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US 7,555,821 B2Granted
Method for configuring a handle used on a machine tool
AssigneeNorthwestern Tools, Inc.
InventorsJames R. Thomeczek, Thomas A. Thomeczek, Scott R. Williamson
Life of this patent
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Abstract
A plunger with interchangeable handle system for machine tools. The plunger includes a shank adapted to engage a machine tool and having a retractable plunger and a threaded adapter, the interchangeable handle system includes a plurality of knobs, each having a discrete shape differing from the others and a socket to receive the threaded adapter of the shank.
Claims3
A method for configuring a handle used on a machine tool comprising the steps of:
- providing a shank shaped to engage a machine tool, said shank including an elongated pin and a threaded adapter, said elongated pin including an engaging tip;
- providing a threaded barrel portion defining a plunger recess and including a threaded portion and a biasing spring;
- positioning said threaded barrel portion over said shank such that said threaded barrel portion is movably received over said elongated pin such that said elongated pin extends through said plunger recess, wherein said biasing spring urges said engaging tip relative to said threaded barrel portion in a direction away from said threaded adapter;
- providing a plurality of knobs, each of said plurality of knobs having a discrete shape differing from the others of said plurality of knobs, and each of said plurality of knobs including a socket;
- and
- attaching a selected one of said plurality of knobs to said shank by engaging said socket with said threaded adapter.
3 more elements
Dependencies are inferred from the claim text.