1
Sommer Gordon M: Clutch-brake unit. G M Sommer Co, October 10, 1972: US3696898 (41 worldwide citation)

A clutch-brake unit comprising a housing, axially aligned input and output shafts mounted in the housing, a non-rotatable, pneumatically actuated piston in the housing, a series of radially disposed clutch plates mounted for rotation with the input shaft, a series of radially disposed brake plates s ...


2
Sommer Gordon M: Motor brake unit. G M Sommer Co, August 1, 1972: US3680666 (37 worldwide citation)

A motor brake unit comprising a relatively non-rotatable housing, a collar member adapted to rotate with the motor drive shaft, a plurality of rotatable discs connected to the collar member, a plurality of non-rotatable discs disposed adjacent the rotatable discs, and mounted on the housing, means f ...


3
Sommer Gordon M: Clutch-brake with liquid and air cooling. G M Sommer Co, January 30, 1973: US3713517 (34 worldwide citation)

A clutch-brake unit comprising a relatively fixedly mounted support structure, a drive shaft rotatable relative to the support structure, a housing rotatable relative to the support structure and at least partially surrounding the shaft, a brake within the housing and adapted for non-rotatably conne ...


4
Sommer Gordon M: Variable speed drive with electronic control means. G M Sommer Co, Harness Dickey & Pierce, September 10, 1974: US3834502 (9 worldwide citation)

A variable speed drive comprising a clutch-brake unit having aligned input and output shafts rotatably supported in a housing and including clutch and brake disc stacks located in a liquid reservoir defined by the housing, and selectively engageable through actuation of a hydraulically operable pist ...


5
Sommer Gordon M: Clutch unit. G M Sommer Co, March 27, 1973: US3722645 (6 worldwide citation)

A clutch unit for selectively drivingly connecting a pair of generally coaxially aligned, axially spaced shafts, the unit comprising an enclosure having spaced side portions through which the shafts project, a pair of generally cylindrically shaped hub elements fixedly secured one to each of the sha ...


6
Sommer Gordon M, Williams Alfred C, Carlson Donald C: Control system for variable speed drive. G M Sommer Co, Harness Dickey & Pierce, December 3, 1974: US3851742 (5 worldwide citation)

A control system for a variable speed drive unit having an actuating piston for modulating the clamping pressure between a first series of discs mounted for rotation with an input shaft and a second series of plates carried by an output shaft and interleaved with the first series, the system compris ...


7
Sommer Gordon M: Variable speed drive. G M Sommer Co, Harness Dickey & Pierce, April 2, 1974: US3800930 (2 worldwide citation)

A variable speed drive, adapted to be mounted between and supported by a motor shaft and a driven shaft, comprising: a rotatable housing defining a fluid reservoir, and drivingly connected to the motor shaft; an output shaft having an end section located in the fluid reservoir, and an opposite end d ...


8
Sommer Gordon M: Press drive with oil shear clutch/brake units. Midwest Brake Bond Co, April 17, 2002: EP1197320-A2

A drive unit (10) for a press uses an oil shear brake (110,116,118,120) and an oil shear clutch (130,134,136,138) which are located axially along the output member of the drive unit. A single piston (150) moves between a brake applied/clutch disengaged position to a brake released/clutch engaged pos ...


9
Sommer Gordon M: Launch and retract modules for aerial target launcher. Midwest Brake Bond Co, August 16, 2006: EP1690786-A2

A launch and retract module (100) for an aerial target (101) wherein the aerial target (101) to be launched is placed on a cart (102) that is at one end of an inclined track (104). The cart (102) is connected by cable (103) on one side to the launch module (105) and to the other side to the retract ...


10
Sommer Gordon M: Press drive with oil shear clutch/brake drives. Midwest Brake Bond Co, February 12, 1997: EP0757761-A1

A drive unit for driving a press is disclosed. The drive unit uses a hydraulically actuated oil shear brake unit (12) located on one side of a flywheel and a hydraulically actuated oil shear clutch unit (14) located on the opposite side of the flywheel. The actuation of the clutch (14) and the brake ...