초록 ▼

A force operated latching device for use with a switch, valve or motor includes a sleeve-piston combination responsive to the force and which is latched and delatched in response to the force, usually in the form of fluid pressure. The latching device may be incorporated into a manifold for control

A force operated latching device for use with a switch, valve or motor includes a sleeve-piston combination responsive to the force and which is latched and delatched in response to the force, usually in the form of fluid pressure. The latching device may be incorporated into a manifold for control of internal combustion engine.

대표청구항 ▼

A force operated latching device for controlling operation of a device having a movable element controlling operation thereof to effect actuation and deactivation thereof at different force levels comprising: a supporting body having a recess provided therein, a sleeve including a stem positioned in

A force operated latching device for controlling operation of a device having a movable element controlling operation thereof to effect actuation and deactivation thereof at different force levels comprising: a supporting body having a recess provided therein, a sleeve including a stem positioned in said recess for movement therein, a piston including an end face positioned within said sleeve and movable therein in response to a change in force from one position to another, means in said body transmitting force against the end face of said piston, spring biasing means positioned within said sleeve and urging said piston in one direction in response to force at a first predetermined level, said body including an annular recess located radially of said piston and spaced axially from said spring biasing means, said piston including a recess therein, said sleeve including means cooperating with the annular recess in said body and the recess in said piston to lock the sleeve to the body in one position of the piston and to lock the sleeve to the piston in another position of said piston, and spring means cooperating with said sleeve to urge said sleeve and said piston in another direction in response to force at a second predetermined level whereby said piston is unlocked from said sleeve and said sleeve is locked to said body.