Back to results
US 3,941,102 AGranted
Bucket tappets
AssigneeBritish Leyland UK Limited
InventorEric Gordon Bareham
Life of this patent
Estimating the term…
Abstract
A poppet valve assembly for an internal combustion engine, in which a tappet foot is in screw thread engagement with the end of a valve stem; a retainer collar non-rotatably engages both the valve stem and the tapper foot; and a valve return spring acting on the retainer collar must be compressed in order to disengage the collar from the foot for adjustment of the valve operating clearance.
Claims5
A poppet valve assembly for an internal combustion engine, having a poppet valve urged against a valve seat by a valve return spring and featuring:
- a. a tappet foot in screw thread engagement with the end of the valve stem and having locking formations;
- and
- b. a retainer collar non-rotatably engaged on a non-round section of the valve stem and having locking formations which inter-engage those of the tappet foot and which afford a plurality of alternative angular settings for the foot;
- the retainer collar being displaceable against the valve return spring in order to disengage it from the foot for adjustment of the valve operating clearance.
1 more element
Dependencies are inferred from the claim text.