Bolt holder on a drilling and bolting turret
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Sep 25, 1984
Grant Date -
N/A
app pub date -
May 6, 1983
filing date -
May 6, 1982
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A feed device on a drilling and bolting turret retains anchoring bolts, before they are driven into a bore in a subterranean structure. A centering member is supported by the front part of the turret and comprises a cylindrical housing into which a circular support plate of a bolt is introduced. The shank of the bolt is introduced laterally through an aperture in the centering member. A clamping jack of the rotary and linear type, actuates a push-rod which, when it is located opposite the centering member, makes it possible to push the plate of the bolt to the bottom of the housing and retain it there.
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Cited Art Landscape
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