US2532928A - Rivet setting arm - Google Patents
Rivet setting arm Download PDFInfo
- Publication number
- US2532928A US2532928A US497109A US49710943A US2532928A US 2532928 A US2532928 A US 2532928A US 497109 A US497109 A US 497109A US 49710943 A US49710943 A US 49710943A US 2532928 A US2532928 A US 2532928A
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- Prior art keywords
- rivet
- shoe
- pins
- work
- face
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
- B21J15/00—Riveting
- B21J15/10—Riveting machines
- B21J15/30—Particular elements, e.g. supports; Suspension equipment specially adapted for portable riveters
- B21J15/32—Devices for inserting or holding rivets in position with or without feeding arrangements
Definitions
- the invention is' described and illustrated in a"pr"efeir'ed Torin applied to 'a-rivet setting alrnfidesigneii so that-itmay be Substituted for 'the eorres o'nciing pa'rt i'na known make of rivet- ?i'ng maohineg-bnt various "modifications of the nesenwaemmemmn of the invention may be n iade 'without-departingfrom thescope of the invention 's defined by the appended claims.
- g Fi'gnr'el is -'a viewin said elevation-showing heedore riveting inaehine'fitted with the arm-of rny invention.
- Figure-2 is a pers 'pective view partly in sectio'n on an 'enlarged scale of the rivet setting arm oginy inveiitien.
- 'F'i'guTe- B isa sec-tionalview teken en the line 5 4 of Figure 2 showing the positien of ithe parts-during the mini stage'of "driving the rivet head.
- the stem 1 B ds of interest to the disclosure of thi's-inventio'i-i"only-in the flatter capei t'y.
- the head I'2 carries -''a; pan-r of -cy'1ind'ei's fitted t'ii-th phingers' -on-'0n'e of Which-is mounte'dm die carrier.
- the 'other plunger- carries a rivet setting arin ef this -'inventi'on, "this latter :iili-irige'r cooperating -inthe actuationofthe rivet settin arm.
- Shoe 22 is provided with a central bore 25 having a diameter such that the heads of rivets of the size being used may slide easily through the shoe, the upper end of the bore preferably being flared to facilitate entry of rivets, stem first, into the bore.
- Set Hi is of such form as to fit easily in the bore and at the limit of its downward movement completely fills the bore, the lower end of the set being then level with the work face of shoe 22. The force to upset the rivet is applied by the work face of the set is to the rivet head and the force necessary to clamp the shoe 22 on the work is transmitted to the upper face of the shoe through shoulder it formed on set M.
- the shoe 22 is provided with bores 28 28 28, of equal diameter extending radially from bore 26 to the outer surface of the shoe, the bores being arranged at equal angles to one another and in a common horizontal plane.
- Pins 33 33, 38 are mounted in bores 28 28 28 with a sliding fit, the inward movement of the pins being limited by heads 32 32* 32 at the outer ends of the pins, and the pins be- P ing held against rotation in their movement by slots 34*, 34, 36 and threaded pins 36 39, 36,
- the pins 38*, 3% 38 are normally held in inward position by a length of spiral spring 38 of small diameter which acts upon all three pins, being received in grooves 4%, 53 36 in the heads of the pins.
- the upper portion of the inner end of each pin is formed with an inwardly and downwardly bevelled surface.
- the force exerted by the set when it engages the bevelled surfaces of the pins 39 or the head of a rivet l I supported thereon is sufficient to overcome the resistance of a spring tending to raise the riveting arm, but is not sufficient to cause outward displacement of the pins until the shoe contacts the work.
- the inner ends of the pins serve to support the rivet in the bore until the set M in its downward movement holds the rivet between its lower face and the upper face of the punch member E8.
- the inner ends of pins 30 38 are bevelled both to support the head of the rivet and also to act as cam surfaces for engagement by the set in its downward movement after shoe 22 rests upon the work to free the rivet for downward movement.
- the shoe shown in the drawings is used with a 100 countersunk rivet and the angle of the bevel on the pins is about 30, but the angle of the bevel can, of course, be of any suitable degree.
- the rivet head therefore, contacts the bevelled surfaces only at its uppermost circular edge, which avoids underscoring of the heads of the rivets.
- the length of the pins is such that when the pins are in inward position, the vertical faces at the inner ends of the pins form a triangular opening by which the rivets are maintained in vertical position to seat accurately upon the upper face of the punch I8 when the rivet is allowed to move downwardly in the shoe by the outward movement of pins Sil 30 3d caused by the inward movement of the set M.
- the depth of the shoe 22 and the level therein of the pins 30 30, 30 are such that the rivet is supported in the shoe with its end projecting sufiiciently below the lower face of the shoe to facilitate accurate positioning of the rivet in the rivet hole.
- rivet setting arm of the invention has been described as used with countersunk rivets it is obvious that the rivet setting arm can be adapted for use with other types of rivet. Accordingly a number of rivet setting arms are provided to enable one machine to handle different forms or sizes of rivet. It will be noted that the rivet setting arms and sets can readily be changed, as is common practice in riveting machines of this type.
- the arm 24 swings to and from a rivet magazine during the rivet hole punching operation according to known practice, the rivet falling, stem first, into the central bore in the shoe 22 and coming to rest with its stem in the opening formed by the inner ends of pins 36 36 3t and with its head supported on the beveled surface formed on the upper portion of the inner ends of the pins.
- the shoe 22 is positioned above the punch means 18 in which the punch member has been freed from the positive abutment means which holds the punch during the punching operation.
- the punch means at this time is held in projecting position by the frictional grip of the punched metal and a spring, but can be forced downwardly to form the control portion of the bottom of a rivet head forming recess, by the downward movement of the rivet set during the rivet upsetting operation.
- They punch unit and the set are of conventional design, for
- a flush head rivet commonly referred to as 100 countersunk rivet l l is supported in shoe 22 by pins 3%, 39 3& with the end of the rivet shank projecting slightly below the lower face of shoe 22 to facilitate accurate positioning of the rivet.
- the rivet set at this time is descending into the bore in the riveting shoe.
- the lower ⁇ I fiat surface of the set strikes against the beveled surface of the pins or against a rivet head resting on said beveled surfaces, and as spring means tending to raise the rivet setting arm offer less resistance to displacement than the pins held inwardly by spring 33, the set moves the shoe 22 downwardly until the shoe rests upon the work.
- the continued downward movement of the set moves the pins radially outward, forcing the rivet ahead of it and driving the punch downward against the resistance of the aforementioned spring until the punch reaches the limit of its downward movement where it forms the central portion of the bottom of the recess in which the upsetting of the head now takes place.
- the rivet set continues downward movement until level with the lower surface of the shoe I2 which is resting upon the work, the forming of the driven head of the rivet being then completed.
- shoulder l5 on the set engages shoe 22 to clamp it down upon the work, but due to the smooth unitary work face of shoe 22 no marring of the work can occur.
- a rivet of a given size is substantially held to a true position b a rivet setting arm designed for that size of rivet, since, even if the rivet head is released by the positioning pins and drops away from the rivet set for a brief interval before the rivet set again engages the head, this time interval is too short to permit material tilting of the rivet to occur.
- a rivet setting device comprising: a unitary rivet setting shoe having a first uniplanar work face and a second, opposed face; a rivet receiving bore formed in said shoe and passing therethrough at right angles to said work face; means mounted on said shoe for disengageably supporting a rivet in said bore; and a rivet set having a shank portion of substantially the same diameter as said bore and reciprocable therein to force a rivet axially therethrough; said rivet set carrying an unyielding abutment for directly and positively engaging said second face to limit the inward movement of said set relative to said shoe and to positively force said shoe into pressure engagement with a work sheet; said abutment being spaced from the free end of said shank-portion a distance equal to or less than the distance from the plane of said work face to the point of contact of said abutment with said second face; the area of said work face being larger than the cross sectional area of said bore.
- a rivet setting device comprising: a rivet setting shoe having a first uniplanar Work face for engaging a work sheet and a second, opposed face; a rivet receivingfore formed in said shoe and passing therethrough at right angles to said work face; means mounted on said shoe for disengageably supporting a rivet in said bore; and a,- rivet set having a shank portion of substantially the same diameter as said bore and reciprocable therein to force a rivet axially therethrough; said rivet set carrying an abutment at a fixed, predetermined position with respect thereto for directly engaging said second face to limit the movement of the set into the shoe and to positively force said shoe into pressural engagement with a work sheet; said abutment being spaced from the free end of said shank portion a distance equal to the distance from the plane of said work to the point of contact of said abutment with said second face; the area of said work face being larger than the cross sectional area of said bore; and said work face and the free end of said set combining to provide a uniplanar work face constitu
- a rivet setting shoe having a uniplanar work face for engaging a work sheet; an abut-v ment on said shoe spaced from said work face; a rivet receiving bore formed in said shoe and passing therethrough at right angles to the work face; means on said shoe for disengageably supporting a rivet in said bore; and a rivet set having a shank portion of substantially the same diameter as said bore and drivable by said mechanism to reciprocate in said bore and drive a rivet axially therethrough; the free end of said shank portion having a flat face at right angles to the shank axis; an abutment on said set at a pre-' determined distance from the free end adapted to engage the abutment on said shoe to limit the telescoping action of said set and shoe and to force said shoe into pressural engagement with a work sheet; said predetermined distance being equal to the distance from the work face of said shoe to the abutment on said shoe; said work face and
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Footwear And Its Accessory, Manufacturing Method And Apparatuses (AREA)
Description
Dec. 5, 1950 F. A. MARTY 2,532,928
RIVET SETTING ARM Filed Aug. 2, 1945 2 Sheets-Sheet l Frank A. Marfy INVENTOR.
BY ATTORNEV Filed Aug. 2, 1943 Dec. 5 1950 v MARTY 2,532,928
RIVET SETTING ARM I Y 2 Sheets-Sheet 2 gig at [5 49 26a (366 W}! y 3 WAS 280 E/ "28a 36 a 4444 1, I Frank ,4. Maffy IIIIIIIIL INVENTOR BY g I ATTORNEY Patented Dec. 5, 1950 emiik 'iv'fiariy, Lee Angel'e's,
neu iee Aircraft Company, mm, 'Sitfit'a, Mon-- tee, emit.
:Apn iicaltion efiguetz, 194's, ser'iamo. 497,109
(cine- 52) A 'fl ifthf'objeet "'01" "the invention is to piovide a rivet"'s"etti'r"ig2iffn 'wiiieir'serves "both to nesitiontnerivet 'i'n "therivetho'le and'to clamp the fn'etel 'of the parts being riveted adjacent the rivet'hoie 'during the upsetting operation and at 'th't'eiffiiri'afion "of Said upsetting operation to eaeitrveiy arrest lfiCiVEmeht' of the "rivet set thereby preventing deformation'of the metal due tosaid opre'tion.
*Afiother object "er the invention to provide 'e'rivet setting 'arnrheving improved ineansfor naming 'a rivet inpesi'aien' so that the rivet may befajeeurately registered with the riv'ethoie.
"Still furti'ie'r 'o'bjeets and features of the invention may "hereinefter appear from the following description taken in conjunction with the ee 'com oanying'd'rawing's.
The invention is' described and illustrated in a"pr"efeir'ed Torin applied to 'a-rivet setting alrnfidesigneii so that-itmay be Substituted for 'the eorres o'nciing pa'rt i'na known make of rivet- ?i'ng maohineg-bnt various "modifications of the nesenwaemmemmn of the invention may be n iade 'without-departingfrom thescope of the invention 's defined by the appended claims.
the irewings, in which identical numerals ingiitiete identical parts,
g Fi'gnr'el is -'a viewin said elevation-showing heedore riveting inaehine'fitted with the arm-of rny invention.
Figure-2 is a pers 'pective view partly in sectio'n on an 'enlarged scale of the rivet setting arm oginy inveiitien.
tner-ivet-ehee the "rivet setting arm to support the *ii've't until hushed out M saici-settine-erm byerivetset.
Figures "4 and 5 ere Section-a1 views taken-on the tine-fl t of Fi-gure '2 show ng the rel-'eitive "positionshf a rive't and the positioning pins in the riveting arm shoe at different Stages of :the o'peraktive'movement of the rivet set.
'F'i'guTe- B isa sec-tionalview teken en the line 5 4 of Figure 2 showing the positien of ithe parts-during the mini stage'of "driving the rivet head.
='Figure 1 shows the head-e1" a riveting quaehi-ne in which the device of the invention is substituted for a similar part; the actuating means er *the m ach'in'e operating the r-i-vet -setfingerof this inventienwithout anychan'ge. Suh ecteating --me'ans'do not enter "into the 'veiition and therefore with only bee-generallydescribed '-as tar es -=may be :nec'essary to a tandem s'teind the ep'plieatien 'of -th'e inve'ntien.
The me'ehine-compr-i's'es genera11y e 'G-s'haped @1'3'12616 4 B '-prov-ided *W'ith a, *head -12 -in *whieh is moiinted a suitable qnetoneper'eting-e set M for 'v'ertio'a'l "reeipi'ocatory mevemen't, the -set exerting fe'rce downwardly against an anvil t8 mounted on the freime l fleelow the set.
The *einvil F6 "hasinourite'd usually therein --a stem #8 W hieh is prejeted upwejrily aga iris't the ivork and 1ocked -t'o act=as a punch when the =set 'forces a fi-ie downwardi'y"thereover but is'fred -to-move downwardly mm the anvil tofor-mn part thereof under the pressure-of the set when a rive't is to be-upset -inthe hcfle previously punched. "The stem 1 B ds of interest to the disclosure of thi's-inventio'i-i"only-in the flatter capei t'y.
"The head I'2 carries -''a; pan-r of -cy'1ind'ei's fitted t'ii-th phingers' -on-'0n'e of Which-is mounte'dm die carrier. The 'other plunger-carries a rivet setting arin ef this -'inventi'on, "this latter :iili-irige'r cooperating -inthe actuationofthe rivet settin arm.
'lh'edie carryingerma'nd the rivetsetting arm are alternately-"swung into position below'the eet 14-when the a tter isfin raised positionenii first the "die,"-a;nd, on the next downward fmovetnepnrpo'se o f m'ounting'rivetpositioning means, 'Ieter descrils'ed "end' to e'ct a's"-a. clamp upon the 3 work around the rivet during the final forming of the driven rivet head. It is pointed out that since shoe 22 is unitary and the work engaging face thereof smooth and unbroken and of considerable area, no marring of the sheet being riveted can occur.
Pins 33 33, 38, are mounted in bores 28 28 28 with a sliding fit, the inward movement of the pins being limited by heads 32 32* 32 at the outer ends of the pins, and the pins be- P ing held against rotation in their movement by slots 34*, 34, 36 and threaded pins 36 39, 36,
tted into tapped bores in the head and projecting into said slots.
The pins 38*, 3% 38 are normally held in inward position by a length of spiral spring 38 of small diameter which acts upon all three pins, being received in grooves 4%, 53 36 in the heads of the pins. The upper portion of the inner end of each pin is formed with an inwardly and downwardly bevelled surface. The force exerted by the set when it engages the bevelled surfaces of the pins 39 or the head of a rivet l I supported thereon is suficient to overcome the resistance of a spring tending to raise the riveting arm, but is not sufficient to cause outward displacement of the pins until the shoe contacts the work.
The inner ends of the pins serve to support the rivet in the bore until the set M in its downward movement holds the rivet between its lower face and the upper face of the punch member E8. The inner ends of pins 30 38 are bevelled both to support the head of the rivet and also to act as cam surfaces for engagement by the set in its downward movement after shoe 22 rests upon the work to free the rivet for downward movement. The shoe shown in the drawings is used with a 100 countersunk rivet and the angle of the bevel on the pins is about 30, but the angle of the bevel can, of course, be of any suitable degree. The rivet head, therefore, contacts the bevelled surfaces only at its uppermost circular edge, which avoids underscoring of the heads of the rivets. The length of the pins is such that when the pins are in inward position, the vertical faces at the inner ends of the pins form a triangular opening by which the rivets are maintained in vertical position to seat accurately upon the upper face of the punch I8 when the rivet is allowed to move downwardly in the shoe by the outward movement of pins Sil 30 3d caused by the inward movement of the set M.
The depth of the shoe 22 and the level therein of the pins 30 30, 30 are such that the rivet is supported in the shoe with its end projecting sufiiciently below the lower face of the shoe to facilitate accurate positioning of the rivet in the rivet hole.
While the rivet setting arm of the invention has been described as used with countersunk rivets it is obvious that the rivet setting arm can be adapted for use with other types of rivet. Accordingly a number of rivet setting arms are provided to enable one machine to handle different forms or sizes of rivet. It will be noted that the rivet setting arms and sets can readily be changed, as is common practice in riveting machines of this type.
In operation, the arm 24 swings to and from a rivet magazine during the rivet hole punching operation according to known practice, the rivet falling, stem first, into the central bore in the shoe 22 and coming to rest with its stem in the opening formed by the inner ends of pins 36 36 3t and with its head supported on the beveled surface formed on the upper portion of the inner ends of the pins. On the return from the rivet magazine, the shoe 22 is positioned above the punch means 18 in which the punch member has been freed from the positive abutment means which holds the punch during the punching operation. The punch means at this time is held in projecting position by the frictional grip of the punched metal and a spring, but can be forced downwardly to form the control portion of the bottom of a rivet head forming recess, by the downward movement of the rivet set during the rivet upsetting operation. They punch unit and the set are of conventional design, for
which reason no more specific description of these parts is considered necessary.
When shoe 22 has been swung into rivet setting position and the rivet set has been brought into operation, the functioning of the rivet setting shoe of my invention is as follows:
In Figure 4 a flush head rivet commonly referred to as 100 countersunk rivet l l is supported in shoe 22 by pins 3%, 39 3& with the end of the rivet shank projecting slightly below the lower face of shoe 22 to facilitate accurate positioning of the rivet. The rivet set at this time is descending into the bore in the riveting shoe. As the rivet set continues downward movement the lower {I fiat surface of the set strikes against the beveled surface of the pins or against a rivet head resting on said beveled surfaces, and as spring means tending to raise the rivet setting arm offer less resistance to displacement than the pins held inwardly by spring 33, the set moves the shoe 22 downwardly until the shoe rests upon the work. The continued downward movement of the set moves the pins radially outward, forcing the rivet ahead of it and driving the punch downward against the resistance of the aforementioned spring until the punch reaches the limit of its downward movement where it forms the central portion of the bottom of the recess in which the upsetting of the head now takes place. The rivet set continues downward movement until level with the lower surface of the shoe I2 which is resting upon the work, the forming of the driven head of the rivet being then completed. During the last phase of this operation shoulder l5 on the set engages shoe 22 to clamp it down upon the work, but due to the smooth unitary work face of shoe 22 no marring of the work can occur.
It will be noted that minor variations in the shape of the rivet head may cause the rivet set to engage the rivet head before it can strike the beveled ends of the pins but the operation described is not in any way affected.
It is pointed out that a rivet of a given size is substantially held to a true position b a rivet setting arm designed for that size of rivet, since, even if the rivet head is released by the positioning pins and drops away from the rivet set for a brief interval before the rivet set again engages the head, this time interval is too short to permit material tilting of the rivet to occur.
It is also pointed out that the shoe 22 of the rivet setting arm is firmly pressed against the work during completion of the rivet upsetting operation, thereby guarding against deformation of the metal surrounding the rivet, but because of the smooth character of the extended area of the lower face of the unitary head and the flat surface of the rivet set which is level therewith, marring of the surface of the work is avoided.
The rivet setting arm of my invention as illustrated has proved very satisfactory in service but it is evident that various modifications of the illustrative embodiment herein described may be devised, as for instance, to enable rivets of varying sizes to be used without changing the setting arm and shoe. By using a suitable rivet setting arm and rivet set all types of rivets can be used and I claim all such modifications as may fall within the scope of the appended claims.
I claim:
1. A rivet setting device comprising: a unitary rivet setting shoe having a first uniplanar work face and a second, opposed face; a rivet receiving bore formed in said shoe and passing therethrough at right angles to said work face; means mounted on said shoe for disengageably supporting a rivet in said bore; and a rivet set having a shank portion of substantially the same diameter as said bore and reciprocable therein to force a rivet axially therethrough; said rivet set carrying an unyielding abutment for directly and positively engaging said second face to limit the inward movement of said set relative to said shoe and to positively force said shoe into pressure engagement with a work sheet; said abutment being spaced from the free end of said shank-portion a distance equal to or less than the distance from the plane of said work face to the point of contact of said abutment with said second face; the area of said work face being larger than the cross sectional area of said bore.
2; A rivet setting device comprising: a rivet setting shoe having a first uniplanar Work face for engaging a work sheet and a second, opposed face; a rivet receivingfore formed in said shoe and passing therethrough at right angles to said work face; means mounted on said shoe for disengageably supporting a rivet in said bore; and a,- rivet set having a shank portion of substantially the same diameter as said bore and reciprocable therein to force a rivet axially therethrough; said rivet set carrying an abutment at a fixed, predetermined position with respect thereto for directly engaging said second face to limit the movement of the set into the shoe and to positively force said shoe into pressural engagement with a work sheet; said abutment being spaced from the free end of said shank portion a distance equal to the distance from the plane of said work to the point of contact of said abutment with said second face; the area of said work face being larger than the cross sectional area of said bore; and said work face and the free end of said set combining to provide a uniplanar work face constituting in effect a solid bucking bar having a smooth contact face of considerably larger area than that of said set alone.
3. In combination with a riveting machine including mechanism to drive a reciprocatable rivet set: a rivet setting shoe having a uniplanar work face for engaging a work sheet; an abut-v ment on said shoe spaced from said work face; a rivet receiving bore formed in said shoe and passing therethrough at right angles to the work face; means on said shoe for disengageably supporting a rivet in said bore; and a rivet set having a shank portion of substantially the same diameter as said bore and drivable by said mechanism to reciprocate in said bore and drive a rivet axially therethrough; the free end of said shank portion having a flat face at right angles to the shank axis; an abutment on said set at a pre-' determined distance from the free end adapted to engage the abutment on said shoe to limit the telescoping action of said set and shoe and to force said shoe into pressural engagement with a work sheet; said predetermined distance being equal to the distance from the work face of said shoe to the abutment on said shoe; said work face and the free end of said set combining to provide a uniplanar work face constituting in effect a solid bucking bar having a smooth contact face considerably larger than that of said set alone drivable by said mechanism into contact with a work sheet and a rivet therein.
FRANK A. MARTY.
REFERENCES CITED The following references are of record in the file of this patent:
UNITED STATES PATENTS Number Name Date 225,482 Mower Mar. 16, 1880 833,441 Caskey Oct. 16, 1906 2,056,559 Berliner Oct. 6, 1936 2,230,518 Weinhold Feb. 4, 1941 2,310,008 Wolff Feb. 2, 1943 2,320,360 Grey June 1, 1943 2,340,552 Mortl Feb. 1, 1944
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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US497109A US2532928A (en) | 1943-08-02 | 1943-08-02 | Rivet setting arm |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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US497109A US2532928A (en) | 1943-08-02 | 1943-08-02 | Rivet setting arm |
Publications (1)
Publication Number | Publication Date |
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US2532928A true US2532928A (en) | 1950-12-05 |
Family
ID=23975501
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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US497109A Expired - Lifetime US2532928A (en) | 1943-08-02 | 1943-08-02 | Rivet setting arm |
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US (1) | US2532928A (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2800814A (en) * | 1953-07-31 | 1957-07-30 | United States Steel Corp | Slug-positioner for ball-making machines |
US3777966A (en) * | 1970-02-12 | 1973-12-11 | V Green | Means for setting grommets in woven fabrics |
US11408541B2 (en) * | 2016-06-16 | 2022-08-09 | Bizlink Industry Germany Gmbh | Coupling device for connecting elongated hollow bodies in an assembly system |
Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US225482A (en) * | 1880-03-16 | Samuel e | ||
US833441A (en) * | 1902-04-04 | 1906-10-16 | Samuel S Caskey | Riveter. |
US2056559A (en) * | 1933-10-07 | 1936-10-06 | Henry A Berliner | Punching and riveting machine |
US2230518A (en) * | 1938-09-06 | 1941-02-04 | Demag Drucklufttech | Machine with pressure medium drive for riveting perforated workpieces |
US2310008A (en) * | 1939-05-16 | 1943-02-02 | Scovill Manufacturing Co | Apparatus for setting buttons and the like |
US2320360A (en) * | 1941-11-05 | 1943-06-01 | Teletype Corp | Quick-change device |
US2340552A (en) * | 1939-10-21 | 1944-02-01 | Mortl Hubert | Riveting apparatus |
-
1943
- 1943-08-02 US US497109A patent/US2532928A/en not_active Expired - Lifetime
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US225482A (en) * | 1880-03-16 | Samuel e | ||
US833441A (en) * | 1902-04-04 | 1906-10-16 | Samuel S Caskey | Riveter. |
US2056559A (en) * | 1933-10-07 | 1936-10-06 | Henry A Berliner | Punching and riveting machine |
US2230518A (en) * | 1938-09-06 | 1941-02-04 | Demag Drucklufttech | Machine with pressure medium drive for riveting perforated workpieces |
US2310008A (en) * | 1939-05-16 | 1943-02-02 | Scovill Manufacturing Co | Apparatus for setting buttons and the like |
US2340552A (en) * | 1939-10-21 | 1944-02-01 | Mortl Hubert | Riveting apparatus |
US2320360A (en) * | 1941-11-05 | 1943-06-01 | Teletype Corp | Quick-change device |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2800814A (en) * | 1953-07-31 | 1957-07-30 | United States Steel Corp | Slug-positioner for ball-making machines |
US3777966A (en) * | 1970-02-12 | 1973-12-11 | V Green | Means for setting grommets in woven fabrics |
US11408541B2 (en) * | 2016-06-16 | 2022-08-09 | Bizlink Industry Germany Gmbh | Coupling device for connecting elongated hollow bodies in an assembly system |
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