US1130112A - Tool-grinder. - Google Patents

Tool-grinder. Download PDF

Info

Publication number
US1130112A
US1130112A US79665613A US1913796656A US1130112A US 1130112 A US1130112 A US 1130112A US 79665613 A US79665613 A US 79665613A US 1913796656 A US1913796656 A US 1913796656A US 1130112 A US1130112 A US 1130112A
Authority
US
United States
Prior art keywords
shaft
grinder
axle
grinding wheel
tool
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
US79665613A
Inventor
Paul Schmidt
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to US79665613A priority Critical patent/US1130112A/en
Application granted granted Critical
Publication of US1130112A publication Critical patent/US1130112A/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Images

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23D—PLANING; SLOTTING; SHEARING; BROACHING; SAWING; FILING; SCRAPING; LIKE OPERATIONS FOR WORKING METAL BY REMOVING MATERIAL, NOT OTHERWISE PROVIDED FOR
    • B23D63/00—Dressing the tools of sawing machines or sawing devices for use in cutting any kind of material, e.g. in the manufacture of sawing tools
    • B23D63/08—Sharpening the cutting edges of saw teeth
    • B23D63/12—Sharpening the cutting edges of saw teeth by grinding
    • B23D63/14—Sharpening circular saw blades

Definitions

  • My invention relates to tool grinding machines and, particularly, to grinders for grinding toothed cutting tools, and a primary object is to provide a grinder in which the movement of the rotating grinding wheel relatively to the work piece is caused by the axle which carries the grinding Wheel being mounted eccentrically or slantwise in a shaft so that when the latter rotates the grinding wheel is moved bodily relatively to the workpiece and is moved toward and away from the same.
  • FIG. l is an elevation of a grinder for grinding saw-blades
  • Fig. 2 is a horizontal section thereof
  • Fig. 3 is a diagram showing the eccentrically mounted grinding-wheel axle and the reciprocatory motion of the grinding wheel produced thereby.
  • the grinding wheel a is fast on the axle b which, in the illustrative embodiment, is eccentrically jcurnaled in the shaft 0.
  • the axle Z) is driven by the belt-pulley (Z and the shaft 0 by the belt-pulley e.
  • the grinding wheel a being mounted eccentrica-lly, during each revolution of the shaft 0 the grinding wheel must move once to and fro, and this movement suffices to cause the same to enter into the gaps between the teeth of the saw-blade 7 and to grind the teeth.
  • the shaft 0 also causes Copies of this patent may be obtained for Specification of Letters Patent.
  • the one end of this shaft is formed as a cam g.
  • This cam occupies such a position relatively to the eccentric bore in the shaft that the saw-blade is fed forward while the grinding wheel is farthest thereirom.
  • the motion of th cam g is transmitted by the anti-friction roller h to the lever 11 which is fuicrumed at one end on the pivot k and carries at its other end a braking spring Z which drives the saw-blade in the direction indicated by the ar'ow
  • the spring 0 holds the roller it of the lever t' constantly in contact with the cam g of the controlling shaft 0.
  • the saw-blade rotates freely on the pin 7) of the carrier 1" which can be shifted on the rod 8.
  • A. tool grinder comprising a shaft, an axle journaled eccentrically in said shaft, a grinding wheel carried by said axle, means for driving said shaft, and means for independently driving the axle of the grinding wheel.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)

Description

P. SCHMIDT.
TOOL GRINDER.-
APPLICATION FILED 001222, 1913.
Patented Mar. 2, 1915.
NORRIS PETERS CO PHOTQLITHOV, WASHINGTON, L C.
.llTE S3TATE PATENT QEFKQEQ PAUL SCHMIDT, 0F VIENNA, AUSTRIA-HUNGARY.
TOGL GRINDER.
To all whom it may concern:
Be it known that 1, PAUL SCHMIDT, managing director, a subject of the King of Prussia, and a resident of 30 Ybbsstrasse, Vienna, 11, in the Empire of Austria-Hungary, iave invented a Tool-Grinder; and I do hereby declare the following to be a full, clear, and exact description of the invention, such as will enable others skilled in the art to which it appertains to make and use the same.
My invention relates to tool grinding machines and, particularly, to grinders for grinding toothed cutting tools, and a primary object is to provide a grinder in which the movement of the rotating grinding wheel relatively to the work piece is caused by the axle which carries the grinding Wheel being mounted eccentrically or slantwise in a shaft so that when the latter rotates the grinding wheel is moved bodily relatively to the workpiece and is moved toward and away from the same.
To this end, my invention consists in the construction, arrangement and combination of parts described hereinafter and pointed out in the claims.
One embodiment of my invention is represented by way of example in the accompanying drawing, wherein Figure l is an elevation of a grinder for grinding saw-blades, Fig. 2 is a horizontal section thereof, and Fig. 3 is a diagram showing the eccentrically mounted grinding-wheel axle and the reciprocatory motion of the grinding wheel produced thereby.
Referring to the drawing, the grinding wheel a is fast on the axle b which, in the illustrative embodiment, is eccentrically jcurnaled in the shaft 0. The axle Z) is driven by the belt-pulley (Z and the shaft 0 by the belt-pulley e. In consequence of the grinding wheel a being mounted eccentrica-lly, during each revolution of the shaft 0 the grinding wheel must move once to and fro, and this movement suffices to cause the same to enter into the gaps between the teeth of the saw-blade 7 and to grind the teeth. I provide that the shaft 0 also causes Copies of this patent may be obtained for Specification of Letters Patent.
Patented Mar. 2, 1915,
Application filed flctober 22, 1913. Serial No. 796,656.
he saw-blade f to be rotated. To this end, the one end of this shaft is formed as a cam g. This cam occupies such a position relatively to the eccentric bore in the shaft that the saw-blade is fed forward while the grinding wheel is farthest thereirom. The motion of th cam g is transmitted by the anti-friction roller h to the lever 11 which is fuicrumed at one end on the pivot k and carries at its other end a braking spring Z which drives the saw-blade in the direction indicated by the ar'ow When the lever rocks back the saw-blade is held by the locking spring we while the breaking spring Z slides over the saw-blade. The spring 0 holds the roller it of the lever t' constantly in contact with the cam g of the controlling shaft 0. The saw-blade rotates freely on the pin 7) of the carrier 1" which can be shifted on the rod 8.
l/Vhat I claim as my invention and desire to secure by Letters Patent is:
1. A. tool grinder comprising a shaft, an axle journaled eccentrically in said shaft, a grinding wheel carried by said axle, means for driving said shaft, and means for independently driving the axle of the grinding wheel.
2. In a tool grinder, the combination of a shaft having an eccentric bore longitudinally through the same, an axle in said bore, a grinding wheel on the axle, and workpiece feed-mechanism actuated by said shaft, substantially as described.
3. In a tool grinder, the combination of a shaft having an eccentric bore longitudinally through the same, an axle in said bore, a grinding wheel on the axle, one end of the shaft constituting a cam, and workpiece feed-mechanism actuated by said cam, substantially as described.
In testimony whereof I have signed my name to this specification in the presence of two subscribing witnesses:
PAUL SCHMIDT.
Witnesses FRANZ Rnirnn, KARL RnHMs.
five cents each, by addressing the Commissioner of Patents,
Washington, D. G."
US79665613A 1913-10-22 1913-10-22 Tool-grinder. Expired - Lifetime US1130112A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
US79665613A US1130112A (en) 1913-10-22 1913-10-22 Tool-grinder.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US79665613A US1130112A (en) 1913-10-22 1913-10-22 Tool-grinder.

Publications (1)

Publication Number Publication Date
US1130112A true US1130112A (en) 1915-03-02

Family

ID=3198242

Family Applications (1)

Application Number Title Priority Date Filing Date
US79665613A Expired - Lifetime US1130112A (en) 1913-10-22 1913-10-22 Tool-grinder.

Country Status (1)

Country Link
US (1) US1130112A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2679171A (en) * 1951-12-13 1954-05-25 Rosenlund Nils Saw sharpening device
US5333518A (en) * 1993-06-16 1994-08-02 Earl Shriver Saw blade sharpening apparatus

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2679171A (en) * 1951-12-13 1954-05-25 Rosenlund Nils Saw sharpening device
US5333518A (en) * 1993-06-16 1994-08-02 Earl Shriver Saw blade sharpening apparatus

Similar Documents

Publication Publication Date Title
US1323452A (en) Stttabt a
US2363482A (en) Twist drill grinder
US1130112A (en) Tool-grinder.
US1051153A (en) Automatic side dresser for circular saws.
US315715A (en) Assigsoe to the american
US565644A (en) Grinding-machine
US1999435A (en) Valve grinder dressing tool
US1314154A (en) Grlnding-machine
US418790A (en) Saw-sharpening machine
US512545A (en) Tool-grinder
US704348A (en) Grinding-machine.
US672557A (en) Grinding-machine.
US460312A (en) Jakob schweizer
US519893A (en) Saw-grinding machine
US984777A (en) Wheel-cutting machine.
US557825A (en) Grinding and polishing machine
US250665A (en) Knife-grinding machine
US257400A (en) Tool-holder
US1909953A (en) Grinding machine
US1395394A (en) Mechanism for truing and dressing grinding-wheels
US1261192A (en) Ratchet mechanism.
US921343A (en) Grinding-machine.
GB190823609A (en) Improvements in Twist-drill Grinding Machines.
US118482A (en) Improvement in machines for grinding circular saws
GB572988A (en) Improvements in and relating to machines for generating conical or pyramidal points,forms or facets for diamonds or other stones and the like