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"The abolishment of pain in surgery is a chimera. It is absurd to go on seeking it...knife and pain are two words in surgery that must forever be associated in the consciousness of the patient."
Dr. Alfred Velpeau, French surgeon ; 1839
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| Number | Title | Issue Date |
| 7267023 | Miter gear transmission A miter gear transmission includes a driving shaft, an idler cluster and a driven shaft. The idler cluster includes two cone-shaped gear sets, each having a proximate end with a gear having a largest number of teeth and a distal end with a gear having a smallest num... | 09/11/2007 |
| 7036392 | Transmission system having a gear with engaging and non-engaging semi-annular sections A transmission system including a first gear comprising a first side having an engaging semi-annular section and a non-engaging semi-annular section; and a plurality of engaging gears for engaging with the engaging semi-annular section, wherein the engaging gears ar... | 05/02/2006 |
| 6786107 | Constant-mesh transmission A constant-mesh transmission having a synchronizing mechanism, the synchronizing mechanism including a fifth gear which acts as a shifter so as to rotate integrally with a counter shift and movably in the axial direction, a recess formed in a first gear, and a synch... | 09/07/2004 |
| 6370977 | Constant-mesh transmission for a vehicle A transmission for a vehicle including first and second rotating shafts which are rotatable by the torque transmitted through a clutch. Each shaft includes several transmission gears. A resisting member can be disposed between a gear and its corresponding... | 04/16/2002 |
| 5989149 | Automatic friction wheel transmission An automatic friction wheel transmission that includes an enclosed case, an input shaft assembly rotatively mounted through the enclosed case, and an output shaft assembly rotatively mounted through the enclosed case and operatively connected to the input... | 11/23/1999 |
| 5862705 | Speed transferring system for a lathe A speed transferring system includes an input shaft having a first input gear and a second input gear, a middle shaft having a slidable engaging member which includes a first middle gear, a second middle gear and a third middle gear. The first, second and... | 01/26/1999 |
| 5199738 | Landing gear for semitrailers A landing gear for semitrailers includes a two speed double reduction gear assembly having fewer, smaller, and simpler parts, resulting in a compact double reduction gear assembly and cost efficient landing gear unit with a unique clutch-shifting mechanis... | 04/06/1993 |
| 4658662 | Transmission and PTO system for tractors and utility cycles A speed change transmission is shown in variation having an extremely wide range of selectively engageable speed drive ratios for use with garden tractors and utility cycles with tractor mode. The transmission also serves as a speed range transmission for... | 04/21/1987 |
| 4577529 | Gear transmission assembly A "GEAR TRANSMISSION ASSEMBLY" or more precisely a speed change gear box with two output shafts being one main and the other secondary for driving machine tools and mechanical equipment in general, with different alternative arrangements of the speed syst... | 03/25/1986 |
| 4481837 | Multiple speed gear transmission A multiple speed gear transmission (10) of the sliding gear type includes an input shaft (12) disposed on a first axis (14), and a layshaft (16) disposed on a second axis (18) and having a forward gear (26), a reverse gear (28) and first and second drive ... | 11/13/1984 |
| 4476736 | Transmission for a laundry machine A transmission for a laundry machine has at least two operating modes. The transmission includes input means selectively rotatable for oscillation in one operating mode and for unidirectional rotation in another operating mode. A pair of output means are ... | 10/16/1984 |
| 4228694 | Shift means for a multi-shaft sliding gear A shifting device for a multi-shaft sliding gear arrangement having a plurality of sliding gear blocks displaceable in an axial direction, each one of which is connected, by way of a mechanical transmission device, to a separate electric servo-drive. Each... | 10/21/1980 |
| 4074574 | Postage meter conversion apparatus A postage meter conversion apparatus is disclosed that will convert a mechanical, lever operated postage meter into an electrically controlled postage meter. The conversion apparatus is easily assembled and disassembled from a standard lever operated post... | 02/21/1978 |
| 4033197 | Transmission for tractor Transmission for tractors comprising an input shaft rotatably supported by a casing having means defining openings therein, a second speed change shaft disposed coaxially with the input shaft and rotatably supported at its opposite ends by further means d... | 07/05/1977 |
| 4019405 | Variable speed positive gear transmission A flat disc is provided with pie-shaped segments of gear teeth running from the periphery towards the center of the disc in parallel relationship separated by blank segments on the face of the disc. First and second pinion gears are positioned over the fa... | 04/26/1977 |
