Metal working – Means to assemble or disassemble – Spring applier or remover
Patent
1979-03-09
1980-09-02
Jones, Jr., James L.
Metal working
Means to assemble or disassemble
Spring applier or remover
254 105, B23P 1904
Patent
active
042199182
ABSTRACT:
A compression spring cramp for large helical or coil springs, particularly, axle springs of motor vehicles, comprises, a hollow guide tube with a threaded spindle rotatably mounted in the guide tube. A first spring gripper member has an inner portion secured to the hollow guide tube adjacent the top thereof and has a substantially semi-cylindrical spring engaging channel portion which extends outwardly from the inner portion and has a channel opening extending downwardly so as to be engageable over the coil of the spring. A second gripper has an inner slider portion which is threadedly engaged on the threaded spindle for movement upwardly and downwardly on the guide tube and includes an outer portion with a substantially cylindrical spring engaging channel portion extending outwardly from the slider portion exteriorally of the guide tube and opening upwardly to engage below a coil of the spring. The spindle is rotatable such as by an attached or separately supplied tool which may, for example, comprise a wrench engageable with a hexagonal or squared nut end of the spindle which extends outwardly of the guide tube or by a fluid pressure driven rotor which is incorporated as an extension of the guide tube and which includes a rotor connectable to the spindle which is driven by fluid pressure such as compressed air.
REFERENCES:
patent: 2043140 (1936-06-01), Wilmesherr
patent: 3067500 (1962-12-01), Bliss
patent: 3256594 (1966-06-01), Howard et al.
patent: 3747895 (1973-07-01), Martin
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