US3063237A - Method of making one piece sprocket links - Google Patents
Method of making one piece sprocket links Download PDFInfo
- Publication number
- US3063237A US3063237A US701814A US70181457A US3063237A US 3063237 A US3063237 A US 3063237A US 701814 A US701814 A US 701814A US 70181457 A US70181457 A US 70181457A US 3063237 A US3063237 A US 3063237A
- Authority
- US
- United States
- Prior art keywords
- legs
- bushing
- blank
- piercing
- link
- 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
Links
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21L—MAKING METAL CHAINS
- B21L9/00—Making chains or chain links, the links being composed of two or more different parts, e.g. drive chains
-
- 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
- Y10T83/00—Cutting
- Y10T83/202—With product handling means
- Y10T83/2092—Means to move, guide, or permit free fall or flight of product
- Y10T83/2096—Means to move product out of contact with tool
- Y10T83/2135—Moving stripper timed with tool stroke
- Y10T83/215—Carried by moving tool element or its support
- Y10T83/2155—Stripper biased against product
- Y10T83/2157—Elastomeric stripper contacting product
-
- 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
- Y10T83/00—Cutting
- Y10T83/384—By tool inside hollow work
- Y10T83/387—Interrelated tool feed means and means to actuate work immobilizer
- Y10T83/388—Actuated clamp element and work holder coact to position work
-
- 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
- Y10T83/00—Cutting
- Y10T83/384—By tool inside hollow work
- Y10T83/395—One tool having only rectilinear motion[s]
- Y10T83/40—Multiple external active tools
- Y10T83/401—Tools operate in a substantially common transverse plane of cut
- Y10T83/402—With tool actuating cams on a common support
-
- 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
- Y10T83/00—Cutting
- Y10T83/444—Tool engages work during dwell of intermittent workfeed
- Y10T83/445—With work-moving clamp jaw
-
- 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
- Y10T83/00—Cutting
- Y10T83/748—With work immobilizer
Definitions
- the invention is particularly adapted to form chain links of a type similar to those shown in Patent No. 2,793,536.
- a link is formed from a blank having longitudinally extending legs on either side of a cylindrically shaped hollow bushing.
- This bushing is formed by a separate apparatus, such as that shown in copending application Serial No. 661,648, filed May 27, 1957, now Patent No. 2,968,913, issued January 24, 1961, which may be set up so as to feed the blanks to the magazine of the instant apparatus, and thus form a single continuous machine.
- a separate apparatus such as that shown in copending application Serial No. 661,648, filed May 27, 1957, now Patent No. 2,968,913, issued January 24, 1961, which may be set up so as to feed the blanks to the magazine of the instant apparatus, and thus form a single continuous machine.
- the fold.at the juncture be formed so that the metal at the fold is not weakened to any significant degree.
- this invention provides a method and an apparatus for properly positioning the blank so that the hole is pierced at a predetermined distance from the axis of the bushing.
- a further object of this invention is to provide a method for positioning the blanks so that holes are pierced in the legs of all blanks an equal and predetermined distance from their respective bushings.
- the apparatus for forming an integral chain link'from extending outwardly from said bushing includes, means for partially bending the legs adjacent their juncture with the bushing and means for bending the partially bent legs to a position perpendicular to the axis of the bushing and generally parallel to each other. Means are also provided for piercing holes in the free ends of the completely bent legs a predetermined distance from the axis of the bushing.
- FIG. 1 is an isometric schematic view of the apparatus of the invention with certain parts omitted for clarity;
- FIG. 1a is an enlarged schematic view of the magazine feeding mechanism utilized in the invention, when in its 3 non-feed position;
- FIG. 5 is an enlarged view of the final folding mechani'sm
- FIG. 6 is an enlarged view of a bushing being held in position in the folding dies of FIG. 2;
- FIG. 7 is an elevational view of the positioning and piercing mechanism of the invention.
- FIG. 8 is a side view of a completed chain link
- FIG. 9 is a front elevational view of the link of FIG. 8
- FIGS. 10, l1 and 12 are views showing various steps in the positioning and piercing operations of the device of FIG. 7, in which,
- FIG. 10 shows the mechanism prior to the of the link
- FIG. 11 shows the mechanism after the depression of depressing I the link
- FIG. 12 shows the mechanism after the link is raised into proper position by the mechanism
- FIG. 13 is a fragmentary view of an arrangement wherein the piercing is performed on both legs simultaneously; and FIG. 14 is a diagrammatic side elevational view of the positioning and piercing station.
- FIG. 1 is a diagrammatic view of a preferred form of apparatus for forming chain links of the type shown in FIGS. 8 and 9 from a blank of the type shown in full lines in FIG. 4.
- the apparatus generally includes a feeding mechanism, shown at 20, a first folding station, a
- the blanks B are fed step-by-step through the appratus by feeding slides designated in FIG. 1 as the 1st, 2nd and 3rd feeding slides. All of the feeding slides reciprocate in unison so that the blanks are advanced a step at a time through the apparatus during the forward stroke of the reciprocating slides, thereby resulting in con,- tinuous operation of the entire apparatus at all times-
- the feeding mechanism 20 includes a horizontal magazine or table 21 having a recessed portion 22 in which the cylindrical bushing 23 of blanks B are placed.
- a magazine is mounted above the plane of the remainder of the apparatus and is spaced rearwardly from the entrance end of the apparatus.
- a pair of inclined rods 24 connect the forward end of the magazine to the rearward end of the apparatus so that blanks which are fed by feeding means (not shown) to the rods move downwardly by gravity.
- the lead or lowest blank is engaged by an upwardly urged, vertically movable stop 25.
- a plunger 26 (FIGS. la, lb) is provided which moves downwardly from its FIG. lw position to its FIG. 1b position prior to the forward or advance stroke of the first feeding slide.
- plunger 26 forces the lead blank and stops 25 downwardly until the legs of the blank come into engagement with the surface 27. Stops 25 are then below the level of surface 27 where they will not interfere with the advancement of the lead blank when the first feeding slide moves through the advancing portion of its cycle of operation.
- the downward movement of the next succeeding blank is prevented by the vertical face of plunger 26.
- plunger 26 moves upwardly from its FIG. lb position to its FIG. 1a position, said next succeeding blank moves downwardly to engage stops 25 which have moved upwardly to their FIG. la position.
- the cycle of feeding is then repeated for the next succeeding blank.
- the structure just described results in the advancing of one blank B into the apparatus for each reciprocatory movement of the feeding slides.
- the first feeding slide serves to move the blanks to the first folding station, shown generally at 28.
- the legs 29 of the blank are bent adjacent their juncture with bushing 23 so that they are at an angle to the axis of the bushing.
- This angle is preferably about 45 but may be any desired angle.
- the angle is chosen so to result in the satisfactory first upsetting of the metal adjacent the bushing.
- the mechanism preferably used for performing this partial bending is best illustrated in FIGS. 2 and 3, and includes a lower die member 30 and a vertically movable press member 31.
- Lower die member 30 is formed with sloping side walls 32.
- a block mounted in a slot in die member 30 has a cavity in its upper surface for receiving bushing 23 and is spring pressed upwardly by spring 33 to engage the bottom of bushing 23 and hold legs 29 away from the top surface of die member 30 when the press member 31 is in its raised or FIG. 2 position.
- Press member 31 has an outer portion 35 to which upper die member 36 is fixedly attached. Mounted slidingly within a cavity in portion 35 is a frame member 37 which is biased downwardly by springs 38. Bars or legs 39 extend downwardly from frame member 37 and are below the bottom of upper die member 36 when press member 31 is in its raised or FIG. 2 position. Press member 31 is moved down by suitable means, such as a piston arrangement (not shown).
- upper die member 36 may have downwardly inclined faces 40. Preferably these faces are formed on inserts 41 which may be replaced as needed.
- the blank is then advanced from the first folding station 28 to second folding station 42 by the second feeding slide.
- the paritally bent legs29 are bent to a position generally perpendicular to the axis of bushing 23 and enclosing the main portion of the bushing, as shown in FIG. 9.
- the final bending is accomplished about a lower die member 43 (FIG. 5) which has sides shaped to conform to the desired shape of the legs of the completed link.
- a pair of members 44, pivoted at 45, have inner faces also shaped so as to conform to the shape of the legs of the completed link.
- the lower die member has a cavity for receiving bushing 23 and holding the blank B in proper position.
- Members 44 are generally in the form of a bell crank and may have rollers 47 attached to the upper ends of legs 48.
- Spring 49 biases legs 48 toward each other.
- a suitably operated press member 50 is adapted to engage rollers 47. As press member 50 moves downwardly, legs 48 are forced away from each other against the action of spring 49. The lower legs of members 44 are moved inwardly and downwardly as the members are pivoted about pivots 45. When press member 50 reaches the lowermost portion of the stroke, the parts are in the broken line position of FIG. 5.
- the blanks are advanced to the piercing stations 51 and 52 by the third reciprocating feeding slide.
- the operations performed at each of these stations are the same, except that they are performed on different legs of blank B.
- FIG. 7 The mechanism which is preferably used to pierce holes in the free ends of legs 29 is best shown in FIG. 7.
- the blanks B are moved sequentially from the folding station 28, to piercing station 51 and then to piercing station 52, along lower die member 43, during the forward portion of the reciprocating stroke of the third feeding slide.
- lower die member 43 has a depression formed in its upper surface which is slightly wider than the diameter of bushing 23.
- This mechanism includes a vertically reciprocating head 54 upon which is secured a downwardly extending piston 55 and a pair of downwardly extending bars 56.
- the lower ends of bars 56 are formed so as to fit in slots 57 in the machine support.
- Bars 56 have flanges 58 extending perpendicularly thereto. These flanges are in clined downwardly and outwardly so as to form a cam surface.
- each of the elements 59 On the outer ends of each of the elements 59 is a U-shaped extension 61 which extends over the front of its respective flange 58 so that as bar 56 moves up and down in slot 57, it will engage either the outer or the inner leg of extension 61 to move element 59 either outwardly or inwardly relative to the lower die member 43.
- both of the elements 59 have a pair of positioning pins 62 extending inwardly from an upper portion thereof. These elements have downwardly and inwardly inclined surfaces 63. Blank B is held above the top surface of the depression in the lower die member by a pair of spring pressed elements 64 which engage the lower edges of legs 29. Spring pressed elements 64 may have an extension 64A fitting in slot 64B of base element 43A, which is omitted from FIG. 1 for clarity. Elements 64 are urged upwardly by springs 65.
- the apropriate element 59 has a pin 66 extending inwardly a predetermined distance below its respective pin 62.
- a passage 67 is formed in lower die member 43 immediately l opposite pin .66. This passage provides for the disposal of the metal waste punched from leg 29 by pin 66.
- insert 70 may be provided having cross passage 71 with vertical passage 72.
- the projection 73 serves as a key to prevent side motion.
- Air passages 74 can be used to furnish air to assist the movement of the scrap through passage 72.
- FIGS. 10, 11 and 12 show the position of the operating elements at various stages in the piercing operation.
- a pad 68 on the lower portion of piston 55 engages the upper surface of bushing 23 and urges it downwardly against the upper surface 69 of the depression in lower die member 43.
- Pad 68 is preferably formed of a resilient material for a purpose to be described later.
- flanges 58 engage the inner legs of U-shaped members 61 and move elements 59 inwardly toward blank B.
- the inner surface of the upper portion of bushing 23 is below the upper surface of pins 62.
- the other leg 24 will have a hole punched init and at the second piercing station by a mechanism identical with that just described, except that pin 66 will be on the element 59 on the opposite side of lower die member 43 and the scrap passage 67 will open to the opposite side of said lower die member.
- the lower die has a nest or slot 75 (FIG, 14) formed therein (for each of the positioning and piercing stations) into which the legs fit upon depression of the blank at the respective station.
- a method for folding apertured legs of a blank having a cylindrical bushing from which said legs extend outwardly in opposite directions with the apertures thereof closely adjacent to the junctures with said bushing comprising the steps of holding said bushing and then partially bending said legs toward the bushing adjacent their apertures and junctures with said bushing by a vertical downward force applied to said legs at the area of said junctures between said bushing and apertures at a first station, and then at a second station bending said partially bent legs about said junctures to a position perpendicular to the axis of said bushing by applying a combined downward and inwardforce against said partially bent legs to thereby form a generally U -shaped link wherein the bushing and said apertures are in alignment.
- a method of forming holes in the free ends of apertured legs of a generally Ushaped chain link having a hollow cylindrical bushing comprising the steps of resiliently urging said link away from the upper surface of a lower die member, resiliently depressing said link to a position against said upper surface, positively raising said link a small distance above said surface by inserting guide means in said apertures to properly position the leg apertures relative to piercing means which are fixed in position relative to said guide means, and by means of said piercing means piercing a hole in the free end of each of said legs a predetermined distance from the lower surface of the upper portion of said bushing.
- a combination comprising the steps of positioning said bushing on the upper surface of a die member having inclined side surfaces, depressing said blank while said bushing is held to properly locate said blank relative to said inclined side surfaces, applying a downward force to each of said legs simultaneously while said bushing is held in said proper location so as to bend said legs against said inclined surfaces, advancing said blank from said inclined die member to a second die member having generally perpendicular side walls, applying an inward and downward force to each of said til legs simultaneously so as to press said legs against said generally perpendicular side surfaces so that said openings are aligned with the axis of said bushing, advancing said blank from said second die member to a first positioning and piercing station, positively positioning by inserting guide means in said openings and holding said openings in a predetermined location to position
- a method of forming holes in the free ends of the legs of a generally U-shaped chain link having a hollow cylindrical bushing, each of said legs having an opening therein adjacent said bushing comprising the steps of advancing said link to a first piercing station, resiliently depressing said link against a supporting surface, then positively raising said link by inserting guide means in said openings to position said openings in a predetermined location to position the openings in said legs relative to piercing means which are fixed in position relative to said guide means, by means of said piercing means piercing a hole in the free end of one of said legs a predetermined distance from said bushing lower surface while the link is in its raised position, releasing said link, advancing said link to a second piercing station, resiliently depressing said link against a second supporting surface, then positively raising said link by inserting guide means in said openings to properly position said openings in a second similar relative location, and then by means of said piercing means piercing a hole in the free
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Making Paper Articles (AREA)
Description
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US701814A US3063237A (en) | 1957-12-10 | 1957-12-10 | Method of making one piece sprocket links |
US185624A US3221490A (en) | 1957-12-10 | 1962-04-06 | Chain link making machine |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US701814A US3063237A (en) | 1957-12-10 | 1957-12-10 | Method of making one piece sprocket links |
Publications (1)
Publication Number | Publication Date |
---|---|
US3063237A true US3063237A (en) | 1962-11-13 |
Family
ID=24818786
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US701814A Expired - Lifetime US3063237A (en) | 1957-12-10 | 1957-12-10 | Method of making one piece sprocket links |
Country Status (1)
Country | Link |
---|---|
US (1) | US3063237A (en) |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3153897A (en) * | 1961-12-26 | 1964-10-27 | Richard A Kummerer | Chain |
US3195581A (en) * | 1961-08-31 | 1965-07-20 | Western Electric Co | Forming and trimming die |
US3279219A (en) * | 1963-01-31 | 1966-10-18 | Kohl Karl | Warp knitting machine |
US4599924A (en) * | 1983-06-22 | 1986-07-15 | Itt Industries, Inc. | Process and device to apply a bearing eye or a transverse perforation in the clevis of the actuating rod of a brake power booster |
US6401587B1 (en) * | 1997-10-07 | 2002-06-11 | Sacmi Cooperativa Meccanici Imola S.C.R.L. | Device for producing a scoring line in the cylindrical wall of a plastic cup, particularly of a plastic cup for closing a container, and machine using said device |
Citations (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1448663A (en) * | 1921-07-23 | 1923-03-13 | Chain Belt Co | Manufacture of links for drive and conveyer chains |
US1503884A (en) * | 1921-05-25 | 1924-08-05 | Youngstown Pressed Steel Compa | Method of producing channel irons |
US1796594A (en) * | 1925-03-10 | 1931-03-17 | Link Belt Co | Apparatus for chain manufacture |
US1962432A (en) * | 1930-08-18 | 1934-06-12 | Jefferson Electric Co | Apparatus for forming core laminations |
US2155626A (en) * | 1938-01-24 | 1939-04-25 | Link Belt Co | Method of making bushed chain links |
US2266997A (en) * | 1940-07-06 | 1941-12-23 | Henry & Wright Mfg Company | Dieing machine |
US2362006A (en) * | 1943-04-12 | 1944-11-07 | Curtiss Wright Corp | Flange forming apparatus |
US2445093A (en) * | 1946-04-24 | 1948-07-13 | Speed Products Company Inc | Self-centering gauge for perforating devices |
US2665547A (en) * | 1950-04-24 | 1954-01-12 | Gustav B Soderlund | Method of producing chain-links |
US2793536A (en) * | 1954-04-29 | 1957-05-28 | Locke Steel Chain Co | Chain link |
US2857735A (en) * | 1953-09-08 | 1958-10-28 | Bostitch Inc | Method of manufacturing wire staples |
-
1957
- 1957-12-10 US US701814A patent/US3063237A/en not_active Expired - Lifetime
Patent Citations (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1503884A (en) * | 1921-05-25 | 1924-08-05 | Youngstown Pressed Steel Compa | Method of producing channel irons |
US1448663A (en) * | 1921-07-23 | 1923-03-13 | Chain Belt Co | Manufacture of links for drive and conveyer chains |
US1796594A (en) * | 1925-03-10 | 1931-03-17 | Link Belt Co | Apparatus for chain manufacture |
US1962432A (en) * | 1930-08-18 | 1934-06-12 | Jefferson Electric Co | Apparatus for forming core laminations |
US2155626A (en) * | 1938-01-24 | 1939-04-25 | Link Belt Co | Method of making bushed chain links |
US2266997A (en) * | 1940-07-06 | 1941-12-23 | Henry & Wright Mfg Company | Dieing machine |
US2362006A (en) * | 1943-04-12 | 1944-11-07 | Curtiss Wright Corp | Flange forming apparatus |
US2445093A (en) * | 1946-04-24 | 1948-07-13 | Speed Products Company Inc | Self-centering gauge for perforating devices |
US2665547A (en) * | 1950-04-24 | 1954-01-12 | Gustav B Soderlund | Method of producing chain-links |
US2857735A (en) * | 1953-09-08 | 1958-10-28 | Bostitch Inc | Method of manufacturing wire staples |
US2793536A (en) * | 1954-04-29 | 1957-05-28 | Locke Steel Chain Co | Chain link |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3195581A (en) * | 1961-08-31 | 1965-07-20 | Western Electric Co | Forming and trimming die |
US3153897A (en) * | 1961-12-26 | 1964-10-27 | Richard A Kummerer | Chain |
US3279219A (en) * | 1963-01-31 | 1966-10-18 | Kohl Karl | Warp knitting machine |
US4599924A (en) * | 1983-06-22 | 1986-07-15 | Itt Industries, Inc. | Process and device to apply a bearing eye or a transverse perforation in the clevis of the actuating rod of a brake power booster |
US6401587B1 (en) * | 1997-10-07 | 2002-06-11 | Sacmi Cooperativa Meccanici Imola S.C.R.L. | Device for producing a scoring line in the cylindrical wall of a plastic cup, particularly of a plastic cup for closing a container, and machine using said device |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
AS | Assignment |
Owner name: STELLAR INDUSTRIES, INC., A CORP. OF DE. Free format text: MERGER;ASSIGNOR:LOCKE MANUFACTURING COMPANIES, INC.;REEL/FRAME:003847/0050 Effective date: 19801121 Owner name: STELLAR INDUSTRIES, INC., 5445 DODDS AVE., BUENA P Free format text: RELEASED BY SECURED PARTY;ASSIGNOR:AETNA BUSINESS CREDIT, INC.,;REEL/FRAME:003847/0058 Effective date: 19781024 Owner name: ALLIED-LOCKE INDUSTRIES, INCORPORATED, GREEN RIVE Free format text: ASSIGNMENT OF ASSIGNORS INTEREST.;ASSIGNOR:LOCKE STEEL CHAIN CORPORATION;REEL/FRAME:003847/0060 Effective date: 19781101 Owner name: LOCK STEEL CHAIN CORPORATION, 1230 SABINE ST., HUN Free format text: ASSIGNMENT OF ASSIGNORS INTEREST.;ASSIGNOR:STELLAR INDUSTRIES, INC.;REEL/FRAME:003847/0063 Effective date: 19781031 Owner name: LOCKE MANUFACTURING COMPANIES, INC. Free format text: CHANGE OF NAME;ASSIGNOR:LOCKE STEEL CHAIN COMPANY, THE;REEL/FRAME:003849/0068 Effective date: 19680305 Owner name: STELLAR INDUSTRIES, INC., A CORP. OF, DELAWARE Free format text: MERGER;ASSIGNOR:LOCKE MANUFACTURING COMPANIES, INC.;REEL/FRAME:003847/0050 Effective date: 19801121 Owner name: ALLIED-LOCKE INDUSTRIES, INCORPORATED, GREEN RIVE Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNOR:LOCKE STEEL CHAIN CORPORATION;REEL/FRAME:003847/0060 Effective date: 19781101 Owner name: LOCK STEEL CHAIN CORPORATION, 1230 SABINE ST., HUN Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNOR:STELLAR INDUSTRIES, INC.;REEL/FRAME:003847/0063 Effective date: 19781031 Owner name: LOCKE MANUFACTURING COMPANIES, INC., INDIANA Free format text: CHANGE OF NAME;ASSIGNOR:LOCKE STEEL CHAIN COMPANY, THE;REEL/FRAME:003849/0068 Effective date: 19680305 |