| 主权项 |
1. A push/pull operating device for driving a latch device, with the push/pull operating device comprising:
a first bracket including first and second surfaces, with a pivot hole extending from the first surface through the second surface of the first bracket, with a plurality of mounting holes provided around the pivot hole of the first bracket and having non-circular cross sections, with the first bracket further including two lateral sides extending between the first and second surfaces of the first bracket, with a wing formed on each of the two lateral sides of the first bracket, with each wing of the first bracket including an engagement hole, with the first bracket adapted to be mounted to a first side of a door, with the pivot hole of the first bracket adapted to align with a first through-hole in the first side of the door, with two of the plurality of mounting holes of the first bracket adapted to align with two second through-holes in the first side of the door; a first transmission member including a pivotal portion pivotably received in the pivot hole of the first bracket, with the first transmission member further including a flange on an end of the pivotal portion of the first transmission member, with a protrusion formed on the flange of the first transmission member, with a driving hole extending from an end face of the flange through an end face of another end of the pivotal portion of the first transmission member, with the flange of the first transmission member located outside of the first surface of the first bracket, with the pivotal portion of the first transmission member adapted to be received in the first through-hole in the first side of the door; a first spindle having first and second ends, with the first end of the first spindle engaged in the driving hole of the first transmission member, with the first spindle and the first transmission member jointly pivotable, with the second end of the first spindle adapted to be coupled to a follower of a latch device mounted in the door, with the latch device including a latch movable between a latching position outside the door and an unlatching position inside the door; a first axle pivotably received in the engagement holes of the wings of the first bracket; a first handle pivotably mounted to the first axle, with the first handle including a base having inner and outer faces, with an arm formed on the outer face of the first handle, with the first handle pivotable about a pivot axis defined by the first axle between a release position and a pressing position; a first actuating block mounted to the inner face of the first handle, with the first actuating block including a pressing portion abutting the protrusion of the first transmission member, with the first actuating block pressing against and pivoting the first transmission member when the first handle pivots from the release position to the pressing position; a second bracket including first and second surfaces, with a pivot hole extending from the first surface through the second surface of the second bracket, with a plurality of mounting holes provided around the pivot hole of the second bracket and having non-circular cross sections, with the second bracket further including two lateral sides extending between the first and second surfaces of the second bracket, with a wing formed on each of the two lateral sides of the second bracket, with each wing of the second bracket including an engagement hole, with the second bracket adapted to be mounted to a second side of the door, with the pivot hole of the second bracket adapted to align with a third through-hole in the second side of the door, with two of the plurality of mounting holes of the second bracket adapted to align with two fourth through-holes in the second side of the door; a second transmission member including a pivotal portion pivotably received in the pivot hole of the second bracket, with the second transmission member further including a flange on an end of the pivotal portion of the second transmission member, with a protrusion formed on the flange of the second transmission member, with a driving hole extending from an end face of the flange through an end face of another end of the pivotal portion of the second transmission member, with the flange of the second transmission member located outside of the first surface of the second bracket, with the pivotal portion of the second transmission member adapted to be received in the third through-hole in the second side of the door; a second spindle having first and second ends, with the first end of the second spindle engaged in the driving hole of the second transmission member, with the second spindle and the second transmission member jointly pivotable, with the second end of the second spindle adapted to be coupled to the follower of the latch device; a second axle pivotably received in the engagement holes of the wings of the second bracket; a second handle pivotably mounted to the second axle, with the second handle including a base having inner and outer faces, with an arm formed on the outer face of the second handle, with the second handle pivotable about a pivot axis defined by the second axle between a release position and a pressing position; a second actuating block mounted to the inner face of the second handle, with the second actuating block including a pressing portion abutting the protrusion of the second transmission member, with the second actuating block pressing against and pivoting the second transmission member when the second handle pivots from the release position to the pressing position; two engaging rods, with each of the two engaging rods including a body, a head, and a limiting portion between the body and the head with an abutment face formed at an intersection of the body and the head, with the limiting portion of each of the two engaging rods including, non-circular cross sections and not rotatably received in one of the plurality of mounting holes of the first bracket, with the abutment face of each of the two engaging rods abutting the first surface of the first bracket, with the bodies of the two engaging rods adapted to extend through the two second through-holes in the first side of the door and extend through two through-holes of the latch device; two bolts engaged with the two engaging rods, with each of the two bolts including a head abutting the first surface of the second bracket, with the two bolts adapted to extend through the two fourth through-holes in the second side of the door and the two through-holes of the latch device, with the latch moving between the latching position and the unlatching position when either of the first and second spindles pivots, and with each of the two bolts in a tightened state, the head of each of the two engaging rods presses against the first bracket, and the head of each of the two bolts presses against the second bracket, securely fixing the first and second brackets to the door; with each of the wings of the first bracket further including a first limiting hole located below engagement hole of the first bracket in a vertical direction and a second limiting hole located above the engagement hole of the first bracket in the vertical direction, with each of the wings of the second bracket further including a first limiting hole located below the engagement hole of the second bracket in the vertical direction and a second limiting hole located above the engagement hole of the second bracket in the vertical direction, with the push/pull operating device further comprising:
a first limiting rod mounted in the first limiting holes of the first bracket or the second limiting holes of the first bracket, anda second limiting rod mounted in the first limiting holes of the second bracket or the second limiting holes of the second bracket. |
