G - Physics – 06 – C
Patent
G - Physics
06
C
235/132
G06C 7/10 (2006.01) G06M 1/02 (2006.01) G06M 1/06 (2006.01)
Patent
CA 1125249
Edward D. Sigl IMPROVED INTERNAL PINION REVOLUTION COUNTER ABSTRACT OF THE DISCLOSURE An internal pinion revolution counter includes a rotatable input shaft having first and second axial sec- tions, and a bearing sleeve member rotatably supporting the first shaft section. A gear member is rotatably mounted on the sleeve member and has first and second axial sections, the first section having a first full tooth spur gear formed thereon. A first number wheel is secured to the second shaft section for rotation therewith, and an internal pinion trans- fer mechanism couples the first number wheel to the first spur gear. A second number wheel has a web portion joined to a hub portion mounted on the first spur gear for rotation therewith, and the second section of the gear member has a spur gear segment formed thereon as an extension of the first spur gear. A locking ring has a hub portion mounted on the second section of the gear member, and having an axial slot formed therein with the gear segment extending therethrough, the hub portion of the locking ring having an annular outer locking cam surface. The locking ring has an annular flange portion extending radially outwardly from the hub portion, the flange portion being secured to the web portion of the second number wheel. The gear segment has a portion ex- tending axially beyond the hub portion of the locking ring. A pinion carrier disc is mounted on the sleeve member and has a transfer pinion rotatably mounted thereon, the trans- fer pinion having first and second axial sections. The first pinion section has a full tooth portion cooperating with the extension portion of the gear segment, and a mutilated por- tion cooperating with the locking cam surface. A third number wheel is rotatably mounted on the sleeve member and is driven by a second full tooth spur gear which cooperates with the second pinion section.
332034
Bowmar Instrument Corporation
Smart & Biggar
LandOfFree
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