717 retained Effects 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
- F16H—GEARING
- F16H49/00—Other gearings
- F16H49/001—Wave gearings, e.g. harmonic drive transmissions
-
- 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
- Y10T74/19—Gearing
- Y10T74/19023—Plural power paths to and/or from gearing
- Y10T74/19051—Single driven plural drives
- Y10T74/19065—Aligned
Definitions
- ln capstans heretofore manufactured it has been usual to have pawls ou the capstan taking a circular ratchet or pawlbed.
- My invention has for its object the dispensing with the pawl-bed and pawls and making use of the handspike-sockets as pawls when the capstan is rotated byhandspikes setin the head of the capstan.
- a is the base of the capstan carrying and supporting the shaft b, upon which is the capstanbarrel c, retained by the nut d on the end of b.
- c are the sockets in the head ofthe capstan for receiving ⁇ the handspikes when the capstan is to be moved by power applied directly to said capstan.
- f f are short shafts supported in the base a, with a bearing or journal box ou each side of the pinions g g, that gear to the wheel h on the under side of the capstan-barrel c.
- z' i are ratchet-wheels secured to the shaftsf f, outside the bed a, and each ratchet-wheel is between the forks of the handspikesocket It, on the shafts f, respeetively.
- l is a double-acting spring-pawl having its fulcrum iu the socket k and fitted to take the teeth of 1T, as seen in Fig. 2, so that the ratchet can be made to operate either way.
- Both of the sockets k are iitted in the same manner, and it will be evident that when the hamlspike-sockcts are thrown over upon the deck the pawls of the said sockets will act as ratchets to prevent the capstan ruiming back while the said capstan is hobos worked by handspikes in the sockets e; and when it is desired to move the capstan with a slower speed and increased power the handspikes are to be inserted in thesockets k, and said sock ets an d handspikes worked simultaneously, the one moving ⁇ the capstan as the ratchet ou the other runs back over the teeth.
- VILLIAM DAKIN GRIMSHAW VILLIAM DAKIN GRIMSHAW
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Treatment Of Fiber Materials (AREA)
Description
UNITED STATES PATENT OFFICE.
WILLIAM DAKIN GRIMSHAV, OF NEW YORK, N. Y.
IM PROVED CAPSTAN.
Specification forming part of Letters Patent No. 5 l ,174, (lated November 28, 1865.
To all whom it may concern:
Be it known that I, WILLIAM D. Gain- SHAW, of the city and State of New York, have invented, made, and applied to use a certain new and useful Improvement in Gapstans; and Ido hereby declare the following to be a full, clear, and exact description of' the said invention, reference heilig had to the annexed drawings, making part of this specilication, wherein- Figure l is vertical section of the capstan through the actuating-shafts, and Fig. 2 is a section through one ofthe handspike-sockets.
Similar marks of reference denote the same parts.
ln capstans heretofore manufactured it has been usual to have pawls ou the capstan taking a circular ratchet or pawlbed. My invention has for its object the dispensing with the pawl-bed and pawls and making use of the handspike-sockets as pawls when the capstan is rotated byhandspikes setin the head of the capstan.
In the drawings, a is the base of the capstan carrying and supporting the shaft b, upon which is the capstanbarrel c, retained by the nut d on the end of b.
c are the sockets in the head ofthe capstan for receiving` the handspikes when the capstan is to be moved by power applied directly to said capstan.
f f are short shafts supported in the base a, with a bearing or journal box ou each side of the pinions g g, that gear to the wheel h on the under side of the capstan-barrel c.
z' i are ratchet-wheels secured to the shaftsf f, outside the bed a, and each ratchet-wheel is between the forks of the handspikesocket It, on the shafts f, respeetively.
l is a double-acting spring-pawl having its fulcrum iu the socket k and fitted to take the teeth of 1T, as seen in Fig. 2, so that the ratchet can be made to operate either way.
Both of the sockets k are iitted in the same manner, and it will be evident that when the hamlspike-sockcts are thrown over upon the deck the pawls of the said sockets will act as ratchets to prevent the capstan ruiming back while the said capstan is heilig worked by handspikes in the sockets e; and when it is desired to move the capstan with a slower speed and increased power the handspikes are to be inserted in thesockets k, and said sock ets an d handspikes worked simultaneously, the one moving` the capstan as the ratchet ou the other runs back over the teeth.
XVhat I claim andl desire to secure by Let ters Patent, is-
rlhe sockets k and spring-pawls l, in combination with the gear-wheels g and la and capstan c, substantially as specified, whereby a separate pawl-bed and pawls are dispensed with, as set forth.
In witness whereof I have hereunto set my signature this 11th day of October, 1865.
VILLIAM DAKIN GRIMSHAW,
Witnesses:
GEO. D. WALKER, CEAS. H. SMITH.
Publications (1)
| Publication Number | Publication Date |
|---|---|
| US51174A true US51174A (en) | 1865-11-28 |
Family
ID=2120724
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| US51174D Expired - Lifetime US51174A (en) | Improved capstan |
Country Status (1)
| Country | Link |
|---|---|
| US (1) | US51174A (en) |
-
0
- US US51174D patent/US51174A/en not_active Expired - Lifetime
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