摘要:
The present disclosure relates to a resettable drive mechanism for use in a drug delivery device (10). The drug delivery device (10) is having a distal direction (14) and a proximal direction (12). The drive mechanism comprises a drive rack (20) engaged with a drive gear (22), a piston rack (30) engaged with a piston gear (32) and coupling means (50) for coupling the drive gear (22) with the piston gear (32). In a first state of the drive mechanism, the drive gear (22) and the piston gear (32) are coupled and the piston rack (30) moves in distal direction (14) when the drive rack (20) is moved in distal direction (14). In a second state of the drive mechanism, the drive gear (22) and the piston gear (32) are decoupled and the piston rack (30) is moveable in proximal direction (12) for resetting the drive mechanism.
摘要:
A pivotally-leveraged manual centrifugal drive according to a preferred embodiment of the invention for use with a bowl and a basket formed to nest within the bowl, comprising: a) a housing formed to mate with the bowl; b) a rotation wheel rotatably connected to the housing, formed to mate with the basket, and having a plane of rotation; c) a handle pivotally attached to the housing and oriented to move in a plane that is substantially perpendicular to the plane of rotation of the rotation wheel; and d) gears connecting the handle to the rotation wheel. Also disclosed are an automatic clutch that engages the rotation wheel only when the handle is moved in one direction, and a braking mechanism that includes a disk having a diameter substantially smaller than the rotation wheel.
摘要:
Vehicle (1) and (2) with both hand drives (100-1 to 4) and foot drives (200-1 to 4), which must be moved forward and backward by hand drive members (4A, 4A) or foot drive members (5B, 5B), either independently or jointly, to drive the vehicle, in which during both the forward movement and backward movement an operation stroke is made, which powers at least one wheel (13) of the vehicle. The fifth coupling assembly allows the rider to use different ways to drive the vehicle. In motors 2.W, the drive shaft is driven either by the reciprocating movement of the pistons, in which the movement is effectuated by the ignition of fuels and the operation of the second coupling assembly, or by the reciprocating movement of the driving rod 201B and the rotation of the gear that is a freewheel mechanism.
摘要:
The invention relates to a method for activating and deactivating the four-wheel drive of service and working vehicles without interaxle differential locks. According to said method, said activation and deactivation of the four-wheel drive is derived from the driving and load conditions of the vehicle (1), the vehicle speed and/or the gearbox output torque being used as parameters.
摘要:
The invention relates to mechanical engineering, in particular to devices for converting oscillatory motion into unidirectional rotational motion and can be used, for example, in lifting devices, electric power producing devices, machine tools, pumps and transportation means, particularly internal combustion engines. The device comprises a body and input and output axes. The essence of the invention is that the device is provided with an intermediate axis arranged in the body perpendicularly to the input axis, at least two rotation transmitting coupling elements in the form of a freewheel clutch or ratchet clutch rigidly mounted on the output axis so as to be capable of mutually inverse rotational action and at least three interconnected rotation transmitting elements rigidly mounted between the coupling elements so as to be capable likewise of mutually inverse rotational action for transmitting the rotation of the output axis in one direction. Said invention makes it possible to increase the operational efficiency of the device by converting the rotation of the input axis, which has an unlimited angle of rotation in either direction, into the unidirectional rotation of the output axis at the same rotational velocity and to extend the functionalities of the device.
摘要:
The invention relates to a method for activating and deactivating the four-wheel drive of service and working vehicles without interaxle differential locks. According to said method, said activation and deactivation of the four-wheel drive is derived from the driving and load conditions of the vehicle (1), the vehicle speed and/or the gearbox output torque being used as parameters.