Screwdriver-and-nut wrench-combined tuning tool for radio...

Details Screwdriver-and-nut wrench-combined tuning tool for radio... Screwdriver-and-nut wrench-combined tuning tool for radio...

2007-05-15

2007-05-15

Ackun, Jr., Jacob K. (Department: 3723)

Tools

Bolt holders

C081S055000, C081S125000, C081S451000

Reexamination Certificate

active

11452157

ABSTRACT:
Provides is a screwdriver-and-nut wrench-combined tuning tool for radio frequency filter which is capable of preventing a movement of a tuning screw occurred when locking it with a tuning nut by making their combined body, preventing a difficulty of tuning resulted due to a separate use of a screwdriver and a nut wrench when a space for access to a tuning unit is not sufficient, and minimizing an interruption of turns of the tuning screw and the tuning nut by locking or turning the screwdriver and the nut wrench independently. The screwdriver-and-nut wrench-combined tuning tool for radio frequency filter comprises a case, a nut wrench positioned to rotate inside the case for turning or holding a tuning nut, a screwdriver positioned to rotate inside the nut wrench for turning or holding a tuning screw, a nut wrench locking unit that is fitted to the nut wrench or the case for locking the nut wrench; and a screwdriver locking unitthat is fitted to the case for locking the screwdriver.

REFERENCES:
patent: 2007432 (1935-07-01), Mancuso
patent: 2464058 (1949-03-01), Rogers
patent: 2566673 (1951-09-01), Nygaard
patent: 3789705 (1974-02-01), Naslund
patent: 4914989 (1990-04-01), Hendricks et al.

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