Insert for plastic molded parts

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Description

FIG. 1 is a top plan view of the insert for plastic molded parts showing my new design, the bottom view being a mirror image;

FIG. 2 is a side elevational view thereof;

FIG. 3 is a sectional view taken in the direction of the arrows on line 3--3 of FIG. 1; and

FIG. 4 is a side elevational view of a second embodiment of the design of FIG. 1, the only differences being an increase in height and in the configuration of the knurled areas.

Referenced Cited
U.S. Patent Documents
D221376 August 1971 Tildesley
D262863 February 2, 1982 Barnsdale
3074292 January 1963 Polmon
3270793 September 1966 Polmon
3461936 August 1969 Rosan, Jr. et al.
Foreign Patent Documents
2039660 August 1980 GBX
Other references
  • Southco Fasteners Cat; .COPYRGT.1967; p. 5; No. 75 Drivesert. Thermosonics Press Release; early fall 1985. Thermosonics Designer's Guide; undated. Dav-matic Inc. Cat; undated. Dodge-HeliCoil Designer's Manual; .COPYRGT.1985. In-X Fastener Corp. Threaded Insert Cat; .COPYRGT.1982. Yardley Products Corp. Inserts Cat; undated. Rexnord Ultrasonic Threaded Inserts: Camloc Fasteners; 3/1986.
Patent History
Patent number: D323287
Type: Grant
Filed: May 31, 1988
Date of Patent: Jan 21, 1992
Assignee: Engineered Inserts & Systems Inc. (Watertown, CT)
Inventor: Michael J. Brunetti (West Haven, CT)
Primary Examiner: B. J. Bullock
Attorney: Dallett Hoopes
Application Number: 7/200,298
Classifications
Current U.S. Class: D/8385; D/8397