1
Elmer A Richards: Automatic mechanical transmission system. Eaton Corporation, C H Grace, H D Gordon, July 9, 1985: US04527447 (68 worldwide citation)

An automatic mechanical change gear transmission system (10) is provided. The transmisssion (12) is a splitter type comprising a main section (48) connected in series with a blocked splitter type auxiliary section (50). The auxiliary section blockers (172) and clutch members (164) are provided with ...


2
Elmer A Richards, Russell C Holmes: Semi-blocked transmission. Eaton Corporation, D A Rowe, H D Gordon, April 5, 1988: US04735109 (31 worldwide citation)

A compound change gear semi-blocked transmission (10) of the splitter type is provided. The transmission comprises a multi-speed main section (12) connected in series with an multi-speed auxiliary section (14). The main section utilizes manually engaged, non-blocked, nonsynchronized jaw clutch assem ...


3
Eugene R Braun, Elmer A Richards: Start control. Eaton Corporation, Teagno & Toddy, September 6, 1977: US04046032 (26 worldwide citation)

Transmission and engine control means for a vehicle wherein the engine is connected through at least one friction clutch to a transmission having a positively geared power train therethrough. A low speed governor is provided to sense an engine speed at or shortly below idling speed and functions to ...


4
Elmer A Richards: Sensor unblocking ramps. Eaton Corporation, Teagno & Toddy, October 5, 1976: US03983979 (26 worldwide citation)

Shiftable gearing including spring loaded means and blocker means for effecting engagement of clutch teeth. In a transmission having a main shaft and at least one countershaft, and including pairs of shiftable gears arranged on and cooperatively between said shafts, there are provided spring loaded ...


5
Edward J Bogema, Elmer A Richards: Transmission with resilient shifting mechanism. Eaton Corporation, R J McCloskey, H D Gordon, September 22, 1981: US04290515 (22 worldwide citation)

An improved shiftable change speed transmission is provided. The improved transmission is preferably provided with at least one countershaft having countershaft gears thereon disposed in meshing engagement with main shaft gears encircling the transmission main shaft. Gears are selectively axially mo ...


6
Elmer A Richards, John R Vandervoort, Edward J Bogema: Blocked change gear transmission utilizing resilient shifting mechanisms and improved jaw clutch assembly therefor. Eaton Corporation, C H Grace, H D Gordon, March 1, 1983: US04375172 (19 worldwide citation)

An improved, blocked, change gear transmission utilizing at least one improved resilient jaw clutch assembly to selectively engage a selected gear to a shaft is provided. The improved jaw clutch assembly comprises two axially engageable jaw clutch members and a blocker mechanism to prevent engagemen ...


7
Elmer A Richards: Blocked transmission. Eaton Corporation, R J McCloskey, H D Gordon, March 25, 1980: US04194410 (17 worldwide citation)

An improved, blocked, change gear transmission having an input shaft driven by a prime mover through a normally engaged, selectively disengageable, master friction clutch is provided with means for decelerating and positively reverse rotating the transmission input shaft. The means for decelerating ...


8
Elmer A Richards, Alan R Davis: Multiple countershaft simple transmission. Eaton Corporation, C H Grace, H D Gordon, June 21, 1983: US04388838 (16 worldwide citation)

A multiple substantially identical countershaft (16, 16A), simple change gear transmission (10) having two-piece (20, 20A, 22, 22A) countershafts is provided. The use of two-piece countershafts allows the countershafts to be supported by three bearings (72, 74 and 76) while not requiring greater tha ...


9
Thomas V McNamara, Elmer A Richards: Gear retainer. Eaton Corporation, Teagno & Toddy, July 12, 1977: US04034620 (15 worldwide citation)

Improved mainshaft gear retainer means for a twin countershaft transmission having floating mainshaft gears positioned close together in groups of two and clutchable to a mainshaft one at a time by positive clutches which each have splines mateable with splines defined by each gear. The improved mai ...


10
Elmer A Richards: Shiftable change speed transmission utilizing improved blocker and jaw clutch assembly. Eaton Corporation, Howard D Gordon, January 2, 1979: US04132122 (14 worldwide citation)

Improved change speed gearing utilizing an improved blocker means for effecting engagement of the jaw clutch associated with the low speed gearing of a simple transmission, or with the low speed gearing of the main transmission section of a splitter type compound transmission. A transmission having ...