Vacuum cleaner hose manufacture

Details Vacuum cleaner hose manufacture Vacuum cleaner hose manufacture

1979-03-30

1984-08-21

McQuade, John

Geometrical instruments

339 16R, 339218M, H01R 1350

Patent

active

044666772

ABSTRACT:
A vacuum cleaner hose manufacture wherein terminals are secured to the ends of a pair of helical wires included in the hose carcass. The terminals are maintained in accurate spaced relationship and in accurate relationship to the centerline of the hose carcass through the use of an improved terminal holder. The holder receives connecting portions of the terminals to maintain them in the desired accurate spaced relationship. A mold provided for molding the hose connector about the hose ends with the terminal holder and terminals included therein includes aligning structure for engagement with the holder or the terminals themselves to effect the desired alignment of the terminals with the axis of the hose carcass. The holder may be provided with a pair of through openings for receiving the connecting portions of the terminals for facilitated manufacture of the hose end construction. The holder is retained in the molded hose end and functions to maintain the desired accurate spacing and alignment with the hose axis upon removal from the mold. The terminals include wedging portions adapted to slice through the hose conductor insulation and into positive metal-to-metal engagement with the conductors for effecting the desired electrical connection of the terminals to the hose conductors or wires.

REFERENCES:
patent: Re29666 (1978-06-01), Reynolds et al.
patent: 2516864 (1950-08-01), Gilmore et al.
patent: 3034085 (1962-05-01), Pauler et al.
patent: 3127227 (1964-03-01), Edwards
patent: 3314039 (1967-04-01), Opper
patent: 3611257 (1971-10-01), Carkhuff
patent: 3636285 (1972-01-01), Wickham et al.
patent: 3683319 (1972-08-01), Vigeant et al.
patent: 3848954 (1974-11-01), Sedlacek
patent: 3928715 (1975-12-01), Holden
patent: 4162370 (1979-07-01), Dunn et al.

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