Abstract: Disclosed is a sphygmomanometer exhaust valve having a valve that functions as a lever, and in which a solenoid moves the point of force of the valve to urge a valve membrane formed at the point of action against a ventilation port. A support member supports the valve while fixing its fulcrum. When no electric current is supplied to the solenoid, the support member holds the valve in a predetermined position in which the ventilation port is open.

Abstract: Disclosed is a sphygmomanometer exhaust valve having a valve that functions as a lever, and in which a solenoid moves the point of force of the valve to urge a valve membrane formed at the point of action against a ventilation port. A support member supports the valve while fixing its fulcrum. When no electric current is supplied to the solenoid, the support member holds the valve in a predetermined position in which the ventilation port is open.

Abstract: An image forming apparatus includes a main body having an original table on which an original set is placed, a cover mount portion located at one side of the original table, and an openable original cover having a portion to be mounted on the cover mount portion of the main body. The cover holds the original set on the table. Mounted on the cover mount portion of the main body are first to fourth engaging members, which are respectively engageable with first to fourth members to be engaged, all mounted on the cover portion to be mounted, the first and fourth members to be engaged being hooks and the second and third members to be engaged being pins. These pairs are inserted and engaged with each other when the original cover is moved in a direction perpendicular to a direction to open the cover.

Abstract: A feed apparatus for feeding paper to a copy machine is disclosed. Paper on a paper table is vertically moved by a lift mechanism. The lift mechanism is made up of a coupling mechanism, a transmitting mechanism, and a mounting mechanism. This mechanism transmits a drive force from a motor and a motor drive to the paper table, to vertically move the table. The table has an elastic member attached thereto. The elastic member has a predetermined elastic force to move the table upwardly. The table is lifted by cooperation of the lift mechanism and the elastic member. A controller applies a command to the motor to drive a transport mechanism. The driven transport mechanism picks up paper sheet by sheet and feeds it to the copy machine.