Metal working – Means to assemble or disassemble – Means to disassemble electrical device
Patent
1976-06-14
1977-09-27
Simpson, Othell M.
Metal working
Means to assemble or disassemble
Means to disassemble electrical device
29278, 274 1E, B25B 2714
Patent
active
040501485
ABSTRACT:
A tool for removing a snap-in bushing type toggle switch from a hole in a mounting panel. The tool is made of metal or plastic and is provided with a spring-biased self-opening chuck and compressor tube adapted to squeeze the snap-in collar or skirt of the snap-in bushing so that it can be pushed back through the hole in the panel for removal. An outer, compressor tube having a mushroom handle at one end is adapted to slide forwardly over the chuck to compress or squeeze it and the snap-in collar therewithin. A spring-biased ejector pin within the chuck is depressed by the toggle lever and serves to snap the switch out upon release of the snap-in collar. The tool is used by placing the chuck over the snap-in bushing against the panel and pressing on the mushroom handle to slide the compressor tube over the chuck against the panel whereupon the ejector pin kicks the switch out behind the panel.
A simpler version includes only a chuck and a manually slidable compressor ring, both molded of plastic material. The chuck is placed over the snap-in bushing and the compressor ring is slid up against the panel whereupon the switch can be grasped and removed from the other side of the panel.
REFERENCES:
patent: 1458359 (1923-06-01), Riley
patent: 2415482 (1947-02-01), Greenough
patent: 3210836 (1965-10-01), Johanson et al.
patent: 3903577 (1975-09-01), Phillips
Autio William A.
Bilinsky Z. R.
Cutler-Hammer, Inc.
Rather Hugh R.
Simpson Othell M.
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