Spring tightener

Details Spring tightener Spring tightener

1990-01-18

1996-10-15

Kisliuk, Bruce M.

Metal working

Means to assemble or disassemble

Spring applier or remover

254 105, B23P 1904

Patent

active

055641725

ABSTRACT:
A spring tightener includes a central tube assembly which includes a cylindrical guide tube having a lower end with a seat bushing having an axial thrust bearing in which a flange ring at the lower end of a threaded spindle is positioned for securing and rotatably supporting the spindle. A coupling tube is telescopically movable in the guide tube and the device includes a cam engageable with a slot of an adjacent tube for the positive locking guidance of these tubes. A threaded tube is connected to the outer end of the coupling tube and it is internally threaded and in threaded engagement with a spindle which is journalled in the seat bushing of the guide tube. A first pressure plate is provided with recesses which engage against outwardly extending radial fingers of the threaded tube and a second pressure plate is mounted over the cylindrical guide tube and bears against a bearing surface at the lower end of the guide tube.

REFERENCES:
patent: 3747895 (1973-07-01), Martin
patent: 4527782 (1985-07-01), Klann
patent: 4541614 (1985-09-01), Klann
patent: 4809951 (1989-03-01), Klann

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