US1665398A - Shaping machine having constant power traverse - Google Patents

Description

April 10, 1928. 1,665,398

W. F. ZIMMERMANN SHAPING MACHINE HAVING CONSTANT POWER TRAVERSE Filed March 13. 1926 4 Shets-Sheet 1 gvwemtoz WM -"f W 3331 abhor/mug April 10, 1928'.

W. F. ZIMMERMANN SHAPING MACHINE HAVING CONSTANT POWER TRAVERSE Filed March 13. 1926 4 Sheets-Sheet 2 I uoemto-z 4 Sheets-Shept 3 imllljlillunlm Ill II II ll W. F. ZIMMERMANN SHAPING MACHINE HAVING CONSTANT POWER TRAVERSE Filed March 13. 1926 April 10, 1928.

S mmer April 10, 1928. 1,665,398

W. F. ZIMMERMANN SHAPING MACHINE HAVING CONSTANT POWER TRAVERSE Filed March 13. 1926 4 Sheets-Sheet 4 Patented Apr. 10, 192.

UlTED STATES PATET OFFICE.

WILLIAM F. ZIMMER'MANN, 0F MAPLEWOOD, NEW JERSEY, ASSIGNOR To GOULD & EBERHARDT, 0F NEWARK, NEW JERSEY, A CORPORATION OF NEW JERSEYQ SHAPING MACHINE HAVING CONSTANT POWER TRAVERSE.

Application filed March 13, 1928. Serial No. 94,451.

This invention .is a development of the manufacturing shaper proposed in my Patent No. 1,615,185 granted January 18, 1927, and it seeks to embody the quick-traverse and feed characteristics thereof in an even more sturdy and simple manner. Also it aims to safeguard the attendant against the damage causable by an improvidcnt use of the power rapid-traverse.

ln furtherance of these objects, it is proposed to combine in the shaper an intermittent feed and power quick traverse of the table at right-anglcs to the cutting path of the tool; the mechanism being so organized, and so related to the other elements of the shaper, that when the feed-mechanism has been set or arranged to shift the work periodically into the path of the advancing tool,

'a normal manipulation of the manual-means for causing the power-traverse to operate, preparatory to a blank replacement, will result in a quicletraverse of the work in the opposite direction, i. e., laterally away from the path of the tool and thus free the user from the danger of accidently thrusting the work unduly into the path of the powerpropelled tool carried by the reciprocating ram.

To discontinue the ram movement, preparatory to utilizing the power quick-traverse, and to enable the ram later to be started smoothly and easily, is a distinguishing capacity of the control system as now improved. This is achieved by a new relation between the point where the quick-traverse branch-line joins the main-line and the point where a clutch of the friction type is interposed in the main-line transmission that drives the ram. constantly running portion of the main-line transmission always drives the quick-traverse branch thereby enabling the power traverse to be always available at a constant maximum rate, and yet the ram may be independently stopped and always smoothly started by absorbing its momentum by a clutch of the impositive type.

The transmission line for conveying both the fast and the slow motion to the table; instead of originating at the cross-rail as in the initial embodiment, has now been extended to the body-casting; thereby further simplifying and compacting the structure by enabling a single shaft from the body- This relation is such that a casting to the eross-rail (by rotating intermittently in one direction for the feed and continuously in the converse direction for the rapid-traverse) to function in a dual capacity as a common carrier. l

A safety slip-clutch in serial relation with the said common-carrier shaft (and preferably merged with a direct-ion reverser into a compact unit) insures that notorque exceeding a safe maximum can propel the table, thereby safeguarding the machine under untoward conditions.

Other objects are pursued, such as (A a control compelling the attendant to hol a lever to maintain the quick-traverse and adapted upon its release automatically to reconnect the intermittent feed; (B) a feed always timed with the ram and available only simultaneously with the ram, but a rapid traverse available at all times but never simultaneously with the feed; (C) a control directly at the cross-rail for stopping, starting or reversing the feed or, when the traverse control is manually held in place, also the traverse; and (D) a control adjacent the bull-gear for regulating the rate of feed independently of the rate of the rapid-traverse.

A shoulder, or other elevation, is often to be preserved in the work; the machining be ing done to the shoulder. At its conclusion, the user will Want rapidly to shift the table for the substitution of the next blank, and another objective of this invention is to provide, by the single throw of a lever, for a quicletraverse in the opposite direction to the feed and thus safe-guard against jammingthe tool against the shoulder.

Other objects and advantages will be in part indicated in the following description and in part rendered apparent therefrom in connection with the annexed drawings.

To enable others skilled in the art so fully to apprehend the underlying features hereof that they may embody the same in the various ways contemplated by this invention, drawings depicting a preferred typical construction have been annexed as a part of this disclosure and, in such drawings, like characters of reference denote corresponding parts throughout all the views, of which Figure 1 is an elevational View of a shaping machine having a feeding and traversing mechanism constructed in accordance with my invention. Fig. 2 is. an elevational view of the feed and traverse mechanism enlarged. Fig. 3 is a sectional view along the line 3-3 ofFig. 1. Fig. 4 is a sectional view along the line 4-4 of Fig. 5. Fig. 5 is a sectional view along the line 55 of Fig. 1. Fig. 6 is .a sectionalview through the end of the feed'screw illustrating the mechanism for controlling the direction of the feeding and traverse movements. Fig. 7' is an elevational view illustrating the means for starting and stopping the feeding or the traverse movements.

Referring to the drawings, a shaping ma chine is illustrated comprising a main ame -1 having a horizontally reciprocating tool carrying ram 2 mounted on the top of the main frame. A tool head 3, which is secured to the end of the ram 2, is downwardly adjustable and carries a suitable cutting tool 4. The ram 2 is oscillated by means of a rocker arm 5, which in' turn is operated in the conventional manner by means of a crank gear wheel6. The rocker arm 5 is clamped to the ram 2 by means of a lever 7 and the position of the ram with res ect to the rocker 1 arm is varied by means 0 a shaft having a squared end 8. A work carrying table 9 is mounted on a cross rail 10 below the tool head 3. The cross rail 10 is adjustable in a vertical direction on vertical ways formed on front face of the main frame 1 and the table 9 is translated horizontally along the cross rail 10 (in a direction transverse to the horizontal path of the overlying tool) after set forth. A shaft 16 which projects through the eccentric member 15, the plate 13 and the crank gear wheel 6, serves to vary the connection of the crank gear wheel 6 to the rocker arm 5. The connection between the crank gear .wheel and the rocker arm 5 is old and well known and a detailed description and illustration thereof is deemed unnecessary. The shaft 16 is supported in theefpentric member 15 by means of a bushmg A strap 18, which is in the nature of a crank, is mounted on the eccentric member 15 and is connected to an oscillating lever 19 by means of a pin 20. The oscillating lever 19 is journaled in a casing 21 by means of a bushing 22. The oscillating lever 19 is oscillated through a. fixed are by means of the eccentricmember 15 which as before set forth is operated directly in accordance with the movement of the ear wheel 6 and the ram 2. A sleeve mem er 23 is mounted in the oscillating lever 19, as best shown in Fi 3 of the drawings, for supporting one en of a feed shaft 24. A pawl lever 25, which is rotatably mounted on the sleeve member 23, is positioned adjacent to the .oscillating lever 19 and is oscillated through varying arcs by the lever 19. An arm 26, whlch projects from the lever 19, is adapted to engage a surface 25 on the pawl lever 25. Theepawl lever is moved in one direction by means of the arin 26 on the oscillating lever rotate and to move axially. A spring member 31 extends into an orifice 32 which is formed in the worm shaft 30 as shown in Fig. 4 of the drawings. One end of the spring member 31 engages the shaft 30 at the bottom of the orifice 32 and the other end of the spring member engages a plug member 33 which is secured to the casing 21. The plug 33 may be operated for adjusting the tension of the spring 31. Normally the spring member holds the worm shaft 30 in engagement with an adjusting shaft 34. The ad usting shaft 34 is provided with a tongue 35 which fits in a slot formed in the end of the worm shaft. Thus, it is apparent the worm shaft is compelled to follow any rotative movement that may be effected by the adjusting shaft 34. Moreover, it is apparent the worm shaft may effect axial movement with respect to the adjusting shaft. A gear Wheel 36 is fixedly mounted on the shaft 34 on one side of a plate 37 and a hand grasp 38 is fixedly mounted on the adjusting shaft on the other side of the plate 37. The plate 37 is secured to the casing 21 in any suitable manner. The so mounting of the hand grasp 38-and the gear wheel 36 on opposite sides of the plate 37 prevent any axial or longitudinal movement of the shaft 34. The gear wheel 36 meshes with a gear wheel 39 which is secured to a dial 40 having graduations marked thereon. The dial 40 is mounted on the plate 37 adjacent to the hand grasp 38 and it is so graduated as to give a reading of the rate at which the feeding movement is'efiected bythe work table 9. A spring pressed ball 41 engages detents (not shown) in the top of the gear wheel 39 for holding the dial 40 and the parts associated with the adjusting shaft 34 in any set position.

To regulate the rate of the feed, the hand grasp 38 is operated; the worm 29 being thereby rotated to give the pawl lever 25 a movement of rotation on the shaft 24. The rate of the feeding movements effected by the work table 9 is determined according to the rotative position of the pawl lever 25 on the shaft 24. In one extreme position of the pawl lever 25, the lever will be initially in engagement with the arm 26 on the oscillating lever 19. -In'such position of the pawl lever, which is the maximum feeding position, the pawl lever will be moved through an are exactly the same as the are of oscillation of the oscillating lever 19. Upon rotating the adjusting shaft 34 by the hand grasp 38, the pawl lever 25 may be moved away from the arm 26 through varying amounts so that the oscillating lever 19 is moved through various distances before engaging the pawl lever. \Vhen the pawl lever 25 is moved in a counterclockwise direction as viewed in Fig. 4 of the drawings, it is apparent the spring member 31 is compressed by the axial movement of the worm shaft 30. Accordingly when the oscillating lever 19 is moved in a clockwise direction after completing its movement in one direction, the spring member will return the pawl lever to its initial position which is determined by the adjusting shaft 34. The movement of the pawl lever through varying arcs serves to regulate the extent of the intermittent feeding movements of the work table 9 in a manner to be described.

A pawl member 44 is pivotally mounted on the pawl lever by means of a pin 45. One end of the pawl member 44 is engaged by a spring pressed plunger 46 for holding the opposite end thereof in engagement with the teeth of a ratchet wheel 47. The teeth on the ratchet wheel 47 are so shaped as to effect movement of the ratchet wheel with the pawl lever only when the pawl lever is being moved in one direction. The ratchet wheel 47 is journaled in a wall 48 of the casing 21 as shown in Fig. 3 of the drawings. A clutch member 49 is keyed to the shaft 24 adjacent to the ratchet wheel 47. Clutch teeth 50a re formed in the side of the clutch member 49 for engaging similar clutch teeth on the ratchet wheel 47. Thus. when the clutch member 49 is moved into engagement with the clutch teeth on the ratchet wheel 47 the feed shaft 24 is given intermittent rotative movement directly in accordance with the movement of the ratchet wheel. The ratchet wheel is moved-in accordance with the movement of the crank gear wheel 6 and the ram 2. I

A gear wheel 52 is supported in a wall 53 of the casing 21 by means of a. bushing 54. The feed shaft 24 projects through the gear wheel 52 and is so ported therein by means of a sleeve 55. K nut 56, which is secured to the end of the shaft 24, prevents axial or endwise movement of the gear'wheel 52 and the shaft 24. Suitable clutch teeth are formed on the gear wheel 52 to be engaged by similar clutch teeth on the clutch member 49. Thus, when the clutch member 49 is moved towards the right as viewed in Fig. 3 of the drawings, the gear wheel 52 is connected to the feed shaft 24. As before set forth the ratchet wheel 47 is connected to the feed shaft 24 when the clutch member 49 is moved towards the left as viewed in Fig. 3 of the drawings. The gear wheel 52 is constantly rotated in a manner to be here inafter set forth for effecting traverse movement of the work table 9.

The gear wheel 52 meshes'with a gear wheel 57 which is mounted on a stud shaft 58. The gear wheel 57 is fixedly connected to a second gear wheel 59 on the shaft 58. The gearwheel 59 meshes with gear teeth 60 which are formed on a member 61. The member 61 is journalcd in the wall 53 of the casing 21 by means of a bushing 62. A sprocket wheel 63 which is formed on the opposite end of the member 61 is connected by a suitable chain 64 to a sprocket wheel 65 on a shaft 66. Endwise movement of the v member 61 in the wall 53 is prevented by a. collar 67 pinned to the member 61 and the sprocket wheel 63. The shaft 66 is journaled in the main frame 1 of the machine and carries a gear wheel 68 which meshes with a gear wheel 69 on a pulley shaft 70. The pulley shaft 70 is operated by a pulley 71 in any suitable manner. Thus by means of the pulley 71 and the gearing connected thereto the gear wheel 52 on the feed shaft 24 is maintained in constant rotation. It should be noted that the gear wheel 52 is always rotated in the same direction and at a constant speed which is not varied in accordance with the movement of the ram 2.

The clutch member 49 on the feed shaft 24 is operated by means of a yoke member 7 5 which is secured to a shaft 76. The yoke member is fitted to a groove 77 in the clutch member 49 as shown in Figs. 3 and 5 of the drawings. The shaft 76 is supported in the casing 21. as shown in Fig. 5 of the drawings, and is operated by means of a hand lever 78. The hand lever 78 is mounted on a shaft 79 which is journaled in the casing The shaft 79 also carries a pinion 80 which meshes with gear teeth 81 on the shaft 76. Thus by operating the lever 78 the shaft 76 is moved to shift the clutch 49 so as to effect a feeding or a traverse movement of the work table 9. In Fig. 7 of the drawings the lever 78 is indicated in transit from its one to its other effective position; the feeding and traverse positions of the le- Fig. 7. A plunger 83, shown in Fig. of the drawings, is held by a s ring member 84 in engageinent'with the en of the shaft 76.

The spring pressed plunger 83 serves to exert a force on the shaft 76 tending to 'hold the clutch member 49 in engagement with is unnecessar the clutch teeth on the ratchet wheel 47. Thus, when the lever is released in a neutral or a traverse posit-ion it will be moved to the feeding position. Moreover the ratchet wheel 48 and the gear wheel 52 rotate in opposite directions so that the feeding movements and the traverse movements normally take place in opposite directions. Accordingly under normal operating conditions, it to operate any directional control in or er to traverse the work table to aninitial position after the cutting pper: 20

ation.

- A bevel gear wheel 72, which is secured to the end of the shaft 24, meshes with a,

bevel gear wheel 73 which is splinedto a connecting feed shaft 74. The bevel gear wheel 72 and the nut 56 on the feed shaft 24 prevents any longitudinal movement of the feed shaft 24 in the casing 21. The connecting feed rod 74 is journaled adjacent to the bevel gear wheel 73 in a housing 75. The housing 75 is provided with shoulder portions 7 6, as shown in Fig. 5 of the drawlngs, which are locked behind a .collar 77 on the bushing 22. Preferably the shoulders 7 6 are in the nature of bayonet projections which are locked behind the collar 77. In the construction above described it is apparent the connecting feed rod 74 maybe moved longitudinally with respect to the bevel gear wheels 7 2 and 73 and may be rotated on the axis of the bevel gear wheel 72. It is necessary to provide for such movement of the connecting feed rod 74 inasmuch as the op-v posite end thereof is secured to the cross rail 10 and the cross rail is, in the usual manner, raised and lowered on the main frame of the machine.

The opposite end of the connecting feed rod 74 to that end carrying the bevel gear wheel 73 is supported in a housing 86 which is pivotally mounted on the cross rail 9. A bevel gear wheel 87, which is frictionally connected to the rod 74, has a hub portion 88 journaled' in the housing 86 as shown inFig. 5 of the drawings. The means for frictionally connecting the bevel gear wheel 87 to the shaft 74 comprises a cone-shaped friction member 89 which is secured to one end of the shaft 74 and which is fitted to a cone-shaped opening in the end of the bevel gear wheel. The bevel gear wheel 87 is held in engagement with the cone-shaped member 89 by means of a spring member 90. The spring member 90 surrounds the rod 74 and extends between the hub 88 of the bevel gear wheel and a nut 91. Preferably a washer 92 is interposed between the spring member '90 and the nut 91. The nut 91 is adjusted on the rod 74 for varying the tension on the sprin member 90 and accordingly for var mg t c frictional connection betwecn tie bevel gear-wheel 89 andthe connecting feed rod 74.

The bevel ear wheel 87 meshes with two bevel gear w eels 93 and 94 which are respectively supported on the feed screw 11 by means of bushings 95 and 96. The bush- ;1ngs-95.and 96 also ivotally support the housing 86 and the ushing 95 serves to ournal the feed screw 11 in one end of the cross rail 9 as shown in Fig. 5 of the drawings. A clutch member 97 is splined to the feed screw 11 at a pointbetween the two bevel gear wheels 93 and 94. Clutch teeth are formed on the ends of the clutch member 97 for. engagingsimilar clptch teeth on the two bevel gear wheels 93 and 94. Thus, the clutch membermay be moved in one direction or the other for connecting the bevel gear wheel 93 or the bevel gear wheel 94 to the feed screw 11; Accordingly, the clutch member 97 serves to control the direction of rotation of the feed screw 11. A lever 99, which is mounted on a shaft 100, is provided for controlling the movement of the clutch member 97 and accordingly the direction of the feeding or the traversing movements. The shaft 100 is journaled in the housing 86 as shown in Fig. 2 of the drawings. A gear segment 101, which is mounted on the extreme end of the shaft 100, meshes with circular rack teeth 102 which are formed on the clutch member 97 as best shown in Figs. 5 and 6 of the drawings. A spring pressed ball 103, which is mounted in the housing 86, engages detents formed in the lever 99 for exerting a force tending to hold the lever 99 in its various operative positions. The feed screw 11 is mounted on the rail 10 and engages the table 9 for effecting feeding and traversing movements of said table. A suitable cover 104 is provided for the housing 86 in the feed mechanism above described.

The general system for transmitting mo tion from a source of power comprising a main-line made up of conventional elements starting from the pulley 71 and its shaft and ultimately including the bull-gear 6 and from it through a master-lever 5 to the ram; all as exemplified in my initial application. The quick-traverse branch-line transmission has its motion-deriving junction with the main-line through the gear 68 which is con stantly driven. A clutch C (operated as by a suitable lever) intervenes between the constantly-running elements of the main-line and the succeeding portion so that the quicktraverse line will always run though the ram may be still. This fast line is made up of these elements, viz, 68an intermediate- 66 -64-6361-60595857 and the terminal element 52. The slow feed transmission branches off from the main-line through the hub 6 of the bull gear and comprises these elements, viz, the eccentric 15, strap 18, oscillator 19 and finger 26, lostmotion vibrator 25, pawl 44, and ratchet- Wheel 47 terminating in a clutch-face adapted to be engaged by the initial or terminal element 49 of the table-propelling transmission. The transmission for conveying slow intermittent and fast continuous motion to the table comprises the elements 49-24 72-7374slip clutch 89 -88reversegears 93 and 94clutch 97 and shaft 11.

Without further analysis, the foregoing will so fully reveal the gist of this invention that others can, by applying current knowledge, readily adapt it for various utilizations by retaining one or more of the features that, from the standpoint of the prior art, fairly constitute essential characteristics of either the generic or specific aspects of this invention, and therefore, such adaptations should be, and are intended to be, comprehended within the meaning and range of equivalency of the following claims.

Having thus revealed this invention, 1 claim as new and desire to secure the following combinations and elements, or equivalents thereof, by Letters Patent of the United States l. A shaper combining a table; a table propelling-transmission therefor; a feed transmission adapted to impart intermittent motion to said table-transmission in a given direction; a quick-traverse transmission adapted to impart continuous motion to said table transmission; and a shift-mechanism arranged only so to connect said quick-traverse transmission that it will drive said table in a direction opposite to that previously imparted by said feed-transmission.

2. A shaper conibinin a table; a powerdriven element; a transmission from said element to said table including two interchangeably available branch-lines, the one adapted to convey slow intermittent motion and the other to reversely convey fast continuous motion; a shift-mechanism; and an independent motion-reverser for simultaneously reversing the directional effects on the table of both of said branch-lines.

3. A shaper combining a table; a main body-casting; a propelling-tinnsmission extending from the table to the body-casting; a feed transmission adapted to impart intermittent motion to said propelling transmission in a given direction; a quick-traverse transmission adapted to impart continuous motion to said table transmission; and a shift-mechanism located at the body-casting and arranged only so to connect said quicktraverse transmission that it will drive said table in a direction opposite to that previously imparted b said feed-transmission.

4. A'shaper com ining a table; a crossrail; a main body-casting; a power-driven element; a bi-directional transmission system from said element to said cross rail including two interchangeably available branch lines, the one adapted to convey slow intermittent motion and the other to reversely convey fast continuous motion; a shift-mechanism located at the body-casting and an independent motion-reverser located at the cross-rail for simultaneously reversing the directional eli'ects on the table of both of said branch-lines.

5. A shaper combining a body-casting; a ram; a unidirectional bull-gear; a crossrail; a table; a transmission-system leading to said table and comprising a common shaft from the side of said body-casting adjacent said bull-gear to said cross-rail; an intermittent-inotion transmission driven synchronously with said bull-gear and comprising a. feed-stroke regulator; a continuous motion transmission; a clutch for causing either of said two transmissions to convey motion to said common shaft; means for normally maintaining said clutch in operative relation with said intermittent motion transmission but enabling it manually to be held in operative relation with said continuous motion transmission; and a single motion reverser for simultaneously reversing the directional effects on the table of both of said transmissions.

6. A shaper combining a body-casting; a ram; a uni-directional bull-gear; a cross-rail; a table; a transmission system leading to said table; a bull-gear transmission; a master-clutch therefor of the impositive type; an intermittent-motion transmission driven synchronously with said bull-gear and comprising a feed-stroke regulator; a fast-inotion transmission driven continuously at a constant rate independently of said masterclutch; a second clutch for causing either of said two transmissions to convey motion to said first-mentioned transmission system; and a single motion-reverser for simultaneously reversing the directional effects on the table of both of said transmissions.

7. A shaper combining a body-casting; a ram; a uni-directional bull-gear; a crossrail; a table; a transmission-system leading to said table and comprising a common shaft from the side of said body-casting adjacent said bull-gear to said cross-rail; an

intermittent-motion transmission driven synchronously with said bull-gear and comprising a feed-stroke regulator located adjacent said bull-gear; a'continuous fast-mo tion transmission; a clutch adjacent said bull-gear for causing either of said two transmissions to convey motion to said common shaft; means for normally maintaining said clutch in operative relation with said intermittent motion transmission but en-- abling it manually to be held in operative relation with said continuous motion transm1ssion; and a sin le motion-reverser located at 5 the cross-rail or simultaneously reversing the directional efiects on the table of both of said transmissions.

8. A sha er combinin a body-casting; a ram; a uniirectional bu l-gear; a cross-rail; a table; a transmission-system leading to said table; a bull-gear transmission; amaster-clutch therefor; an intermittent-motion transmission driven synchronously with said bull-gear and comprising a feed-stroke regulator; fast-motion transmission driven continuously at a constant rate inde endently of said master-clutch; a second 0 utch for causing either of said two transmissions to convey motion to said first-mentioned transmission system; and means for normally maintaining said second clutch in operative relation with said intermittent motion transmission but enabling it manually to be held in operative relation with said continuous motion transmission.

9. A shaper combining a body-casting; a ram; a uni-directional bull-gear; a crossrail; a table; a transmission-system leading to said table; a bull-gear transmission; a master-clutch therefor; an intermittent-motion transmission driven synchronously with said bull-gear and comprising a feed-stroke regulator; fast-motion transmission driven continuously at a constant rate independently of said master-clutch; a second clutch for causing either of said two transmissions to convey motion to said first-mentioned transmission system; means for normally maintaining said second clutch in operative relation with said intermittent motion transmission but enabling it manually to be held in operative relation with said continuous motion transmission; and a single motion-reverser located at the cross-rail for simultaneously reversing the directional effects on the table of both of said transmissions.

10. A shaper combining a body-casting; a ram; a uni-directional bull-gear; a crossrail; a table; a transmission system leading to said table; a bull-gear transmission; an intermittent-motion transmission driven synchronousl with said bull-gear and comprising a fee -stroke regulator located adjacent said bull-gear; a fast-motion transmission; shift mechanism for'causing either of said two transmissions to convey motion to said transmission-system; and means for normally maintaining said shift-mechanism in 50 operative relation with said intermittent motion transmission but enabling it manually to be held in operative relation with said last-motion transmission.

11. A shaper combining a table; a main body-casting; a propelling transmimion; a

feed transmission ada ted to impart intermittent motion to sai propelling transmission; a quick-traverse transmission adapted to impart continuous motion to said propelling transmission; a shift-mechanism for causing either said feed-transmission or said quick-traverse transmission to drive said table; and a sai'et slip clutch for limiting the torque of sai propelling transmission.

12. A shaper combining a body-casting; a ram; a uni-directional bull-gear; a crossrail; a. table; a transmission-s stem leadin to said table; a safety slip evice in sai transmission-system for limiting the torque transmittable thereby; an intermittent-motion transmission driven synchronously with said bull-gear; a continuous fast-motion transmission; a clutch for causing either of said two transmissions to convey motion to said transmission-system; and a single motion-reverser for simultaneously reversing the directional effects on the table of both of said transmissions.

13. A quick-traverse heavy-duty shaper for production manufacturing, combining a body-castino having a vertical front slideway and a horizontal atop-slide; a transverse cross-rail vertically adjustable; a table slidable on said cross-rail transversely to said vertical slide-way and having a horizontal Work-supporting surface; an auxiliary tablepropelling transmission; a horizontal ram overhanging said table; a main-line transmission leading to said ram for periodically reciprocating it in said top-slide slowly to 100 and rapidly fro along a fixed path parallel with but above said work-supporting surface; a tool-head on the overhanging extremity of said ram and adjustable in a plane'perpendicular to the path of said ram 105 to determine the depth of cut of its tool;

a clutch of the impositive type in said mainline transmission; a. fast-running branchline transmission and an intermittent motion transmission, the 'former always deriving 110 motion from the initially driven portion of said main-line transmission and the latter from the portion controlled by said impositive clutch; shift mechanism combined with said last-mentioned transmission for enabling either at 0 tion to drive said auxiliary transmission or feeding saidtable stepby-step along said cross-rail transversely to said path to project successive horizontal strips of the work thereon into the horizontal path of the tool carried by said ram, or for quickly traversing said table along said cross-rail transversely to .said path; and a manual control for said shift mechanism-for causing either the intermittent or the quicktraverse means to propel said table by power.

14. A sha er combinin a body-casting; a ram; a unl-directional ull-gear; a cross rail; a table; a transmission-system leadin to said table and comprising a common sha "9 from the side of said body-casting adjacent said bull-gear to said cross-rail; a bull-gear transmission; a master-clutch therefor; an intermittent-motion transmission driven synchronously with said bull-gear and comprising a feed-stroke regulator located adjacent said bull-gear; a fast-motion transmission driven continuously independently of said master-clutch; a second clutch adjacent said bull-gear for causing either of said two transmissions to convey motion to said common shaft; means for normally maintaining said second clutch in operative relation with said intermittent motion transmission but enabling it manually to be held in operative relation with said continuous motion transmission; and a single motion-reverser located at the cross-rail for simultaneously reversing the directional effects on the table of both of said transmissions.

15. A shaper combining a table; a main body casting; a continuous fast-motion transmission in said body casting; a bullgear; an intermittent feed-motion transmission also in said body casting and driven synchronously with said bull-gear; a transmission including a single shaft extending from adjacent the bull-gear to adjacent the table and adapted to receive and convey motion at either a quiek-traverse or a feed rate; and a clutch located on the main casting for rendering either said quick-traverse or said feed transmission available to impart motion to said single shaft.

16. A shaper combining a main body-casting; a cross-rail; a table; a continuous-motion transmission in said body casting; a transmission including a single shaft eX- tending from the side of the body-casting to the cross-rail adjacent the bull-gear to ad jacent the table and adapted to receive and convey motion to said crossrail; a motionconverter for transforming continuous into intermittent; motion; and a throw-in device for causing said table to be propelled at a continuous fast rate or an intermittent slow rate by the power transmitted through said single shaft.

17. A shaper combining a main body-cast ing'; a table at its front end; a motionreverser and a slip-clutch; an ultimate tablepropelling transmission deriving motion through said reverser and slip-clutch; a bullgear; a ram; an uni-directional transmission at the side of said body-casting for imparting motion through said reverser and slip-clutch to said ultimate transmission; a continuously running prime-mover; a rapid traverse transmission leading therefrom across the rear end of said body-casting and extending to' said unidirectional transmission; a master-clutch; a bull-gear thansmission deriving motion through said master-clutch from said prime mover; means comprising a feed stroke-regulator deriving intermittent motion from said bull-gear for imparting unidirectional feed-strokes to said u'ni-directional transmission; a clutch for rendering said rapid traverse transmission impotent to drive said uni-directional transmission; and three manual levers, the first for shifting said reverser to determine the direction of feed and rapid traverse of said table, the second for shifting said master-clutch to dis continue the reciprocations of the ram and the feeding of the table, and the third for shifting said clutch to cause rapid traverse movement only to be imparted through said uni-directional transmission to said table in the direction determined by said first lever.

18. A sliaper combining a main body-casting; a table at its front end; a motion-reverser; an ultimate table propelling transmission deriving motion through said reverser; a bull-gear; a ram; an uni-directional transmission at the side of said body casting -for imparting motion through said reverser to said ultimate transmission; a continuously running pri1ne-mover; a rapid traverse transmission leading therefrom and extending to said uni-directional transmission; a master-clutch; a bull-gear transmission deriving motion through said mastercluteh from said prime-mover; means comprising a stroke-regulator deriving intermittent motion from said bull-gear for imparting unidirectional feed strokes to said unidirectional transmission; a clutch for rendering said rapid traverse transmission impotent to drive said uni-directional transmission; and three manual lovers, the first for shifting said reverser to determine the direction of feed and rapid traverse of said table, the second for shifting said masterelutch to discontinue the reciprocations of the ram and the feeding of the table, and the third for shifting said clutch to cause rapid traverse movement only to be imparted through said uni-directional transmission to said table in the direction determined by said first lever.

In witness whereof, l'have hereunto subscribed my name.

WILLIAM ZIMMERMANN.

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