Method and apparatus for assembling an automatic and disposable

Details Method and apparatus for assembling an automatic and disposable Method and apparatus for assembling an automatic and disposable

1984-12-18

1987-01-13

Goldberg, Howard N.

Metal working

Method of mechanical manufacture

Assembling or joining

29282, 29511, 29525, 29700, 29791, 29808, 29822, 198396, 198850, 1984781, 401 76, 401 86, 414745, 414786, B23P 1100, B23P 1900

Patent

active

046353380

ABSTRACT:
A machine is shown which assembles a barrel, spring, piece of lead, lead plunger, barrel tip and eraser into an automatic pencil. The steps of assembly include: Pressing the lead plunger onto the lead. Placing the plunger and lead into the spring and tapping the plunger to turn its extending tabs into the coils of the spring. Placing the plunger, lead and spring into the barrel. Extending the spring from the barrel and pressing the barrel tip onto the spring and then pressing the tip into the barrel. Pressing the eraser into the barrel.

REFERENCES:
patent: 1539468 (1925-05-01), Cook et al.
patent: 1627602 (1927-05-01), Goldsmith
patent: 2046582 (1936-07-01), Richer
patent: 2087519 (1937-07-01), Lynn
patent: 2356509 (1944-08-01), Deli
patent: 2532791 (1950-12-01), Smith
patent: 3097628 (1963-07-01), Stoeberl
patent: 4259780 (1981-04-01), Crawford

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