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Siegfried Barth
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17,605. Barth, S. April 16, [date applied for under Section 91 of Patents &c. Act, 1907]. Gas and like engines, valve - gear for. The free end of a rocking lever c engages with a cam-surface b on the head of the valve-stem a. The lever c is actuated by a rod passing through a slot in the valve - stem. The arrangement is suitable where space is limited, as in marine engines. The Specification in the original form, as open to inspection under Section 91 (3) (a), comprises also an arrangement in which the cam-surface is formed on the free end of the lever c and a frictionroller, or a plane surface, is provided on the end of the valve-stem, and states that the cam-surface may be dispensed with " by mounting the lever c eccentrically at f." This subject-matter does not appear in the Complete Specification as accepted. [Reference has been directed under Section 7 of Patents &c. Act, 1907, to Specification No. 3176, A.D. 1908.]
GB190817605D1908-04-161908-08-21Improvements in Valve Gear for Internal Combustion Engines.
ExpiredGB190817605A
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