F - Mech Eng,Light,Heat,Weapons – 02 – N
Patent
F - Mech Eng,Light,Heat,Weapons
02
N
123/233
F02N 19/02 (2010.01) F02N 19/10 (2010.01) H05B 3/04 (2006.01)
Patent
CA 1095355
ABSTRACT A frost plug immersion heater has improved clamping structure which comprises a clamp element having a base engageable against the inner end of the heater body and a pair of channel shaped clamping arms narrower than the base extending in splayed relation from opposite sides of the base, with the free ends of the arms initially close enough together so that the heater can be installed straight into a cylinder block frost plug hole. A T-shape bolt has a cross arm bar shaped head which has opposite ends engaging in the arm channels and spreads the clamp arms when a nut threaded on the outer end portion of the bolt shank is tightened against the outer end of the heater body. The cross arm head has a thickened crown area of maximum mass providing a maximum strength portion aligned with the shank of the bolt and the top of the cross arm tapers with diminished mass toward the opposite ends thereof to provide a truss-like reinforcement for the head when force is applied through the bolt shank as the nut is tightened.
317778
Budd Canada Inc.
Smart & Biggar
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