Metal working – Means to assemble or disassemble – To apply or remove a resilient article
Patent
1994-11-04
1996-03-05
Watson, Robert C.
Metal working
Means to assemble or disassemble
To apply or remove a resilient article
29237, 29267, 254 25, B23P 1902
Patent
active
054956510
ABSTRACT:
A hand held tool for the removal of vacuum hoses includes a removable grasping handle portion. An elongated slender shaft portion has a free end connected to the removable handle portion and a working end. A sharp edged, tapered, U-shaped slot is disposed on the working end of the elongated slender shaft portion. The working end has a taper for working the tool behind a hose which has its end pressed against a flush wall. A double fulcrum is provided to give a large mechanical advantage during early part of the pry to break a rubber hose free and then a smaller mechanical advantage during a later part of the pry to remove the hose more rapidly. Sharp edged, non-chamfered edges increase the surface contact area of the end of a hose and has a removable grasping handle. The sharp edged U-shaped slot for surrounds a significant portion of an exposed end of a hose so as to apply shear-type removal stress as near as possible to a frictionally resistive tube inserted in the hose.
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Kroll Michael I.
Watson Robert C.
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