Garage door spring stretcher

Details Garage door spring stretcher Garage door spring stretcher

1984-12-18

1986-08-05

Jones, Jr., James L.

Metal working

Means to assemble or disassemble

Spring applier or remover

254 105, B23P 1904

Patent

active

046034617

ABSTRACT:
A device for tensioning and extending an elongate helical tension spring, one end of which is anchored and the other free end of which is disposed toward and spaced from a structure to which the spring is to be connected. The device includes a frame with a spring engaging saddle engageable with a side of the spring, between the ends thereof. The device next includes an elongate flexible girdle with one end anchored to the frame extending about the spring and having the other end releasably coupled to the frame. The device next includes a manually rotatable winch drum carried by the frame, a manually operable ratchet releasably stopping rotation of the drum and an elongate tow line with one end portion connected with and wound about the drum and its other end portion extending to and releasably coupled to the structure to which the spring is to be connected.

REFERENCES:
patent: 1056303 (1913-03-01), Riley
patent: 1869113 (1932-07-01), Noell
patent: 2617180 (1952-11-01), Wilkerson
patent: 4066242 (1978-01-01), Allevato

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