US217672A - Improvement in bit-braces - Google Patents
Improvement in bit-braces Download PDFInfo
- Publication number
- US217672A US217672A US217672DA US217672A US 217672 A US217672 A US 217672A US 217672D A US217672D A US 217672DA US 217672 A US217672 A US 217672A
- Authority
- US
- United States
- Prior art keywords
- bit
- sleeve
- brace
- ratchets
- collar
- 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
- 102100000672 SMPX Human genes 0.000 description 4
- 108060007673 SMPX Proteins 0.000 description 4
- 230000000875 corresponding Effects 0.000 description 4
- USSIQXCVUWKGNF-UHFFFAOYSA-N Methadone Chemical compound C=1C=CC=CC=1C(CC(C)N(C)C)(C(=O)CC)C1=CC=CC=C1 USSIQXCVUWKGNF-UHFFFAOYSA-N 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000000630 rising Effects 0.000 description 2
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B15/00—Screwdrivers
- B25B15/02—Screwdrivers operated by rotating the handle
- B25B15/04—Screwdrivers operated by rotating the handle with ratchet action
-
- 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
- Y10T279/17761—Side detent
- Y10T279/17821—Set screw
Definitions
- This invention relates to that class of bitbraces which are provided with a ratchet-movement, whereby the bit is enabled to be operated by repeated partial rotations ofthe stock and brace in places where a complete rotation of the brace cannot be had.
- the invention consists, iirst, in providing the bit-stock with a sliding spring-socket for readily centering the bit and supporting the inner end ofthe tang; also, in combining with the ratchet mechanism of the bit-stock a sliding ⁇ spring-socket, in which the end of the bit-tang is received, and whereby the bit is enabled to be more easily operated; also, in combining with the ratchet mechanism of the bit-stock a device for locking the parts together, so as to prevent the ratchet from operating, and enabling the brace to be used like an ordinary rigid brace, as will be hereinafter fully set forth.
- Figure 1 is a sectional elevation of a bit-stock provided with my improvements, with the locking device released, so as to permit the ratchets to operate.
- Fig. 2 is a similar view with the locking device applied.
- Fig. 3 is a detached view of the end of the brace with the surrounding parts removed.
- Fig. 4 is an end view thereof.
- Fig. 5 is an end view of the bit-stock.
- Fig. 6 is a detached view of the sliding bearing.
- A represents the end of the brace to which the bit-stock is secured
- B is a collar or enlargement secured to the portion A of the brace at a short distance from its end, as clearly shown, and provided with teeth or ratchets b b', formed in both the upper and lower faces of the collar B.
- the C is a sleeve or hollow cylinder, inclosing the collar B and forming the body of the bitstock.
- the sleeve C is provided, above the collar B, with a contracted portion, d, having ratchets or teeth d' formed in its lower side, for engagement with the teeth b of the collar B,
- th-e sleeve C is provided with a cavity
- f made square in cross-section, and having secured in its end a square bearing, g, for holding the outer portion of the tang H of the bit.
- i is a square bearing arranged in the cavity f of the sleeve C, so as to slide therein, and having a square perforatiomj, for the reception of the inner end of the tang H.
- the spring c bears against this sliding bearing fi, and tends to hold the same away from the end of the bitbrace A, or near the outer fixed bearing, g.
- the device for securing the bit in the stock consists of a hollow sleeve, lc, secured laterally to the sleeve C, immediately in the rear of the outer fixed bearing, g,- a chisel, l, arranged within the sleeve k, so as to bear with its edge against the corner of the tang 5 and a screw-cap,m, engaging with an exterior screwthread on the sleeve 1c, so as to press the chisel l against the tang of the bit, as fully described in Letters Patent No. 201,379, granted to me March 19,1878. Any other suitable fastening device may, however, be used, if preferred.
- N is a sleeve arranged on the end A of the brace, below the ratchet-collar B, and u are teeth formed in the upper side of the sleeve N, to engage with the ratchets or teeth b on the lower side of the collar B.
- the sleeve N is provided with an exterior screw-thread, which engages in an internal screw-thread formed in the lower portion of the sleeve C, for connecting the sleeves O and N together.
- o is a set-screw passed through the sleeves G and N, to prevent the same from becoming separated or working loose in using the brace.
- the ratchets d and n are arranged at such a distance apart that when one set is thrown in engagement with the corresponding set of ratchets on the collar B the other set will be free, thus enabling the operator to use the brace either to the right or left, as may be most convenient.
- P is a screw-sleeve arranged loosely on the portion A of the brace, and provided with an internal screw-thread, corresponding with the thread on the sleeve N.
- q is a stop secured to the end A of the brace Within the sleeve l?
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Joining Of Building Structures In Genera (AREA)
Description
,0. H. AMIDON.
Bit-Brace.
No. 217,672. Patented July 22,1879.
@w ,Zia/venan III llll
UNITED STATES PATENT OFFICE.
CHARLES H. AMIDON, OF BUFFALO, NEW YORK.
IMPROVEMENT IN BIT-BRACES.
Speciiication forming part of Letters Patent No. 217,672, dated July 22, 1879; application filed December 9, 1878.
To all whom it lmay concern:
Be it known that I, CHARLES H. AMIDON, ofthe city of Buffalo, in the county of Erie, in the State of New York, have invented new and useful Improvements in Bit-Braces, of which the following is a specification, reference being had to the accompanying drawings.
This invention relates to that class of bitbraces which are provided with a ratchet-movement, whereby the bit is enabled to be operated by repeated partial rotations ofthe stock and brace in places where a complete rotation of the brace cannot be had.
The invention consists, iirst, in providing the bit-stock with a sliding spring-socket for readily centering the bit and supporting the inner end ofthe tang; also, in combining with the ratchet mechanism of the bit-stock a sliding` spring-socket, in which the end of the bit-tang is received, and whereby the bit is enabled to be more easily operated; also, in combining with the ratchet mechanism of the bit-stock a device for locking the parts together, so as to prevent the ratchet from operating, and enabling the brace to be used like an ordinary rigid brace, as will be hereinafter fully set forth.
In the accompanying drawings, Figure 1 is a sectional elevation of a bit-stock provided with my improvements, with the locking device released, so as to permit the ratchets to operate. Fig. 2 is a similar view with the locking device applied. Fig. 3 is a detached view of the end of the brace with the surrounding parts removed. Fig. 4 is an end view thereof. Fig. 5 is an end view of the bit-stock. Fig. 6 is a detached view of the sliding bearing.
Like letters of reference design ate like parts in each of the iigures.
A represents the end of the brace to which the bit-stock is secured, and B is a collar or enlargement secured to the portion A of the brace at a short distance from its end, as clearly shown, and provided with teeth or ratchets b b', formed in both the upper and lower faces of the collar B.
C is a sleeve or hollow cylinder, inclosing the collar B and forming the body of the bitstock. The sleeve C is provided, above the collar B, with a contracted portion, d, having ratchets or teeth d' formed in its lower side, for engagement with the teeth b of the collar B,
and a cylindrical bore or cavity for the reception of a spiral spring, e. The upper or outer end of th-e sleeve C is provided with a cavity,
f, made square in cross-section, and having secured in its end a square bearing, g, for holding the outer portion of the tang H of the bit. i is a square bearing arranged in the cavity f of the sleeve C, so as to slide therein, and having a square perforatiomj, for the reception of the inner end of the tang H. The spring c bears against this sliding bearing fi, and tends to hold the same away from the end of the bitbrace A, or near the outer fixed bearing, g.
The device for securing the bit in the stock consists of a hollow sleeve, lc, secured laterally to the sleeve C, immediately in the rear of the outer fixed bearing, g,- a chisel, l, arranged within the sleeve k, so as to bear with its edge against the corner of the tang 5 and a screw-cap,m, engaging with an exterior screwthread on the sleeve 1c, so as to press the chisel l against the tang of the bit, as fully described in Letters Patent No. 201,379, granted to me March 19,1878. Any other suitable fastening device may, however, be used, if preferred.
N is a sleeve arranged on the end A of the brace, below the ratchet-collar B, and u are teeth formed in the upper side of the sleeve N, to engage with the ratchets or teeth b on the lower side of the collar B. The sleeve N is provided with an exterior screw-thread, which engages in an internal screw-thread formed in the lower portion of the sleeve C, for connecting the sleeves O and N together. o is a set-screw passed through the sleeves G and N, to prevent the same from becoming separated or working loose in using the brace.
The ratchets d and n are arranged at such a distance apart that when one set is thrown in engagement with the corresponding set of ratchets on the collar B the other set will be free, thus enabling the operator to use the brace either to the right or left, as may be most convenient.
In inserting the bit into the stock the inner end of the tang is received in the sliding bearing z', whereby it is centered at once and prevented from becoming displaced when the fastening device is tightened. The spring e tends to throw the lower ratchets, n, in engagement with the ratchets b', while the pressure on the bit in rising the brace has the effect to cause the upper ratchets, d', to mesh withthe ratch ets b. By sliding the sleeve (l forward or backward either pair of ratchets can be thrown in engagement and the bit operated to the right or left, while by giving the sleeve G an intermediate position neither set of ratchets is engaged, and the brace can be turned back without turning the bit.
P is a screw-sleeve arranged loosely on the portion A of the brace, and provided with an internal screw-thread, corresponding with the thread on the sleeve N. q is a stop secured to the end A of the brace Within the sleeve l?,
v so that when the latter is screwed to the lower end of the sleeve N the lower contracted portion of the sleeve P will shear against the stop q, and thereby cause the sleeve l? to draw the sleeve C tightly against the ratchet-collar B,
wh ereby the ratchets are prevented from op erating and the bit-stock rendered rigid, permitting the brace to be used like an ordinary rigid brace.
I claim as my inventionl. The combination, with the sleeve C, of the Xed end bearing,g, sliding bearing i, having a perforation, j, and spring c, substantially as and for the purpose set forth. 2. The combination, with the brace A, provided with ratchet-collar B, of the sleeve C, provided with ratchets d n, Xed bearing g, sliding perforated bearing t', and spring c, substantially as and for the purpose set forth.
3. The combination, with the brace A, provided with ratchet-collar B and stop q, of the sleeve C, provided with ratchets d', screwsleeve N, having ratchets n, and screw-sleeve P, substantially as and `for the purpose set forth.
CHARLES H. AMIDON.
Witnesses:
JN0. J. BONNER, OHAs. J. BUcrrHErr.
Publications (1)
Publication Number | Publication Date |
---|---|
US217672A true US217672A (en) | 1879-07-22 |
Family
ID=2287074
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US217672D Expired - Lifetime US217672A (en) | Improvement in bit-braces |
Country Status (1)
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US (1) | US217672A (en) |
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0
- US US217672D patent/US217672A/en not_active Expired - Lifetime
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