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Method for making tool with dual-material handle
| Details |
Inventors: Hoepfl, Joseph R.; Thompson, Christopher D.;
Assignee: Snap-on Technologies, Inc. (Lincolnshire, IL)
Primary Examiner: Ortiz; Angela
Assistant Examiner:
Attorney, Agent or Firm: Shaw; Seyfarth
A driving tool, such as a screwdriver, has a handle with an injection-molded, relatively hard and rigid inner body, molded around a tool shank, the inner body having an elongated central portion with two end flanges extending laterally outwardly of the central portion around the entire periphery thereof, with the central portion having a peripheral groove formed therein adjacent to an end flange. An outer gripping body of a relatively soft and resilient material is injection molded around the inner body, surrounding said central portion of said inner body and filling said groove. |
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DETAILED DESCRIPTION It is a general object of the present invention to provide an improved hand tool with a handle construction which avoids the disadvantages of prior tools while affording additional structural and operating advantages. An important feature of the invention is the provision of a hand tool of the type set forth, with a dual-material handle of simple and economical construction. In connection with the foregoing feature, a further feature of the invention is the provision of a handle of the type set forth, which affords improved user grip and comfort while providing superior bonding of the handle materials. A further feature of the invention is the provision of a method of forming a handle of the type set forth. Certain ones of these and other features of the invention are attained by providing a hand tool comprising: a relatively hard and rigid inner body having an elongated central portion and two end flanges extending laterally outwardly of the central portion around the entire periphery thereof, the central portion having peripheral grooves formed therein respectively adjacent to the end flanges, and an outer gripping body formed of a relatively soft and flexible material surrounding the central portion of the inner body and filling the grooves. The invention consists of certain novel features and a combination of parts hereinafter fully described, illustrated in the accompanying drawings, and particularly pointed out in the appended claims, it being understood that various changes in the details may be made without departing from the spirit, or sacrificing any of the advantages of the present invention.
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