Geometrical instruments
Patent
1980-03-18
1982-10-19
McGlynn, Joseph H.
Geometrical instruments
H01R 1126
Patent
active
043547265
ABSTRACT:
A connector for connecting a battery terminal to an electrical cable of an automotive vehicle, comprising: a gripping portion formed of elastically deformable material in the shape of a cylindrical or part-conical shell which has a slot formed axially thereof; two extensions from this gripping portion, each extending outwardly from one side of the slot, and extending generally in the same direction, approximately parallel to one another, and to one of which the cable is coupled; and a means for biasing these two extensions towards one another; with the particular feature that the inner surface of the gripping portion is formed with a plurality of high portions and low portions on it, so that, when it is brought around a battery terminal post and closely contacted thereto by the extensions being biased towards one another by the biasing means and deforming the gripping portion so that its inner surface is constricted, the contact area between the gripping portion and the battery terminal is substantially less than the total area of the inner surface of the gripping portion, and is interrupted by non-contacting portions of the said area. In particular embodiments, this inner surface of the gripping portion can be formed with troughs or with raised ribs, and these can either be axial along the inner surface, or can extend around its circumferential direction. Alternatively, this inner surface can be formed with either a raised or a depressed criss-cross diagonal pattern thereon. Further, a projection from one of the extensions may be provided as projecting towards the other extension, in order to prevent these extensions approaching one another closer than a certain fixed distance.
REFERENCES:
patent: 1759043 (1930-05-01), Derby
patent: 1916728 (1933-07-01), Hill
patent: 2222577 (1940-11-01), Thompson
patent: 3980387 (1976-09-01), Neidecker
patent: 4063794 (1977-12-01), Dittmann
Hashimoto Susumu
Kato Shin-ichi
Otani Syuichi
McGlynn Joseph H.
Nissan Motor Company Limited
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