Helical tube with lamps or electric bells and sliding ball

Details Helical tube with lamps or electric bells and sliding ball Helical tube with lamps or electric bells and sliding ball

1976-09-27

1978-03-14

Mancene, Louis G.

46228, A63H 3326

Patent

active

040783308

ABSTRACT:
An elongated length of flexible hollow tubing is wound into a helix. First and second battery powered lamps are detachably inserted into the first and second opposite open ends of the tubing. Each lamp has a pair of normally open flexible contacts in the tube. The lamp is dark when its contacts are open and is lit when its contacts are closed. A member is slidable in the tubing and has sufficient weight to close either pair of contacts when engageable therewith. The lamps can be replaced by electric bells.

REFERENCES:
patent: 2903820 (1959-09-01), Bodell
patent: 3758981 (1973-09-01), Hiasnicek et al.

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