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Improvements in or relating to suspension and straining clamps for electric conductors. Johannes Wilhelm Hofmann, September 20, 1928: GB297160-A (209 worldwide citation)

297,160. Hofmann, J. W. June 23, 1927. Drawings to Specification. Clamps for cables.-The parts of a clamp for suspending or straining electric cables which are in contact with the conductor are made of the same metal as the conductor, while the other parts are made of iron or steel. Corrosion betwee ...


2
Improvements in or relating to electric insulator suspension devices. Johannes Wilhelm Hofmann, March 29, 1928: GB287753-A (6 worldwide citation)

287,753. Hofmann, J. W. June 23, 1927. Insulators.-Relates to a suspension insulator of the kind in which the body part is formed with a socket d, having an opening on one side, which receives the enlarged head of a bolt c forming part of the next insulator in the chain. A folded spring cotter a is ...


3
Improvements in or relating to clamps for electric conductors. Johannes Wilhelm Hofmann, June 7, 1928: GB291623-A (1 worldwide citation)

291,623. Hofmann, J. W. June 23, 1927. Couplings and connectors. - A clamp for connecting a branch to an electric conductor consists of two members c, d connected by bolts e, the members being so shaped that conductors of different diameters can be clamped. The member d is formed with two parallel g ...


4
Improvements in or relating to wedged straining clamps for electric conductors. Johannes Wilhelm Hofmann, September 20, 1928: GB297159-A (1 worldwide citation)

297,159. Hofmann, J. W. June 23, 1927. Clamps for cables and conductors.-Relates to a straining-clamp for electric conductors in which the conductor is held fast by a wedge. According to the invention, the body b of the clamp is made U-shaped in cross-section so that the conductor a can be inserted ...


5
Improvements in or relating to apparatus for damping the oscillations of electric conductors. Johannes Wilhelm Hofmann, June 11, 1931: GB350187-A (1 worldwide citation)

350,187. Overhead cables. HOFMANN, J. W., Kotzschenbroda, near Dresden, Germany. May 10, 1930, No. 14452. Convention date, Feb. 12. Addition to 332,900, [Class 36, Electricity, Conducting &c.]. [Class 36.] In a device for damping the vibrations of overhead cables of the type described in the parent ...


6
Improvements in earth conductor suspensions. Johannes Wilhelm Hofmann, December 16, 1930: GB339970-A

339,970. Hofmann, J. W. Sept. 16, 1929. Clips and holders for cables and conductors.-A clamp for supporting the earth conductor of an overhead transmission line is constructed to permit the free passage of oscillations between adjacent spans of the conductor. In the construction shown, an earth wire ...


7
Improvements in or relating to clamps for electric conductors. Johannes Wilhelm Hofmann, June 14, 1928: GB291968-A

291,968. Hofmann, J. W. June 23, 1927. Clips and holders for cables.-A clamp for attaching overhead conductors to suspension insulators is so constructed that it opens fully and releases the conductor when it is subjected to an abnormal lateral pull which may be caused, for example, by breakage of t ...


8
Improvements in supporting clamps for electrical overhead lines. Johannes Wilhelm Hofmann, May 14, 1931: GB348478-A

348,478. Suspending conductors. HOFMANN, J. W., Kotzschenbroda, near Dresden, Germany. Aug. 11, 1930, No. 24056. [Class 36.] ' In a suspension clamp for an overhead conductor, of the type in which the clamping trough is pivoted to a suspension element carried by an insulator chain, the clamping trou ...


9
Improvements in or relating to couplings for electric conductors. Johannes Wilhelm Hofmann, February 16, 1928: GB285303-A

285,303. Hofmann, J. W. June 23, 1927. Sleeve couplings.-The ends of the cables d are gripped by conical members a located within split conical clamping members e that are thereby pressed outwardly against an enclosing shell b. This outward pressure is set up by a blocking nut c screwed into the she ...


10
No title available. Johannes Wilhelm Hofmann, July 18, 1929: GB295677-A

295,677. Hofmann, J. W. Aug. 17, 1927, [Convention date]. Couplings and connectors.-In order to connect branch conductors of various diameters to overhead conductors of various diameters, a clamp formed of two parts is provided, the main part comprising jaws b pressed against the main conductor a by ...



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