US94280A - Improvement in ferrules - Google Patents
Improvement in ferrules Download PDFInfo
- Publication number
- US94280A US94280A US94280DA US94280A US 94280 A US94280 A US 94280A US 94280D A US94280D A US 94280DA US 94280 A US94280 A US 94280A
- Authority
- US
- United States
- Prior art keywords
- points
- ferrules
- ferrule
- improvement
- handle
- 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
- 239000007787 solid Substances 0.000 description 8
- 239000002184 metal Substances 0.000 description 4
- 239000002023 wood Substances 0.000 description 4
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B31/00—Chucks; Expansion mandrels; Adaptations thereof for remote control
- B23B31/02—Chucks
- B23B31/10—Chucks characterised by the retaining or gripping devices or their immediate operating means
- B23B31/117—Retention by friction only, e.g. using springs, resilient sleeves, tapers
- B23B31/1179—Retention by friction only, e.g. using springs, resilient sleeves, tapers using heating and cooling
-
- 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
- Y10T279/00—Chucks or sockets
- Y10T279/17—Socket type
- Y10T279/17957—Friction grip
Definitions
- Figure 2 is Aa longitudinal section of the same.
- Figure 3 is an end view of the same, in an uncompleted state.
- My invention relates to that class oi' ferrules which are struck up, or swagedfrom a fiat piece of metal, so as to leave a solid end, which end is sometimes wholly removed, and sometimes only a small aperture, sufficient to admit theshank of the tool, is made in the solid end of the ferrule.
- My invention consists in the use or employment of points', formed on or in the solid end of said ferrule, which points are bent inward, and parallel to the sides of the ferrule, so as to enter the end of the wooden handle as the saine is driven into the ferrule.
- points c enter the end of the handle A, and act as.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Adornments (AREA)
Description
Hiwit (twine.
S. N. CHAPIN, CF NEW BRITAIN, CONNECTICUT.
Lette/rs Paten No. 94,280, da'ted'August 3l, 1869.
IMPROVEMENT IN FERRULES.
The Schedule referred to in these Letters Patent and making part of lthe same.
To all whom it may concern:
, Beit known tbatI, S. N. OHAPIN, of New Britain, in the county of Hartford, and State of Connecticut, have invented new and useful Improvements in Ferrules; and I do hereby decla-re that the following is a full, ciear, and exact description thereof, reference being had to the accompanying drawings, making a part l of this specification, in Ywhich-- Figure l is an end View of my invention.
Figure 2 is Aa longitudinal section of the same.
Figure 3 is an end view of the same, in an uncompleted state.
Similar letters of reference indicate' like parts.
My invention relates to that class oi' ferrules which are struck up, or swagedfrom a fiat piece of metal, so as to leave a solid end, which end is sometimes wholly removed, and sometimes only a small aperture, sufficient to admit theshank of the tool, is made in the solid end of the ferrule.
My invention consists in the use or employment of points', formed on or in the solid end of said ferrule, which points are bent inward, and parallel to the sides of the ferrule, so as to enter the end of the wooden handle as the saine is driven into the ferrule.
After the fel-rule a isformed, in the usual manner, a portion of the solid end is removed, so as to leave the remaining portion ofthe metal in form of any desired'number of points, c, as shownA in tig. 3. The points c are then turned or bent inward, so as to stand parallel, or nearly so, to the sides of theferrule a, with a slnall'space between the sides and the points, as hown in iig. 2. l
As the handle A is driven into the ferrule a, the
points c enter the end of the handle A, and act as.
wedgesto swell the wood, and cause th same to ll the ferrule a, and hold it upon thehandle. In case the wood of the handle shrinks, it will draw the points inward, and continually press upon them, so that the .friction ofthe points in the handle will secure the ferrule in place.
Ordinary fel-rules often become loose, and fall from 'place while being transported, or before the consumer and for the purpose set fort-l1.
' S. N. GHAPIN.
Witnesses:
C. E. MIrCHELL, JAMES SHEPARD.
Publications (1)
Publication Number | Publication Date |
---|---|
US94280A true US94280A (en) | 1869-08-31 |
Family
ID=2163757
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US94280D Expired - Lifetime US94280A (en) | Improvement in ferrules |
Country Status (1)
Country | Link |
---|---|
US (1) | US94280A (en) |
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0
- US US94280D patent/US94280A/en not_active Expired - Lifetime
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