Flanged washer spring

Details Flanged washer spring Flanged washer spring

1991-12-18

1993-06-29

Oberleitner, Robert J.

Spring devices

Bendable along flat surface

Ring or annular spider

411544, 166178, F16F 134, F21B 31107, F16B 4302

Patent

active

052227189

ABSTRACT:
A flanged washer spring is provided, comprising a first disk having a central opening, outer periphery, a first side and a second side, the first disk further having an annular inner flange extending axially from the first side, and an annular outer flange extending axially from the second side, wherein a radial distance from the outer flange to the central opening is greater than a radial distance from the inner flange to the central opening. The disks are normally used in pairs with the outer flanges of the disks positioned axially adjacent to each other. The springs may be used in combination with a tool, such as a drilling accelerator or jar, having an elongated tubular body having a body stop for axially retaining a spring, and an elongated mandrel slidingly mounted within the tubular body, the mandrel having a mandrel stop for axially retaining a spring, the spring comprising a plurality of stacked disks.

REFERENCES:
patent: 1641059 (1927-08-01), Tausch
patent: 2534123 (1950-12-01), Hasselhorn
patent: 3539026 (1970-11-01), Sutliff
patent: 3884457 (1975-05-01), Leko
patent: 4043546 (1977-08-01), Ashfield et al.
patent: 4165863 (1979-08-01), Schreyer
patent: 4844157 (1989-07-01), Taylor
patent: 5072917 (1991-12-01), Pleva

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