Push-button reversible ratchet and pawl socket wrench handle

Tools – Wrench – screwdriver – or driver therefor – Handle clutched to head

Patent

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Details

192 431, B25B 1346

Patent

active

043367283

ABSTRACT:
A push-button operated reversible socket wrench ratchet and pawl mechanism which includes in addition to the conventional ratchet wheel and pivotably mounted pawl, an actuator and two cams; the actuator is driven by the cams to engage the pawl and ratchet and determine the direction of rotation of the wheel.

REFERENCES:
patent: 484288 (1892-10-01), Brolin
patent: 633880 (1899-09-01), Miller
patent: 679929 (1901-08-01), Webster
patent: 685698 (1901-10-01), Sprague
patent: 791298 (1905-05-01), Smith
patent: 968080 (1910-08-01), Repass
patent: 1078059 (1913-11-01), Mossberg
patent: 1509632 (1924-09-01), Bracci
patent: 2233091 (1941-02-01), Becker
patent: 2531722 (1950-11-01), Brubeck
patent: 3598001 (1971-08-01), Thomasian

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