Metal working – Means to assemble or disassemble – Means to disassemble electrical device
Patent
1979-12-21
1981-08-25
Hall, Carl E.
Metal working
Means to assemble or disassemble
Means to disassemble electrical device
29258, 29758, H05K 330
Patent
active
042851238
ABSTRACT:
A pin-removal tool (36) for removing a damaged or defective pin (23a) from a printed wiring board (21) includes a handle (37) and a shaft (38) extending from one end of the handle. The tool (21) further includes a sleeve (58) which is threadedly attached to the shaft (23) to facilitate rotational and axial movements therebetween. A pin-removal member (39) is fixedly attached to the shaft (38). The pin-removal member (39) includes a bore (42), a transverse slot (44) at one end of the member and a pair of shoulder-retaining portions (55) which aid in the removal of the pin (23). Laterally extending shoulders (29) of the pin (23a) are positioned within the slot (44) and the tool (36) is rotated ninety degrees to position the portions (55) adjacent to the shoulders. The sleeve (58) is then rotated while being held axially against the board 10. Upon rotation of the sleeve (58 ), the shaft (38) moves axially within the sleeve whereby the portions (55) pull the pin (23a) axially from the board (21).
REFERENCES:
patent: 2976608 (1961-03-01), Busler
patent: 3087235 (1963-04-01), Porter
patent: 3136040 (1964-06-01), Bauer et al.
patent: 3210836 (1965-10-01), Johanson et al.
patent: 3588983 (1971-06-01), Hoy
patent: 4028790 (1977-06-01), Dupuis
patent: 4070755 (1978-01-01), Carter
patent: 4168569 (1979-09-01), Fairbairn
patent: 4206543 (1980-06-01), Chisholm
Hall Carl E.
Hoofnagle J. B.
Western Electric Co. Inc.
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