Elongated-member-driving apparatus – With means to move or guide member into driving position – Including supply magazine for constantly urged members
Patent
1993-12-30
1995-08-15
Smith, Scott A.
Elongated-member-driving apparatus
With means to move or guide member into driving position
Including supply magazine for constantly urged members
227156, B25C 516
Patent
active
054411912
ABSTRACT:
A paper stapler is provided with a pin that protrudes from the front end of the magazine when the stapler is low on staples. The pin is distinctively colored (e.g., red), to visually alert the user to the fact that the magazine will soon need to be loaded with a fresh supply of staples. Alternatively, when the stapler is low on staples, the top surface of the top housing of the stapler is deformed, when a button-like element that is otherwise flush with the top surface begins to extend above the top surface. This provides the user with a tactile cue that the stapler is low on staples. Both tactile and visual cues can be provided to the user indicative of the fact that there is a relatively low number of staples remaining in the magazine.
REFERENCES:
patent: 3630428 (1971-12-01), Olney
patent: 4591086 (1986-05-01), Campbell et al.
patent: 4715522 (1987-12-01), Jordan
patent: 4717060 (1988-01-01), Cotta
patent: 4726505 (1988-02-01), Okazaki
patent: 4795073 (1989-01-01), Yamamoto et al.
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