Spring breakage safety system

Details Spring breakage safety system Spring breakage safety system

1997-09-22

2000-08-08

Graham, Matthew C.

Spring devices

Coil

Including end thrust member

267169, 267 74, F16F 112

Patent

active

06098970&

ABSTRACT:
A spring having a helical body with opposed ends and two flexible safety cables each of which is coupled to one of said opposed ends, with the two flexible cables extending in opposite directions pass the center of the helical body, terminating in an attachment thereto. The helical body includes a plurality of coils with one end of each of the cables being coupled to one of the plurality of coils. The attachment includes an elliptically shaped journal through which one of the plurality of coils passes, thereby pivotally attaching the cable thereto. In one embodiment, a threaded boss is disposed at each end of the helical body. The threaded boss has a plurality of recesses, each of which is adapted to receive on of the plurality of coils. In this fashion, the threaded boss threadably engages the helical body.

REFERENCES:
patent: 1598480 (1926-08-01), Deal
patent: 3779537 (1973-12-01), Kalister
patent: 3847380 (1974-11-01), Kearns
patent: 3862751 (1975-01-01), Schwaller
patent: 3958367 (1976-05-01), Fairman
patent: 4757853 (1988-07-01), Price
patent: 4856765 (1989-08-01), Kohno
patent: 4869473 (1989-09-01), Giovanni
patent: 5246215 (1993-09-01), Takamura et al.

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