US1235314A - Machine-tool-controlling mechanisms. - Google Patents
Machine-tool-controlling mechanisms. Download PDFInfo
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- US1235314A US1235314A US80529413A US1913805294A US1235314A US 1235314 A US1235314 A US 1235314A US 80529413 A US80529413 A US 80529413A US 1913805294 A US1913805294 A US 1913805294A US 1235314 A US1235314 A US 1235314A
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- Prior art keywords
- shaft
- spindle
- gear
- frame
- driving
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H3/00—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion
- F16H3/02—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion
- F16H3/16—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion essentially with both gears that can be put out of gear and continuously-meshing gears that can be disengaged from their shafts
-
- 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
- Y10T74/00—Machine element or mechanism
- Y10T74/19—Gearing
- Y10T74/19219—Interchangeably locked
- Y10T74/19242—Combined gear and clutch
Definitions
- WITNESSES h 4 0 W INVENTOB G; E. HALLENBECK.
- Thisinvention relates to features of operation and control incorporated in ma chines.
- This invention has utility when embodied in power driven machines for drilling and boring.
- Figure 1 is a front view of an embodiment of the invention in a machine tool
- Fig. 2 is a plan view of the driving connection for rotating the holder shaft
- Fig. 3 is a side elevation from the right of the showing in Fig. 1;
- Fig. 4 is a side elevation from the left of the showing in Fig. 1;
- Fig. 5 is a detail view of the actuator or hand lever for shifting the gears to cause speed changes
- Fig. 6 is a plan view, with parts broken away, of the compound table
- Fig. 7 is a fragmentary view of the holder feed speed change mechanism
- Fig. 8 is a fragmentary view of another speed change mechanism for the holder feed 7 u n a Fig. 9 1s a detail of transmission elements in the holder feed to take care of unusual resistance to feeding of the holder;
- Fig. 10 is a plan view of the guide for the actuator hand lever of Fig. 5.
- the bevel gear 6 (Fig. 4) in mesh with the bevel gear 7 on the shaft section having fast therewith the gear 8 in mesh with the gear 9 on the parallel sleeve or shaft section 10, which also has fast therewith the gear 11.
- the disk 12 may be grasped to IGCIPI'O cate the shifting element 13 having the fork 14 embracing the gear 15 having fast therewith the clutch 16.
- the gear 15 and clutch 16 are splined on the shaft 17 alined with V the shaft section carrying the gears 7, 8.
- the shaft 17 is driven at a higher speed than when the gear 15 is shifted to be in mesh with the gear 11.
- the shaft 17 has distributed therealong bearings 18 to insure easy running at any position of transmission strain.
- a bearing 18 is disposed between the pairs of gears 19, 20, and 21, 22, fast on the shaft 17.
- the actuator 23 is a convenient controller.
- This hand lever 23 has the rocking bearing 24 to permit oscillation toward and from the machine gear housing 5, and the fulcrum bearing 25 to permit oscillation transversely as to the front of the machine.
- the hand lever 23 carries the studs or pins 26, 27. By rocking the hand lever 23 upon its bearing 25 (Figs. 1, 3, 4, 5), the stud 27 may engage the shifting element 28, and then oscillation of this hand lever 23 on its bearing 24 may reciprocate the shifting element 28 so that its fork 29 may move the gears 30, 31, splined on the shaft 32, to drive the shaft 32 respectively from the gears 19, 20 on the shaft 17.
- a second pair of shiftable members or gears may be actuated by rocking the hand lever 23 to cause the stud 26 to engage the shifting element 33 carrying the fork 34 embracing the pair of gears 35, 36 splined on the shaft 32 and movable respectively to mesh with the gears 21, 22.
- the rotation of the shaft 32 is at slower speed as the driving connection approaches the gear 22.
- the shaft 32 (Fig. 4) carries the bevel gear 37 in mesh with the bevel gear 38 on the shaft 39 which carries the pinion 41 (Fig. 2) in mesh with the gear 42 on the holder shaft 43. These shafts are carried by the machine tool frame 40.
- variable speed drive may bring about eight speeds of rotation of the holder shaft 43 carrying the holder 44 for the working tool 45.
- the lower portion of the vertical shaft 39 carries the bevel gear 46 (Fig. 4) in mesh with the bevel gear 47 on the shaft 48 having fast thereon the gears 49, 50, 51, respectively in mesh with the loose gears 52, 53, 54, on the sleeve (Fig. 7).
- the plate 56 On the side of the frame 40 adjacent the position of the operator is the plate 56, having stop posishaft 78.
- the shaft '78 has on its opposite end (Fig. 3) the bevel gear 81 in mesh with the gear 82 on the sleeve 83 (Fig. 8) carrying the pinion 8st.
- the pinion S1 is in mesh with the gear 85 on the countershaft 86 which also carries the gear '87 in mesh with the gear 88 loose on the sleeve 89.
- the pinion S or the gear 88 may be keyed to the sleeve 89 by the dog (ll by grasping the disk 90 and reciprocating the shaft 6?). This is a second variable speed drive in the transmission from the shaft 39.
- the compound table upon which the work may be accurately positioned and shifted quickly and conveniently is the compound table upon which the work may be accurately positioned and shifted quickly and conveniently.
- the front of the machine Mounted on the first table section 99 for adjustment toward and from the machine frame 10 is the second ad ustable table section 105.
- This section carries the shaft 106 (Fig. 6) which may be released for rota-.
- the section 105 carries the shaft 115 which may be released for ro tation by disconnecting the collar 116.
- R0- tation of the shaft 115 by the hand wheel 11'? in its inner bearing 118 carried by the section 105 drives the.bevel gear 119 in mesh with the bevel gear. 120 also in the bearing 118. coaction with the screw. shaft 121.
- This shaft 121 may be locked from rotation as to the section lit by the clutch collars 122. ll hen this shaft has its clutch collars disconnected, adjustment of the section 11% may be had by rotating the shaft 121 by a wrench or crank, with the shaft 115 locked. With the shaft 121 locked, and the clutch 116. released, adjustment of the section 114 may be readily effected from the hand wheel 11'4'.
- the actuator 23 is guided in its double rockings by the plate 124. having the way 125, for holding the pin 27 in engagementwith the shifting element 28, the way 126, for holding the pin in engagement with the shifting element
- the intermediate way 127 (Fig. 10) precludes disconnection of the hand lever from a shifting element until the shifting elements are in central disconnected position.
- control mechanisms are all adjacent the front of the machine where the operator may best observe the work and control the machine in handling such work.
- This bevelgear 120 has nut initial placing and adjustment of work, and without changing his position, the operator may connect the machine up for driving, by the disk actuator 12 and hand lever actuator 23. Change of speed through these actuators may preserve proportional feed rate for the holder as to the rotation drive of the holder.
- the proportional feed rate for the holder may have the wide range permitted by the two variable speed mechanisms controllable through the crank arm actuator 60 and the disk actuator 90. Settings of the holder for feed operation may be conveniently made and quickly by the arms 95 and the hand wheel 91, the latter for closer work. Should the feed rate selected be excessive, to the point of endangering the transmis sion, or should extreme hardness or other unusual resistance be met in the feed travel of the holder, slippage is permitted at the frictional holding of the transmission element 74:.
- a special feature of utility of the machine disclosed is its ready adaptation for finishing work, for instance in drilling the particular speed may be given the drill for which the material will best care and the feed rate therefor. With this much of the problem solved the rough drilling done, reaming may occur by merely changing tools and then the handle or disk 90 may be grasped and the feed speeded up by pulling the dog 6% into driving engagement through the chain of gears 84, 85, 87, 88. This increased speed may be the proportional higher rate conditions will stand for reaming as against the drilling and involves no working out of the complexities as to the main variable speed driving gears or the variable speed driving gears in the feeding mechanism including the gears 49, 50, 51, 52, 53, B l. This is a, feature having considerable merit in practice for these two main variable speed driving trains may be left undisturbed and still the maximum utility simply attained upon introduction of the reamer by the single operation of the disk 90.
- a machine tool embodying a frame, a rotary spindle reciprocable in said frame, and spindle driving means including a nonreciprocable shaft laterally of the spindle, a pair of shafts extending away from the spindle, and variable speed gearing between the pair of shafts.
- a machine tool embodying a frame, a
- spindle rotation driving means includ ing a non-reciprocable shaft laterally of the spindle, a palr of shafts extending away from the spindle, and variable speed gearing between the pair of shafts.
- a machine tool embodying a frame, a rotary spindle reciprocable in said frame, spindle rotation driving means, and extend ing therefrom, spindle reciprocation driving means including a pair of shafts extending away from the spindle, and variable speed gearing between said shafts.
- a machine tool embodying a frame, a rotary spindle reciprocable in said frame, and spindle rotation and reciprocation driving means, said rotating driving means including a pair of shafts extending away from the spindle and said reciprocation driving means also including a separate pair of shafts extending away from the spindle, and variable speed gearing therebetween.
- a machine tool embodying a frame, a vertical spindle in said frame, a pair of parallel shafts extending away from said spindle, variable speed gearing between said shafts, and connections from one of said shafts independently of through the spindle for varying the feed travel of said spindle.
- a machine tool embodying a frame, a vertical spindle in said frame, a pair of horizontal parallel shafts extending away from said spindle, variable speed gearing between said shafts, and connections from one of said shafts independently of through the spindle for varying the feed travel of said spindle.
- a machine tool embodying a frame, a horizontal driving shaft in said frame, a vertical spindle spaced therefrom, parallel shafts extending from adjacent the spindle toward the driving shaft, variable speed gearing between said shafts, and driving connection from one of said shafts independently of through the spindle for varying the feed travel of said spindle.
- a machine tool embodying a frame, a drill spindle insaid frame, a spindle rotation actuating shaft adjacent said spindle and parallel thereto, and spindle feeding mechanism actuable from said shaft.
- a machine tool embodying a frame, a drill spindle in said frame, a spindle rotation actuating shaft adjacent said spindle and parallel thereto, parallel shafts extending from said shaft, and variable speed gearing between said parallel shafts, said parallel shafts being connected to vary the feed travel of the spindle.
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Structure Of Transmissions (AREA)
Description
G. E. HALLENBECK.
MACHINE TOOL CONTROLLING MECHANISMS.
APPLICATION FILED 050.8.1913.
1 235,3 1 Patented July 31, 1917.
4 SHEETSSHET 1.
WITNESSES: h 4 0 W INVENTOB G; E. HALLENBECK.
MACHiNE TOOL CONTROLLING MECHANISMS.
APPLICATION HLED DEC.8, I913.
4 SHEETSSHEET 2.
WITNESSES: INVENTOI? A TTOHNEY G. E, HALLENBECK.
MACHINE TOOL CONTROLLING MECHANISMS.
APPLICATION FILED DEC.. HHS.
7n 1 11 W a B 6 U 0 I. O Y 1 a a 8 mm 0 fir E 7' 75 A! I! O m T 11 5 Y H o H F. 3 3 l d w. 9 w I 7 4 H lmb 4 3 M G4 4 5 0 H 4 8 4 v w 1 4 a a m 4 P [I 1 w I! l ll! I I 5 a 1 H P w 4?. 3 2 fi 4 w? d 8 9 FIE-El A TTOHIIEV G. E. HALLENBECK.
MACHINE TOOL CONTROLLING MECHANISMS.
I APPLICATION FILED DEC.8\19I3 Patented J uly 31, 1917.
4 SHEETS-SHEET 4.
IN I/E N TOR /flmm BY ,/f If I TTORNEY nan s'rnrns PATENT ornron.
GEORGE E. HALLENBECK, OF TOLEDO, OHIO, ASSIGNOR T0 BAKER BROTHERS, 0F TOLEDO, OHIO.
MAOHINE-TOOL-CONTEOLLING MECHANISMS.
Application filed December 8, 1913.
To all whom it may concern:
Be it known that I, GEORGE E. HALLnN' BECK, a citizen of the United States, res ding at Toledo, Lucas county, Ohio, have mvented new and useful Machine-Tool-Controlling Mechanisms, of which the following is a specification.
Thisinvention relates to features of operation and control incorporated in ma chines.
This invention has utility when embodied in power driven machines for drilling and boring.
Referring to the drawings:
Figure 1 is a front view of an embodiment of the invention in a machine tool;
Fig. 2 is a plan view of the driving connection for rotating the holder shaft;
Fig. 3 is a side elevation from the right of the showing in Fig. 1;
Fig. 4 is a side elevation from the left of the showing in Fig. 1;
Fig. 5 is a detail view of the actuator or hand lever for shifting the gears to cause speed changes;
Fig. 6 is a plan view, with parts broken away, of the compound table;
Fig. 7 is a fragmentary view of the holder feed speed change mechanism;
Fig. 8 "is a fragmentary view of another speed change mechanism for the holder feed 7 u n a Fig. 9 1s a detail of transmission elements in the holder feed to take care of unusual resistance to feeding of the holder; and
Fig. 10 is a plan view of the guide for the actuator hand lever of Fig. 5.
The driving belt 1, when shifted from the loose pulley 2 serves to rotate the pulley 3 fast on the shaft 4 mounted in the gear housing 5. On the inner portion of this shaft 4 is mounted the bevel gear 6 (Fig. 4) in mesh with the bevel gear 7 on the shaft section having fast therewith the gear 8 in mesh with the gear 9 on the parallel sleeve or shaft section 10, which also has fast therewith the gear 11.
To connect up the machine tool for driving, the disk 12 may be grasped to IGCIPI'O cate the shifting element 13 having the fork 14 embracing the gear 15 having fast therewith the clutch 16. The gear 15 and clutch 16 are splined on the shaft 17 alined with V the shaft section carrying the gears 7, 8.
Specification of Letters Patent.
Patented July 31, 1917.
Serial No. 805,294.
nection to the shaft section carrying the gear 8, the shaft 17 is driven at a higher speed than when the gear 15 is shifted to be in mesh with the gear 11.
The shaft 17 has distributed therealong bearings 18 to insure easy running at any position of transmission strain. A bearing 18 is disposed between the pairs of gears 19, 20, and 21, 22, fast on the shaft 17.
For additional variable speed driving, the actuator 23 is a convenient controller. This hand lever 23 has the rocking bearing 24 to permit oscillation toward and from the machine gear housing 5, and the fulcrum bearing 25 to permit oscillation transversely as to the front of the machine. The hand lever 23 carries the studs or pins 26, 27. By rocking the hand lever 23 upon its bearing 25 (Figs. 1, 3, 4, 5), the stud 27 may engage the shifting element 28, and then oscillation of this hand lever 23 on its bearing 24 may reciprocate the shifting element 28 so that its fork 29 may move the gears 30, 31, splined on the shaft 32, to drive the shaft 32 respectively from the gears 19, 20 on the shaft 17. A second pair of shiftable members or gears may be actuated by rocking the hand lever 23 to cause the stud 26 to engage the shifting element 33 carrying the fork 34 embracing the pair of gears 35, 36 splined on the shaft 32 and movable respectively to mesh with the gears 21, 22. The rotation of the shaft 32 is at slower speed as the driving connection approaches the gear 22.
The shaft 32 (Fig. 4) carries the bevel gear 37 in mesh with the bevel gear 38 on the shaft 39 which carries the pinion 41 (Fig. 2) in mesh with the gear 42 on the holder shaft 43. These shafts are carried by the machine tool frame 40.
The variable speed drive may bring about eight speeds of rotation of the holder shaft 43 carrying the holder 44 for the working tool 45.
The lower portion of the vertical shaft 39 carries the bevel gear 46 (Fig. 4) in mesh with the bevel gear 47 on the shaft 48 having fast thereon the gears 49, 50, 51, respectively in mesh with the loose gears 52, 53, 54, on the sleeve (Fig. 7). On the side of the frame 40 adjacent the position of the operator is the plate 56, having stop posishaft 78.
There is accordingly provided three speed change speed mechanisms for driving the gear 70 in mesh with the bevel gear 71 (Figs. et, 9) on the shaft? 2 carrying the pinion 73 in mesh with the transmission element or gear Tl clamped between the frictional holding means or fiber disks 75 on the fiber sleeve 76 disposed on the sleeve '77 keyed to the The frictional fiber holding means serves to normally lock the element '71 in transmission engagement to drive the shaft '78, by the washer 'i' 9 clamped in position by the nut 80.
The shaft '78 has on its opposite end (Fig. 3) the bevel gear 81 in mesh with the gear 82 on the sleeve 83 (Fig. 8) carrying the pinion 8st. The pinion S1 is in mesh with the gear 85 on the countershaft 86 which also carries the gear '87 in mesh with the gear 88 loose on the sleeve 89. The pinion S or the gear 88 may be keyed to the sleeve 89 by the dog (ll by grasping the disk 90 and reciprocating the shaft 6?). This is a second variable speed drive in the transmission from the shaft 39. While there may be the power driving at these siX speeds of the sleeve shaft 89, delicate manual setting may be had through the hand wheel 91 for driving the worm gear 92 in mesh with the worm wheel 93 on the shaft 91 (Fig. This shaft 94: may be actuated for quick and wide adjustments by the arms 95. Rotation of the shaft 9%, through the gear 96 engages the rack 97 to reciprocate the holder-set, lVhile the driving through the shaft serves to rotate the holder M. the driving through the two variable speed mechanisms and yieldable transmission element to the shaft 91 controls the feed. For quick adjustments over a wide range. the arms 5 may be used for manual shifting. while more refined adjustments may be made from the hand wheel 91. During the adjustments through the arms 95, the key 61 may be in a disconnecting position to release the worm 92. e
'Opposing the tool is the compound table upon which the work may be accurately positioned and shifted quickly and conveniently. The front of the machine Mounted on the first table section 99 for adjustment toward and from the machine frame 10 is the second ad ustable table section 105. This section carries the shaft 106 (Fig. 6) which may be released for rota-.
tion by disconnecting the clutch collar 107. Rotation of the hand wheel 108 causes the shaft 106 to rotate in its inner bearing 109 and through the pinion 110 drive the bevel gear 111 also mounted in the bearing 109 of the section 105. This bevel gear 111 has nut connection with the screw 112 which may be held from rotation by the clutch collar 118. When this screw 112 is locked the collar 113 to the bracket 99, the unclutching of the shaft- 106 may elfect adjustment of thesestion 105 toward and from the frame :0. lVhile with the clutch 10. connected, a wrench or crank may beused to rotate the shaft 112 and secure similar adjustments of the section 105.
Mounted for adjustment transversely across the section 105. is the third adjustable table section 111. The section 105 carries the shaft 115 which may be released for ro tation by disconnecting the collar 116. R0- tation of the shaft 115 by the hand wheel 11'? in its inner bearing 118 carried by the section 105, drives the.bevel gear 119 in mesh with the bevel gear. 120 also in the bearing 118. coaction with the screw. shaft 121. This shaft 121 may be locked from rotation as to the section lit by the clutch collars 122. ll hen this shaft has its clutch collars disconnected, adjustment of the section 11% may be had by rotating the shaft 121 by a wrench or crank, with the shaft 115 locked. With the shaft 121 locked, and the clutch 116. released, adjustment of the section 114 may be readily effected from the hand wheel 11'4'.
The actuator 23 is guided in its double rockings by the plate 124. having the way 125, for holding the pin 27 in engagementwith the shifting element 28, the way 126, for holding the pin in engagement with the shifting element The intermediate way 127 (Fig. 10) precludes disconnection of the hand lever from a shifting element until the shifting elements are in central disconnected position.
In operation, the control mechanisms are all adjacent the front of the machine where the operator may best observe the work and control the machine in handling such work. The hand wheels 108, 117, permit ready This bevelgear 120 has nut initial placing and adjustment of work, and without changing his position, the operator may connect the machine up for driving, by the disk actuator 12 and hand lever actuator 23. Change of speed through these actuators may preserve proportional feed rate for the holder as to the rotation drive of the holder. The proportional feed rate for the holder may have the wide range permitted by the two variable speed mechanisms controllable through the crank arm actuator 60 and the disk actuator 90. Settings of the holder for feed operation may be conveniently made and quickly by the arms 95 and the hand wheel 91, the latter for closer work. Should the feed rate selected be excessive, to the point of endangering the transmis sion, or should extreme hardness or other unusual resistance be met in the feed travel of the holder, slippage is permitted at the frictional holding of the transmission element 74:.
A special feature of utility of the machine disclosed is its ready adaptation for finishing work, for instance in drilling the particular speed may be given the drill for which the material will best care and the feed rate therefor. With this much of the problem solved the rough drilling done, reaming may occur by merely changing tools and then the handle or disk 90 may be grasped and the feed speeded up by pulling the dog 6% into driving engagement through the chain of gears 84, 85, 87, 88. This increased speed may be the proportional higher rate conditions will stand for reaming as against the drilling and involves no working out of the complexities as to the main variable speed driving gears or the variable speed driving gears in the feeding mechanism including the gears 49, 50, 51, 52, 53, B l. This is a, feature having considerable merit in practice for these two main variable speed driving trains may be left undisturbed and still the maximum utility simply attained upon introduction of the reamer by the single operation of the disk 90.
What is claimed and it is desired to secure by Letters Patent is:
1. A machine tool embodying a frame, a rotary spindle reciprocable in said frame, and spindle driving means including a nonreciprocable shaft laterally of the spindle, a pair of shafts extending away from the spindle, and variable speed gearing between the pair of shafts.
2. A machine tool embodying a frame, a
rotary spindle reciprocable in said frame,
and spindle rotation driving means includ ing a non-reciprocable shaft laterally of the spindle, a palr of shafts extending away from the spindle, and variable speed gearing between the pair of shafts.
3. A machine tool embodying a frame, a rotary spindle reciprocable in said frame, spindle rotation driving means, and extend ing therefrom, spindle reciprocation driving means including a pair of shafts extending away from the spindle, and variable speed gearing between said shafts.
at. A machine tool embodying a frame, a rotary spindle reciprocable in said frame, and spindle rotation and reciprocation driving means, said rotating driving means including a pair of shafts extending away from the spindle and said reciprocation driving means also including a separate pair of shafts extending away from the spindle, and variable speed gearing therebetween.
5. A machine tool embodying a frame, a vertical spindle in said frame, a pair of parallel shafts extending away from said spindle, variable speed gearing between said shafts, and connections from one of said shafts independently of through the spindle for varying the feed travel of said spindle.
6. A machine tool embodying a frame, a vertical spindle in said frame, a pair of horizontal parallel shafts extending away from said spindle, variable speed gearing between said shafts, and connections from one of said shafts independently of through the spindle for varying the feed travel of said spindle.
7. A machine tool embodying a frame, a horizontal driving shaft in said frame, a vertical spindle spaced therefrom, parallel shafts extending from adjacent the spindle toward the driving shaft, variable speed gearing between said shafts, and driving connection from one of said shafts independently of through the spindle for varying the feed travel of said spindle.
8. A machine tool embodying a frame, a drill spindle insaid frame, a spindle rotation actuating shaft adjacent said spindle and parallel thereto, and spindle feeding mechanism actuable from said shaft.
9. A machine tool embodying a frame, a drill spindle in said frame, a spindle rotation actuating shaft adjacent said spindle and parallel thereto, parallel shafts extending from said shaft, and variable speed gearing between said parallel shafts, said parallel shafts being connected to vary the feed travel of the spindle.
In testimony whereof I affix my signature in the presence of two witnesses.
GEO. E. HALLENBEOK.
Witnesses: C. H. RAUGH, GEO. E. KmK.
Copies of this patent may be obtained for five cents each, by addressing the Commissioner of Patents, Washington, D. 0.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US80529413A US1235314A (en) | 1913-12-08 | 1913-12-08 | Machine-tool-controlling mechanisms. |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US80529413A US1235314A (en) | 1913-12-08 | 1913-12-08 | Machine-tool-controlling mechanisms. |
Publications (1)
Publication Number | Publication Date |
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US1235314A true US1235314A (en) | 1917-07-31 |
Family
ID=3303137
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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US80529413A Expired - Lifetime US1235314A (en) | 1913-12-08 | 1913-12-08 | Machine-tool-controlling mechanisms. |
Country Status (1)
Country | Link |
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US (1) | US1235314A (en) |
-
1913
- 1913-12-08 US US80529413A patent/US1235314A/en not_active Expired - Lifetime
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