Stapler apparatus with means to determine staple supply

Details Stapler apparatus with means to determine staple supply Stapler apparatus with means to determine staple supply

1980-11-03

1983-06-07

Bell, Paul A.

Elongated-member-driving apparatus

With control means responsive to sensed condition

227110, 227120, B27F 700, B27F 734

Patent

active

043867251

ABSTRACT:
A monitoring device is described for use with a movable stapler apparatus to detect the presence or absence of staples at a predetermined point during staple movement in the magazine therefor. The monitoring is accomplished during any positions which the apparatus may assume by means of a light emitter and a light detector arranged on opposite sides of the magazine to sense the transmission of light through aligned openings in the magazine as an indication of a low staple supply condition in the magazine.

REFERENCES:
patent: 1586583 (1926-06-01), Skrebba
patent: 3098576 (1963-07-01), Steward
patent: 3141171 (1964-07-01), Doyle et al.
patent: 3380639 (1968-04-01), Francis et al.
patent: 3477628 (1969-11-01), MacEachron
patent: 3685712 (1972-08-01), Turner et al.
patent: 3743158 (1973-07-01), Cohn et al.
patent: 4187969 (1980-02-01), Spehrley, Jr.
patent: 4231210 (1980-11-01), Nagode
Swingline Model 747 Stapler.

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