US132790A - Improvement in bit-stocks - Google Patents

Improvement in bit-stocks Download PDF

Info

Publication number
US132790A
US132790A US132790DA US132790A US 132790 A US132790 A US 132790A US 132790D A US132790D A US 132790DA US 132790 A US132790 A US 132790A
Authority
US
United States
Prior art keywords
bit
stocks
improvement
brace
holding
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
Application number
Publication date
Application granted granted Critical
Publication of US132790A publication Critical patent/US132790A/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Images

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25G—HANDLES FOR HAND IMPLEMENTS
    • B25G1/00—Handle constructions
    • B25G1/005—Handle constructions for screwdrivers, wrenches or spanners with additional levers, e.g. for increasing torque
    • B25G1/007—Handle constructions for screwdrivers, wrenches or spanners with additional levers, e.g. for increasing torque of crank type
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23B—TURNING; BORING
    • B23B45/00—Hand-held or like portable drilling machines, e.g. drill guns; Equipment therefor
    • B23B45/06—Hand-held or like portable drilling machines, e.g. drill guns; Equipment therefor driven by man-power

Definitions

  • my invention consists in the devices for holding a bit-brace for boring at an angle firmly at the desired angle, as will be hereinafter more fully set forth.
  • a and B represent the two parts of the brace connected by a universal joint, 0, and the part B provided with a chuck, D, for holding the bit.
  • These parts may be constructed in any desired manner, as I do not confine myself to any particular construction of the same.
  • the cast-metal handle E near the upper end of which is a curved projecting arm, G, provided with a longitudinal rib, a, on its concave side.
  • a projecting arm, H From the opposite side of the handle E is another projecting arm, H, which is straight and forms a guard for the thumb of the operator to press against.
  • the brace may be set at any desired angle and fastened firmly by the thumb-nut d, so that there will be no trouble for the operator in holding it steady.
  • the arms G H need not be cast with the handle E, but may be made separate-that is, cast with a separate collar placed on the brace at the end of the handle. Neither is the rib a on the arm G absolutely necessary, as any suitable device may be employed for holding the arms G and J on each other.
  • This bit-brace may also be used for straight boring, the same as any ordinary brace.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Earth Drilling (AREA)
  • Drilling Tools (AREA)
  • Scissors And Nippers (AREA)

Description

Q. S. BACKUS.
Improvement in Bit-Stocks.
N0. 132,790 Pat ented N0v.5,1872.
Attorneys.
AMPHOTOLITHUGHAPHIC C0. NYJOSBGRNE S PROCESS.)
ATENT OFFICE.
QUIMBY S BAOKUS, OF MILLERS FALLS, MASSACHUSETTS.
IMPROVEMENT IN BIT-STOCKS.
Specification forming part of Letters Patent No. 132,790, dated November 5, 1872.
, drawing and to the letters of reference marked thereon making a part of this specification.
The nature of my invention consists in the devices for holding a bit-brace for boring at an angle firmly at the desired angle, as will be hereinafter more fully set forth.
In order to enable others skilled in the art to which my invention appertains to make and use the same, I will now proceed to describe its construction and operation, referring to the annexed drawing, in which- Figure l is a side view of my improved bitbrace, and Fig. 2 is an enlarged perspective view of thejoint in the same, with the devices for holding it firmly at the desired angle.
A and B represent the two parts of the brace connected by a universal joint, 0, and the part B provided with a chuck, D, for holding the bit. These parts may be constructed in any desired manner, as I do not confine myself to any particular construction of the same. On the part A is placed loosely the cast-metal handle E, near the upper end of which is a curved projecting arm, G, provided with a longitudinal rib, a, on its concave side. From the opposite side of the handle E is another projecting arm, H, which is straight and forms a guard for the thumb of the operator to press against. On the part B, immediately below the joint 0, is placed a loose collar, I,from
which extends a curved and slotted arm, J,
arm J is passed a screw,'c, which passes also through a hole in the outer end of the arm G,
and fastened on the outside thereof bya thumbnut, d.
By this means it will readily be seen that the brace may be set at any desired angle and fastened firmly by the thumb-nut d, so that there will be no trouble for the operator in holding it steady.
The arms G H need not be cast with the handle E, but may be made separate-that is, cast with a separate collar placed on the brace at the end of the handle. Neither is the rib a on the arm G absolutely necessary, as any suitable device may be employed for holding the arms G and J on each other.
This bit-brace may also be used for straight boring, the same as any ordinary brace.
Having thus fully described my invention, what I claim as new, and desire to secure by Letters Patent, is-
In combination with the bifurcated bitshanks A B, connected by the ball-joint G, the
curved arms G J and sct-screwc d for adjust ing and holding the bit-shank B on a straight line or at an angle from the bit-shank A, substantially in the manner as shown and described, and for the purposes herein set forth.
In testimony that I claim the foregoing I have hereunto set my hand this 28th day of August, 1872.
QUIMBY S. BAGKUS. Witnesses:
A. N. MARE, HARRY 0. Soon.
US132790D Improvement in bit-stocks Expired - Lifetime US132790A (en)

Publications (1)

Publication Number Publication Date
US132790A true US132790A (en) 1872-11-05

Family

ID=2202207

Family Applications (1)

Application Number Title Priority Date Filing Date
US132790D Expired - Lifetime US132790A (en) Improvement in bit-stocks

Country Status (1)

Country Link
US (1) US132790A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3064453A (en) * 1960-04-27 1962-11-20 Glenwood Minnewaska Sales Inc Universal joint
EP2664811A1 (en) * 2012-05-15 2013-11-20 Hamilton Sundstrand Corporation Articulable rotational coupling for an aircraft

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3064453A (en) * 1960-04-27 1962-11-20 Glenwood Minnewaska Sales Inc Universal joint
EP2664811A1 (en) * 2012-05-15 2013-11-20 Hamilton Sundstrand Corporation Articulable rotational coupling for an aircraft
US8910906B2 (en) 2012-05-15 2014-12-16 Hamilton Sundstrand Corporation Articulable rotational coupling for an aircraft

Similar Documents

Publication Publication Date Title
US132790A (en) Improvement in bit-stocks
US125642A (en) Improvement in bit-braces
US1232540A (en) Universal joint.
US2338437A (en) Dental instrument for boring, grinding, and like operations
US1534908A (en) Pipe reamer
US141475A (en) Improvement in carpenters gages
US921644A (en) Drill extension.
US209252A (en) Improvement in countersinks
US133151A (en) Improvement in weeding-hoes
US783895A (en) Bit-brace.
US472977A (en) Dividers
US151239A (en) Improvement in tool-handles
US790533A (en) Adjustable plane-handle.
US171255A (en) Improvement in angular bit-stocks
US641685A (en) Right-angled boring-bit brace.
US1240074A (en) Tooth-gage device for circular saws.
US684722A (en) Brace for auger-bits and augers.
US140291A (en) Improvement in hoes
US269754A (en) Adjusting device for tools
US1259777A (en) Tool-stock.
US187112A (en) Improvement in carpenters gages
US32618A (en) photo-lith o
US145894A (en) Improvement in hub-boring machines
US1128155A (en) Bearing-scraper.
US293013A (en) John e