Tensioning device for bag filters

Patent · Tue Jul 01 04:00:00 EDT 1986

OSTI ID:5388225

Brennecke, J H; Mace, R E

A dust collector is described having a bag support frame and a cell plate to which is connected one end of a fabric sleeve filter, a self tensioning bag device comprising: compressible conical spring means interconnected between the bag support frame and the other end of the fabric sleeve filter opposite the one end connected to the cell plate, the spring means having first and second open ends wherein the first end is larger in diameter that the second end and the spring means tapers uniformly from the first end to the second end; retainer means overlying connected to the first end of the conical spring means and having a central opening therethrough, the retainer means providing a first spring biasing surface; first draw bar means having outwardly extending ears engaging the retainer means and a U-shaped spring penetrating portion received within the central opening of the retainer means and received longitudinally through the length of the spring means to terminate in a bight end outwardly from the second end of the spring means; bag connecting means coupled to the bight end of the first draw bar and connected to suspendingly support the filter therefrom; second draw bar means having outwardly extending ears engaging the second end of the spring means to provide a second spring biasing surface, the second draw bar means including a U-shaped spring penetrating portion received longitudinally through the length of the spring means and received within the central opening of the retainer means to terminate in a bight end outwardly from the retainer means; adjustable frame support means connected to the bag support frame and to the bight end of the second draw bar means; and whereby the filter sleeve is suspended from the bag support frame and approximately tensioned by the adjustable frame support means to permit the spring means to linearly act against the first and second spring biasing surfaces in opposing fashion.

• Assignee: Standard Havens, Inc., Kansas City, MO
• Patent Number(s): US 4597783
• OSTI ID: 5388225
• Country of Publication: United States
• Language: English

Related Subjects

42 ENGINEERING
424000* -- Engineering-- Pollution Control Equipment-- (1980-1989)
DUST COLLECTORS
FABRIC FILTERS
FASTENERS
FILTERS
MACHINE PARTS
MECHANICAL STRUCTURES
SPRINGS
STRAINS
SUPPORTS