EP0003289A1 - Bus bar with terminal lugs - Google Patents
Bus bar with terminal lugs Download PDFInfo
- Publication number
- EP0003289A1 EP0003289A1 EP79100066A EP79100066A EP0003289A1 EP 0003289 A1 EP0003289 A1 EP 0003289A1 EP 79100066 A EP79100066 A EP 79100066A EP 79100066 A EP79100066 A EP 79100066A EP 0003289 A1 EP0003289 A1 EP 0003289A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- bus bar
- terminal lugs
- section
- shaped cross
- side flanges
- 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.)
- Granted
Links
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Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R31/00—Coupling parts supported only by co-operation with counterpart
- H01R31/02—Intermediate parts for distributing energy to two or more circuits in parallel, e.g. splitter
Definitions
- the invention relates to a sectional bus bar with terminal lugs for spade connectors comprising a web and side flanges.
- Bus bars normally consist of sectional copper or aluminium bars onto which terminal lugs have been fixed for use with connectors. In many instances such bus bars have to resist forces of both a mechanical and an electrical nature, e.g. in the case of unintentional short circuits.
- the said terminal lugs can be punched or stamped in the bus bar proper. If the bus bar consists of sheet metal which by itself has only little rigidity, then it may be still further weakened by the punching of terminal lugs. If, on the other hand, the bus bar is sectional, by punching the terminal lugs in the bus bar in a suitable manner any appreciable weakening may be avoided.
- An object of the invention is to provide a construction which combines the advantages of known constructions in such a way that the bus bars acquire sufficient rigidity, at the same time as saving material by reducing the gauge of material required. Furthermore, special clamping provisions for branching may be avoided, thereby reducing the manual work needed when making installations inside cabinets.
- bus bar according to the invention which is characterised by terminal lugs punched in the web of the sectional bus bar.
- the bus bar according to the invention may be further characterised in having a U-shaped cross section and in that the terminal lugs are bent inwards from the web. In this manner a bus bar is obtained which is only slightly reduced in strength as compared with a similar bus bar without punched terminal lugs. At the same time a compact construction is obtained, since the connectors are disposed in the space between the side flanges. Furthermore, the bus bar according to the invention may be characterised in that the free ends of the side flanges in the U-shaped section may be bent so as to obtain a still more rigid construction.
- Fig. 1 shows the web 1 in which a hole 2 is drilled or punched for mounting the bus bar onto a frame or similar, and two terminal lugs 3a and 3b. These terminal lugs 3a and 3b are bent inwards into the space between the side flanges 4a and 4b at an angle of approx. 45° with respect to the web 1, which may be seen most clearly in Fig. 2. As is common in terminal lugs for spade connectors, the lugs 3a and 3b are provided with small holes 5a and 5b. In Fig. 3 it can be seen that the ends 6a and 6b of the side flanges 4a and 4b are bent inwards at right angles.
- bus bars An example of three bus bars according to the invention disposed in parallel is shown in Fig. 4.
- the bus bars are fixed to a frame 7 by means of screws 8.
- the various parts of the bus bars are numbered in the same manner as above.
- the cross section of the bus bar shown in Fig. 5 differs from the cross sections shown in Figs. 1 - 4 in that there are no bent-in flange ends.
- the cross section of the bus bar shown in Fig. 6 has the terminal lugs (3a') bent outwards, which means that the best way of attaching this bus bar to a frame 7 is by means of screws through the side flanges 4a or. 4b.
- the ends 6a' and 6b' of the side flanges 4a and 4b may be bent outwards as in Fig. 8. This is used where a maximum of space is needed around the terminal lugs 3, while retaining the rigidity derived from the bent ends of the side flanges.
- bus bars according to the invention may conveniently be manufactured by folding and punching copper or aluminium strip in a manner which is well-known in metalworking.
Abstract
Description
- The invention relates to a sectional bus bar with terminal lugs for spade connectors comprising a web and side flanges.
- Bus bars normally consist of sectional copper or aluminium bars onto which terminal lugs have been fixed for use with connectors. In many instances such bus bars have to resist forces of both a mechanical and an electrical nature, e.g. in the case of unintentional short circuits. In order to simplify the manufacture of such bus bars, the said terminal lugs can be punched or stamped in the bus bar proper. If the bus bar consists of sheet metal which by itself has only little rigidity, then it may be still further weakened by the punching of terminal lugs. If, on the other hand, the bus bar is sectional, by punching the terminal lugs in the bus bar in a suitable manner any appreciable weakening may be avoided.
- It is known, for example from Danish printed application 134,378, Danish Publicly Available application 3983/76, and US Patent 3,210,716, to use bus bars which are essentially U-shaped in cross section. It is also known, for example from German AS 1,909,166 and US Patent 3,902,778, to stamp terminal lugs for spade connectors in flat, rectangular bus bars. It has not, however, previously been suggested to combine these different methods of manufacture of a bus bar.
- An object of the invention is to provide a construction which combines the advantages of known constructions in such a way that the bus bars acquire sufficient rigidity, at the same time as saving material by reducing the gauge of material required. Furthermore, special clamping provisions for branching may be avoided, thereby reducing the manual work needed when making installations inside cabinets.
- These advantages are gained in a bus bar according to the invention, which is characterised by terminal lugs punched in the web of the sectional bus bar.
- The bus bar according to the invention may be further characterised in having a U-shaped cross section and in that the terminal lugs are bent inwards from the web. In this manner a bus bar is obtained which is only slightly reduced in strength as compared with a similar bus bar without punched terminal lugs. At the same time a compact construction is obtained, since the connectors are disposed in the space between the side flanges. Furthermore, the bus bar according to the invention may be characterised in that the free ends of the side flanges in the U-shaped section may be bent so as to obtain a still more rigid construction.
- The invention is to be described more fully with reference to the drawing, in which:-
- Fig. 1 shows part of a bus bar according to the invention and having a U-shaped cross section viewed into the hollow space,
- Fig. 2 shows the same in a side view,
- Fig. 3 shows a cross section at III-III in Fig. 1,
- Fig. 4 shows a system of bus bars according to the invention mounted in a frame and viewed from below,
- Fig. 5 shows a simpler embodiment of the invention viewed from one end,
- Fig. 6 shows the same as Fig. 5, but with the terminal lugs bent outwards,
- Fig. 7 shows a bus bar according to the invention having an H-shaped cross section and viewed from one end, and
- Fig. 8 shows a bus bar with a U-shaped cross section and with the ends of the side flanges bent outwards.
- Fig. 1 shows the
web 1 in which ahole 2 is drilled or punched for mounting the bus bar onto a frame or similar, and twoterminal lugs 3a and 3b. Theseterminal lugs 3a and 3b are bent inwards into the space between theside flanges web 1, which may be seen most clearly in Fig. 2. As is common in terminal lugs for spade connectors, thelugs 3a and 3b are provided withsmall holes ends side flanges - An example of three bus bars according to the invention disposed in parallel is shown in Fig. 4. The bus bars are fixed to a
frame 7 by means ofscrews 8. The various parts of the bus bars are numbered in the same manner as above. - The cross section of the bus bar shown in Fig. 5 differs from the cross sections shown in Figs. 1 - 4 in that there are no bent-in flange ends.
- The cross section of the bus bar shown in Fig. 6 has the terminal lugs (3a') bent outwards, which means that the best way of attaching this bus bar to a
frame 7 is by means of screws through theside flanges 4a or. 4b. The same applies for the bus bar having an H-shaped cross section shown in Fig. 7. - The
ends 6a' and 6b' of theside flanges terminal lugs 3, while retaining the rigidity derived from the bent ends of the side flanges. - A feature which is common to the bus bar cross sections shown in Figs. 1 - 6 and Fig. 8 is that the bus bars according to the invention may conveniently be manufactured by folding and punching copper or aluminium strip in a manner which is well-known in metalworking.
Claims (6)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DK111/78 | 1978-01-10 | ||
DK11178A DK148149C (en) | 1978-01-10 | 1978-01-10 | POWERFUL SKINS |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0003289A1 true EP0003289A1 (en) | 1979-08-08 |
EP0003289B1 EP0003289B1 (en) | 1982-08-25 |
Family
ID=8089865
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP79100066A Expired EP0003289B1 (en) | 1978-01-10 | 1979-01-10 | Bus bar with terminal lugs |
Country Status (6)
Country | Link |
---|---|
EP (1) | EP0003289B1 (en) |
DE (2) | DE2963570D1 (en) |
DK (1) | DK148149C (en) |
FI (1) | FI790073A (en) |
IE (1) | IE47722B1 (en) |
NO (1) | NO790063L (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
AU653466B2 (en) * | 1988-11-22 | 1994-09-29 | P & B Electrice Pty. Ltd. | Bus bar |
GB2279822A (en) * | 1993-07-07 | 1995-01-11 | Sumitomo Wall Systems Ltd | Construction for fixing bus bar miniature fuses to electrical connection box |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US10673050B2 (en) | 2015-01-05 | 2020-06-02 | Cps Technology Holdings Llc | Battery module terminal system and method |
Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2965872A (en) * | 1955-06-07 | 1960-12-20 | Underwriters Safety Device Co | Terminal connector block with plural conductor tabs |
US3088092A (en) * | 1956-01-16 | 1963-04-30 | Ferro Corp | Quickly applicable and removable bus bar |
US3210716A (en) | 1962-08-16 | 1965-10-05 | Ite Circuit Breaker Ltd | Bus structure |
FR1495973A (en) * | 1966-10-06 | 1967-09-22 | Amp Inc | Electrical connection element |
DE1909166A1 (en) | 1969-02-24 | 1970-10-15 | Siemens Ag | Arrangement for wiring electronic test assemblies |
FR2077177A5 (en) * | 1970-01-31 | 1971-10-15 | Amp Inc | |
US3902778A (en) | 1973-09-13 | 1975-09-02 | Atlee Corp | Flexible strip bus bar |
DK398376A (en) | 1975-09-05 | 1977-03-06 | Ericsson Telefon Ab L M | CONNECTOR FOR CONNECTING AN ELECTRIC WIRE TO A SANL RAIL |
DK134378A (en) | 1977-05-11 | 1978-11-12 | Bayer Ag | PROCEDURE FOR THE PREPARATION OF LOW MOLECULAR POLYHYDROXYL COMPOUNDS |
-
1978
- 1978-01-10 DK DK11178A patent/DK148149C/en not_active IP Right Cessation
-
1979
- 1979-01-09 NO NO790063A patent/NO790063L/en unknown
- 1979-01-10 EP EP79100066A patent/EP0003289B1/en not_active Expired
- 1979-01-10 DE DE7979100066T patent/DE2963570D1/en not_active Expired
- 1979-01-10 FI FI790073A patent/FI790073A/en unknown
- 1979-01-10 DE DE7900528U patent/DE7900528U1/en not_active Expired
- 1979-01-10 IE IE42/79A patent/IE47722B1/en not_active IP Right Cessation
Patent Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2965872A (en) * | 1955-06-07 | 1960-12-20 | Underwriters Safety Device Co | Terminal connector block with plural conductor tabs |
US3088092A (en) * | 1956-01-16 | 1963-04-30 | Ferro Corp | Quickly applicable and removable bus bar |
US3210716A (en) | 1962-08-16 | 1965-10-05 | Ite Circuit Breaker Ltd | Bus structure |
FR1495973A (en) * | 1966-10-06 | 1967-09-22 | Amp Inc | Electrical connection element |
DE1909166A1 (en) | 1969-02-24 | 1970-10-15 | Siemens Ag | Arrangement for wiring electronic test assemblies |
FR2077177A5 (en) * | 1970-01-31 | 1971-10-15 | Amp Inc | |
US3902778A (en) | 1973-09-13 | 1975-09-02 | Atlee Corp | Flexible strip bus bar |
DK398376A (en) | 1975-09-05 | 1977-03-06 | Ericsson Telefon Ab L M | CONNECTOR FOR CONNECTING AN ELECTRIC WIRE TO A SANL RAIL |
DK134378A (en) | 1977-05-11 | 1978-11-12 | Bayer Ag | PROCEDURE FOR THE PREPARATION OF LOW MOLECULAR POLYHYDROXYL COMPOUNDS |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
AU653466B2 (en) * | 1988-11-22 | 1994-09-29 | P & B Electrice Pty. Ltd. | Bus bar |
GB2279822A (en) * | 1993-07-07 | 1995-01-11 | Sumitomo Wall Systems Ltd | Construction for fixing bus bar miniature fuses to electrical connection box |
US5474475A (en) * | 1993-07-07 | 1995-12-12 | Sumitomo Wiring Systems, Ltd. | Construction for fixing bus bar for miniature fuses to electrical connection box |
GB2279822B (en) * | 1993-07-07 | 1997-07-30 | Sumitomo Wiring Systems | Construction for fixing bus bar for miniature fuses to electrical connection box |
Also Published As
Publication number | Publication date |
---|---|
DE7900528U1 (en) | 1979-05-03 |
DK148149B (en) | 1985-03-18 |
DK11178A (en) | 1979-07-11 |
DK148149C (en) | 1985-09-23 |
NO790063L (en) | 1979-07-11 |
FI790073A (en) | 1979-07-11 |
EP0003289B1 (en) | 1982-08-25 |
IE790042L (en) | 1979-07-10 |
DE2963570D1 (en) | 1982-10-21 |
IE47722B1 (en) | 1984-05-30 |
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