Elongated-member-driving apparatus – With means to move or guide member into driving position – Including supply magazine for constantly urged members
Patent
1985-10-04
1987-06-30
Bell, Paul A.
Elongated-member-driving apparatus
With means to move or guide member into driving position
Including supply magazine for constantly urged members
227120, 227130, B25C 502, B25C 700
Patent
active
046764232
ABSTRACT:
Drive-in apparatus for fastening means such as staples, nails, etc., especially electro-tacker, comprising a housing having a powered driving plunger supported therein which is connected to a drive-in plunger at the lower end thereof, a tool section arranged at the bottom portion of the housing which contains a drive-in channel with the drive-in plunger guided therein, a magazine for the fastening means in which the fastening means are advanced by means of a spring-biased feeder in the direction of the drive-in channel, and a means cooperating with the respective foremost fastening means which prevents further fastening means being seized by the drive-in plunger upon one or several drive-in blows of the drive-in plunger following a first drive-in blow, with a movable stop (34, 52) supported in the housing (10, 40) which is actuable by an outward projecting movable actuation member (28, 46) and which, in the working position, limits the return stroke of the driving plunger (15, 43) in such a manner that the drive-in plunger (18, 44) prevents the entrance of a further fastening means into the drive-in channel and, in the position of release permits a full return stroke of the driving plunger (15, 43).
REFERENCES:
patent: 3012247 (1961-12-01), Sillars et al.
patent: 4500025 (1985-02-01), Skwor
Bell Paul A.
Demba Metallwarenfabrik GmbH
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