Garage door spring tensioning apparatus

Details Garage door spring tensioning apparatus Garage door spring tensioning apparatus

1979-01-17

1981-03-03

Smith, James G.

Tools

Receptacle closure remover

Gripping type

81 62, B25B 1348

Patent

active

042533503

ABSTRACT:
This invention is a spring tensioning device for applying proper tension to springs utilized widely in garage doors, and the like. The device consists of a collar which can be slipped over a rod around which such spring is wound, which device is fitted with a pair of ratcheting mechanisms and a device to hold the same in place while the ratchets are used. Additionally, the apparatus has boss means for hooking into the spring collar for applying the correct tension through the use of the ratcheting arrangement. Additionally, the apparatus has means for attaching to a collar fastened to one end of the spring in order to turn the collar and, thus, the spring through the use of the ratcheting mechanism.

REFERENCES:
patent: 2578686 (1951-12-01), Fish
patent: 2982162 (1961-05-01), Golden
patent: 3651719 (1972-03-01), Wessel
patent: 3979977 (1976-09-01), Dorma

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