Abstract: A safety device which can be retrofitted onto existing rim holding tire changers or provided as a feature of such devices by the original equipment manufacturer. Applicant's safety feature is a barrier, in the preferred embodiment a U-shaped steel tube approximately 18" across and 5' in height, mounted to the tower of the device. The actuator for applying pressure during the bead seating process (and during the inflation process) consists of two buttons on the opposite side of the barrier from the table top on which the tire and rim sit during the process. To actuate the pressure during the bead seating step of the process, both buttons must be depressed. This requires that the operator uses both hands to actuate the system. Also, the actuator being located on the opposite side of the barrier from the table top requires the operator the walk behind the barrier in order to actuate this step of the process.

Abstract: A reversible transmission for a motor vehicle, more particularly for use in a boat, operates in a forward drive mode, reverse drive mode, and neutral mode. The reversible transmission has a housing with a rotatably mounted driving or input shaft and a rotatably mounted driven or output shaft. A planetary gear device is used to transmit power from the driving shaft to the driven shaft. When the transmission is in the forward drive mode, a planetary ring gear of the planetary gear device is interconnected with the driving shaft by engagement of a first clutch to cause the planetary gear carrier of the planetary gear device to rotate with the driving shaft in the same angular direction thereby rotating the driven shaft in the same angular direction.

Abstract: An improved power takeoff unit for a motor vehicle including a transition member, a drive shaft means and a spur gear means, each provided with clutch teeth occupying a common cylindrical space and being disposed contiguously, and shiftable annular gear means engaging selected ones of said transition member, drive shaft means and spur gear means.

Abstract: A safety switch for a vacuum cleaner which includes a vacuum cleaner housing, at least two attachments adapted to be affixed to the housing, and a switch casing fixed to the housing. First and second slides are mounted for reciprocation in the casing relative to the casing and relative to each other. A pair of socket openings are provided in the casing. Each of the slides are provided with a cam surface which is located in each socket opening. Each cam surface slopes inwardly toward a central axis of each socket. Each attachment has a probe adapted to enter one or the other of the sockets when the attachment is mounted on the cleaner. Each of the probes being adapted to move the first and second slides in opposite directions a predetermined total relative distance. The first slide is adapted to operate a first plurality of switch arms while the second slide is adapted to operate a second plurality of switch arms.