US1061622A - Drilling-machine. - Google Patents

Drilling-machine. Download PDF

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Publication number
US1061622A
US1061622A US68484712A US1912684847A US1061622A US 1061622 A US1061622 A US 1061622A US 68484712 A US68484712 A US 68484712A US 1912684847 A US1912684847 A US 1912684847A US 1061622 A US1061622 A US 1061622A
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United States
Prior art keywords
shaft
head
spindle
stub
drilling
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Expired - Lifetime
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US68484712A
Inventor
George R Mellon
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Individual
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Priority to US68484712A priority Critical patent/US1061622A/en
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
    • B23Q1/00—Members which are comprised in the general build-up of a form of machine, particularly relatively large fixed members
    • B23Q1/03—Stationary work or tool supports
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B28—WORKING CEMENT, CLAY, OR STONE
    • B28D—WORKING STONE OR STONE-LIKE MATERIALS
    • B28D1/00—Working stone or stone-like materials, e.g. brick, concrete or glass, not provided for elsewhere; Machines, devices, tools therefor
    • B28D1/14—Working stone or stone-like materials, e.g. brick, concrete or glass, not provided for elsewhere; Machines, devices, tools therefor by boring or drilling
    • B28D1/143—Working stone or stone-like materials, e.g. brick, concrete or glass, not provided for elsewhere; Machines, devices, tools therefor by boring or drilling lens-drilling machines
    • 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
    • Y10T279/17128—Self-grasping
    • Y10T279/17171—One-way-clutch type
    • Y10T279/17188—Side detent
    • Y10T279/17196—Ball or roller
    • 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
    • Y10T408/00—Cutting by use of rotating axially moving tool
    • Y10T408/55—Cutting by use of rotating axially moving tool with work-engaging structure other than Tool or tool-support
    • Y10T408/561—Having tool-opposing, work-engaging surface
    • Y10T408/5614—Angularly adjustable surface

Definitions

  • My invention relates to improvements in drilling machines, and one object is to provide a simple, light and efficient drill which can be readily m'ounted on an ordinary worlrh bench for use.
  • One feature of the invention resides in a rot-ary table provided with work-holding members of different forms to accommodate different kinds of work.
  • yAnother feature ofthe invention resides in novel means for feeding the drill toward the table.
  • Figure l is a side elevation of my im- Fig. 2 is a rear elevation of the rotary table forming one of the important features of the invention.
  • Fig. 3 is an enlarged vertical section of a. head secured to the spindle of the machine.
  • Fig. 4 is a modified .form of rotary table, and, Fig. 5 is a vertical sectional view takenl through the rotary work holding table.
  • I employ a frame-1, having bearings 2 and 3 in which are journaled main and countershafts 4 and 5, respectively.
  • Main shaft 4 is provided with a ti ht pulley 6, a loose ulley 7 and a cone pulley 8, which latteris Xed to shaft 4 ⁇ and adapted, through the intermediacy of a belt (not shown) to drive a cone pulley 9 fixed upon the counter-shaft 5, which latter also, is provided'with a large fixed pulley ⁇ 10.
  • Pulley l0 drivesa flanged pulley 11 through the intermediacy ofabelt 12, runover idlers 13, mounted upon a stub- 14,c'arried by t-he upper rear portion of frame 1.
  • Pulley 11 is interposed between, a pair of vertical bearings' 15 in which a vertically-movable spindle 16 is journaled, ⁇ said spindle having' the customary grooveand-feature connection (not shown) with y the pulley,
  • ⁇ Spindle 16 is provided at its lower end with a suitable chuck 17 for holding drill 18, and said spindle 16 is adjusted toward a r0- tary table 19 through the intermediacy of a feed-lever 20, slidably-mounted in a fulcrum 21 on the uppei portion of frame 1.
  • Feed-lever 20 has a handle' 22 at one end and a curved extension 23 at its opposite end, which is'free to slide in fulcrum 21 and .permlt handle 22 to swing upward with a he'ad 24 having a cup 25 ⁇ restingr upon balls to spindle 1 7 by a transverse pin 28.
  • Head cup 25 do not rotate with the spindle 16, but on the contrary are held from rotation by a pair of trunnions 29 projecting laterally from opposite sides of said head 24'and engaged y the bifurcated portions 30 of the feed-lever 20.
  • Feed-lever 20 is held from lateral movement by the bifurcated upper end of a guide 31, fixed to the uppermost bearing 15.
  • Spindle 16 is normally held in raised position by a helical spring 32, interposed between the'uppermost bearing 15 and t-he lower terminal of head 24.
  • the rotary table 1 9 is journaled upon a stub-shaft 33 projecting from a cross-head 34 movably-mounted upon a vertical slideway 35 on frame 1.
  • Crosshead 34 is locked 4at any point of its adjustment on the slide- 24 and its i way 35 bv a screw 36 extending through a vertical slot 37 inframe 1 and provided at its rear end with a pivoted handle 38 where- Y by it may be'turned to loosen or tighten the crosshead.
  • Cross-head 34 is provided at its upper portion with a forwardly-projectto enter any ofthe holes 40, extendin through the rear circular end 41 of the ta le 19.
  • the rotary table 19 is prevented from accidentally moving forward out of engagement with stud 39 by a helical spring 42 embracing the forward reduced portion of stub-shaft 33, which is provided at its forward end with a head 43, to hold the spring 42 ,under compression against a washer 44 bearing against the front end of the tablev19.
  • Table 19 is prf vided 'at its forward portion with a plurality of radial work-holding members- 45, equal in number to the holes 40, and of different shape to accommodate various kinds of work.
  • the spindle 16 is driven at 'suitable speed and after the table.19 has been a justed vertically to accommodate the work to be operated upon, the drill is forced downv into engagement with the work by pressing downward upon the feed-lever 20.
  • the hand-lever is forced downward, friction between the non-rotary head 24 and the rotary spindle 16 is reduced to a minimum Mby the ball-bearinff 26 interposed between said head and spindle.
  • a coil springv ,surrounding ⁇ s aid projecting T l 2. in combination with a frame,' a crosshead connected to the frame, a rigid horizontal stub-shaft carried by the cross-head2 n a table slidably and rotatably YIrl/Quilted on the stub-shaft, means between the crosshead and thefinner end of the table to lock thel'attern Various positions to the crossliead, and spring means engaging the outer end of the -table to normally hold same against sliding movement.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Mining & Mineral Resources (AREA)
  • Drilling And Boring (AREA)

Description

G. R. MELLON. DRILLING MACHINE. APPLICATION FILED M1149, 1912.
1,061,622. Patented May v13, 1.913.
2 SHEETS-SHEET 1.
G. R. MBLLON.
DRILLING MACHINE. APPLIGATION FILED MAR.19, 1912. 1,061,622, Patented May13,1913.
- proved drilling machine.
Silit I GEORGE R. MELLON, OF KANSAS CITY, MISSOURI.
DRILLING-MAGHINE.
To all whom 'it may concern .4'
Be it known that I, GEORGE R. MELLoN, a citizen of thev United States, residing at Kansas City, in the county of Jackson and- State of Missouri, have invented certain new and useful' Improvements in Drilling-Machines, of which the -following is a specifcation.
My invention relates to improvements in drilling machines, and one object is to provide a simple, light and efficient drill which can be readily m'ounted on an ordinary worlrh bench for use.
One feature of the invention resides in a rot-ary table provided with work-holding members of different forms to accommodate different kinds of work.
yAnother feature ofthe invention resides in novel means for feeding the drill toward the table.
Other featuresof the invention will hereinafter appear, and in order that 'said inl vention may befully understood, reference will nowl be made to the accompanying drawings, in which:
Figure l is a side elevation of my im- Fig. 2 is a rear elevation of the rotary table forming one of the important features of the invention. Fig. 3 is an enlarged vertical section of a. head secured to the spindle of the machine. Fig. 4 is a modified .form of rotary table, and, Fig. 5 is a vertical sectional view takenl through the rotary work holding table.
In carrying out the invention I employ a frame-1, having bearings 2 and 3 in which are journaled main and countershafts 4 and 5, respectively. Main shaft 4 is provided with a ti ht pulley 6, a loose ulley 7 and a cone pulley 8, which latteris Xed to shaft 4`and adapted, through the intermediacy of a belt (not shown) to drive a cone pulley 9 fixed upon the counter-shaft 5, which latter also, is provided'with a large fixed pulley` 10. Pulley l0 drivesa flanged pulley 11 through the intermediacy ofabelt 12, runover idlers 13, mounted upon a stub- 14,c'arried by t-he upper rear portion of frame 1. Pulley 11 is interposed between, a pair of vertical bearings' 15 in which a vertically-movable spindle 16 is journaled,` said spindle having' the customary grooveand-feature connection (not shown) with y the pulley,
so that the same ma rotate said spindle without moving vertical y therewith.
Specification ofLetters Patent. applicati@ filed March 1s, 1912,
- `26 supported by a cone 27, secured ing stud 39adapted Patented May 13, 1913. Serial No. 684,847.
`Spindle 16 is provided at its lower end with a suitable chuck 17 for holding drill 18, and said spindle 16 is adjusted toward a r0- tary table 19 through the intermediacy of a feed-lever 20, slidably-mounted in a fulcrum 21 on the uppei portion of frame 1. Feed-lever 20 has a handle' 22 at one end and a curved extension 23 at its opposite end, which is'free to slide in fulcrum 21 and .permlt handle 22 to swing upward with a he'ad 24 having a cup 25` restingr upon balls to spindle 1 7 by a transverse pin 28. Head cup 25 do not rotate with the spindle 16, but on the contrary are held from rotation by a pair of trunnions 29 projecting laterally from opposite sides of said head 24'and engaged y the bifurcated portions 30 of the feed-lever 20. Feed-lever 20 is held from lateral movement by the bifurcated upper end of a guide 31, fixed to the uppermost bearing 15. Spindle 16 is normally held in raised position by a helical spring 32, interposed between the'uppermost bearing 15 and t-he lower terminal of head 24.
The rotary table 1 9 is journaled upon a stub-shaft 33 projecting from a cross-head 34 movably-mounted upon a vertical slideway 35 on frame 1. Crosshead 34 is locked 4at any point of its adjustment on the slide- 24 and its i way 35 bv a screw 36 extending through a vertical slot 37 inframe 1 and provided at its rear end with a pivoted handle 38 where- Y by it may be'turned to loosen or tighten the crosshead. Cross-head 34 is provided at its upper portion with a forwardly-projectto enter any ofthe holes 40, extendin through the rear circular end 41 of the ta le 19. The rotary table 19 is prevented from accidentally moving forward out of engagement with stud 39 by a helical spring 42 embracing the forward reduced portion of stub-shaft 33, which is provided at its forward end with a head 43, to hold the spring 42 ,under compression against a washer 44 bearing against the front end of the tablev19. Table 19 is prf vided 'at its forward portion with a plurality of radial work-holding members- 45, equal in number to the holes 40, and of different shape to accommodate various kinds of work. y
Inrpractice the spindle 16 is driven at 'suitable speed and after the table.19 has been a justed vertically to accommodate the work to be operated upon, the drill is forced downv into engagement with the work by pressing downward upon the feed-lever 20. When the hand-lever is forced downward, friction between the non-rotary head 24 and the rotary spindle 16 is reduced to a minimum Mby the ball-bearinff 26 interposed between said head and spindle. Vhen it is desired to raise the drill 18 from the work, it is onlynecessary to relieve the feed-'lever .20 of' -worlcholding member is brought into position, when the table is released to engage the stud 39, where it is reliably held bythe spring 42.
' shaft.' projecting be ond the front end of the Having thus described my invention lwhat I claim anddesire to secure by Letters Patent, is: n A t.
l. In combination with a frame, a, crosshead connected to theframe, a horizontal stub-shaft rigidly carried by the cross-head, a rigid stud carried by the cross-head, a
table slidable vand rotatable on said stubshaft and having a series of openings to receive said stud, the forward end of the stubtable andhaving n'abutment thereon, and
a coil springv ,surrounding `s aid projecting T l 2. in combination with a frame,' a crosshead connected to the frame, a rigid horizontal stub-shaft carried by the cross-head2 n a table slidably and rotatably YIrl/Quilted on the stub-shaft, means between the crosshead and thefinner end of the table to lock thel'attern Various positions to the crossliead, and spring means engaging the outer end of the -table to normally hold same against sliding movement.
8. In Combination with a frame,v a crosshead vconnected to the frame,.a horizontal stub-shaft rigidly secured at its rear end to said crosshead, a stud rigidly secured to the cross-head and projecting outwardly therefrom,` a table s'lidable and rotatable on said stub-shaft, said table having a rear circular enlarged end having a series of openings to receive saidy stud, the front end of said -stub shaft heingreduced in diameter and projecting beyond the front end of vthe table, a coil spring surrounding the reduced 'frontend of the stub-shaft and engaging 'the front end of the table,and a head` on. the extremity of said reduced end of thestub shaft 'engagingthe outer end ofsaid spring.
v In testimony whereof I aflix my signature,
in the presence of two witnesses.
'Y GEORGE YR'. MELLON.
Witnesses: 4' y E.' C. LILLIAN, F. G; F1sc`HER.-
US68484712A 1912-03-19 1912-03-19 Drilling-machine. Expired - Lifetime US1061622A (en)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2439965A (en) * 1943-01-09 1948-04-20 John A Cupler Drill press
US2524969A (en) * 1947-10-03 1950-10-10 Charles F Fairchild Welder's work holder
US20100232896A1 (en) * 2007-09-03 2010-09-16 Warren Brown Drill press
US10131024B2 (en) 2013-04-18 2018-11-20 Jonyt Meyer Rotatable interchangeable work surface mount

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2439965A (en) * 1943-01-09 1948-04-20 John A Cupler Drill press
US2524969A (en) * 1947-10-03 1950-10-10 Charles F Fairchild Welder's work holder
US20100232896A1 (en) * 2007-09-03 2010-09-16 Warren Brown Drill press
US10131024B2 (en) 2013-04-18 2018-11-20 Jonyt Meyer Rotatable interchangeable work surface mount

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