Plunger with interchangeable handle system

Details Plunger with interchangeable handle system Plunger with interchangeable handle system

2007-08-14

2007-08-14

Luong, Vinh T. (Department: 3682)

Machine element or mechanism

Control lever and linkage systems

Elements

C074S536000, C074S553000

Reexamination Certificate

active

10745451

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.

REFERENCES:
patent: 2569069 (1951-06-01), Motel
patent: 2687724 (1954-08-01), Ziherl et al.
patent: 3402905 (1968-09-01), MacMillan
patent: 4309123 (1982-01-01), Moore
patent: 5349886 (1994-09-01), Jin
patent: 5395312 (1995-03-01), Desai
patent: 6796211 (2004-09-01), Braunberger
patent: 2003/0213343 (2003-11-01), Schuster
patent: 2005/0243553 (2005-11-01), Picone
Northwestern Product Guide for Tooling and Manufacturing, Catalog # 61, www.northwesterntools.com, pp. 1-3 and 49, 2005.
Hand Retractable Plungers—Threaded Adapter-Locking, www.northwesterntools.com/plngr—hr—adp.html, pp. 1-3, 2007.
Hand Retractable Plungers-Innovative Design Solution, www.idsmachine.com/hrplung.html, pp. 1-3, 2000-2003.
Northwestern Product Guide for Tooling and Manufacturing, Catalog #60, by Northwestern Tools, Inc., date unknown.

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