Facet Enterprises, Inc.

Ralph D Terhune

Clifford D Haggard

Garfield A Wood, Iii

James D Murphy

A filter assembly including a base for supporting and providing fluid connection to a removable filter cartridge, the base having a hollow connecting end for mating with the cartridge, a removable filter cartridge comprising a filter medium and having a connecting end shaped to mate coaxially with the end of the base in a rotatable, telescopic relationship, the connecting end of one of the base and the cartridge having lug means extending radially toward the end of the other, the other connecting end having corresponding passage means for lockably receiving the lug means, the telescopically related mating ends of the base and cartridge providing radially opposed surfaces of circular cross-section about the mutual axis of the connecting ends of the base and cartridge, and a circular elastomeric sealing ring providing a radial seal between the circular cross-section surfaces, preventing liquid flow past it between the telescopic ends. Also disclosed are a spring locking mechanism to bias the lug means into locked position, and a filter cartridge having its filter medium both mechanically and adhesively secured to its connecting end member.

Filter assembly with lockable lug means

A filter assembly including a base for supporting and providing fluid connection to a removable filter cartridge, the base having a hollow connecting end for mating with the cartridge, a removable filter cartridge comprising a filter medium and having a connecting end shape to mate coaxially with the end of the base in a rotatable, telescopic relationship, the connecting end of one of the base and the cartridge having lug means extending radially toward the end of the other, the other connecting end having corresponding passage means for lockably receiving the lug means, the telescopically related mating ends of the base and cartridge providing radially opposed surfaces of circular cross-section about the mutual axis of the connecting ends of the base and cartridge, and a circular elastomeric sealing ring providing a radial seal between the circular cross-section surfaces, preventing liquid flow past it between the telescopic ends. Also disclosed are a spring locking mechanism to bias the lug means into locked position, and a filter cartridge having its filter medium both mechanically and adhesively secured to its connecting end member.

A dampener roller cartridge for mounting on a cylindrical support comprising a core tube having a central bore to receive the cylindrical support, the core tube being characterized by having an annular wall thickness of at least one-third the radius of the tube, and a coherent network structure providing a density of less than 0.5, the plastic substance and the network structure providing the tube with sufficient resilience to be resiliently deformed by a radially applied force by a mating roller and to recover its original shape after the cessation of the radially applied force, and further providing the core tube with sufficient rigidity to permit tight slidable mounting of the core tube on the cylindrical support, and a moisture-absorbent, outer sleeve secured about the circumference of the core tube. Also disclosed are securing a fabric sleeve to a core tube by heat-shrinking and double-sided adhesive tape near the ends of the core tube to prevent axial and circumferential slippage of the sleeve; and an assembly for supporting a dampener roller cartridge on a support cylinder between two end caps, one of which is held against the support cylinder via threaded axial connectors.

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Broken Arrow, OK, United States of America

Ralph D Terhune