Glass container handling apparatus

Claim 2

Glass container handling apparatus comprising a 90* pusher for transferring newly formed glassware from a dead plate onto a conveyor, said 90* pusher including a mounting bracket having a lower flange, a vertical post supported by the flange, a top plate connected to the bracket generally parallel to said flange, said top plate being coupled to the upper end of the post, a housing surrounding said post and rotatably supported by said flange, a motor and a pusher plate supported by said housing for rotation therewith, said pusher plate being above said motor and connected thereto by linkage means, actuator means including a cam shaft having a double face cam track for causing said housing to oscillate through an arc of about 90*, said actuator means including a cam follower in said track and an arm pivoted at one end to said bracket and pivoted at its other end to said housing, said cam follower being supported by said arm intermediate its ends, means associated with said motor for causing said motor to extend said pusher plate so that it will push glassware from a position on a dead plate onto a conveyor as said housing rotates and for retracting the pusher plate after each transfer stroke, said housing including first and second sections, said motor being supported by said first section, said actuator means being connected to said second section, and means releasably coupling said sections together for rotation As a unit and for interrupting the coupling of said sections if a jam occurs.

Claim 3

Apparatus in accordance with claim 1 including a limit stop on said bracket for engaging a portion of said first housing section to properly position the first housing section for the commencement of a new transfer stroke, and means biasing said first housing section downwardly into frictional contact with said second housing section.

Claim 4

Apparatus in accordance with claim 1 including a spring-biased member on said first section, means defining a recess on said second section for receiving said spring-biased member to effect the coupling between said sections in a manner so that said member may be cammed upwardly in the event of a jam to permit the second section to rotate independently of the first section.

Claim 5

Apparatus in accordance with claim 1 wherein said linkage means interconnecting said motor and said pusher plate includes a bracket, a plurality of said pusher plates each defining a pocket for engaging newly formed glassware to be transferred to the conveyor, and means for connecting each pusher plate to the last-mentioned bracket for adjustment in a direction along the last-mentioned bracket as well as toward and away from the last-mentioned bracket.

Claim 6

Apparatus in accordance with claim 1 wherein said post is between said motor and the portion of said bracket adapted to be mounted on a conveyor support frame.

Claim 7

Glass container handling apparatus comprising a 90* pusher for transferring newly formed glassware through an arc of 90* from a dead plate onto a conveyor, said 90* pusher including a mounting bracket having a lower flange, a vertical post supported by the flange, a top plate connected to the bracket generally parallel to said flange, said top plate being coupled to the upper end of the post, a housing surrounding said post and rotatably supported by said flange, a fluid-actuated motor and a pusher plate supported by said housing for movement therewith, said pusher plate being above said motor and connected thereto by linkage means, actuator means coupled to said housing for causing said housing to cyclically oscillate through an arc of about 90*, said actuator means including a cam follower and a cam as well as an arm pivoted at one end to a stationary support, said arm being pivoted at its other end to said housing, said cam follower being supported by said arm intermediate its ends, means associated with said motor for causing said motor to extend said pusher plate to a position so that it will push glassware from a position on a dead plate onto a conveyor as said housing rotates and for retracting the pusher plate after each transfer stroke, said last-mentioned means including a wear plate supported by said lower flange, said housing being mounted on top of said wear plate, said housing having spaced passages communicating with said motor for introducing motive fluid to said motor, said wear plate having bores aligned with said passages in said housing at the ends of the oscillatory stroke of said housing, and conduit means for communicating one wear plate bore to a source of pressure and for venting an oppositely disposed bore in said wear plate.

Claim 8

Glass container handling apparatus comprising a 90* pusher for transferring newly formed glassware through an arc of 90* from a dead plate onto a conveyor, said 90* pusher including a mounting bracket having a lower flange, a vertical post supported by the flange, a top plate connected to the bracket generally parallel to said flange, said top plate being coupled to the upper end of the post, a housing surrounding said post and rotatably supported by said flange, a fluid-actuated motor and a pusher plate supported by said housing for movement therewith, said pusher plate being above said motor and connected thereto by linkage means, actuator means coupled to said housing for causing said housing to cyclically oscillate through an arc of about 90*, said actuator means including a cam follower and a cam as well as an arm pivoted at one end to a stationary support, said arm being pivoted at its other end to said housing, said cam follower being supported by said arm intermediate its ends, means associated with said motor for causing said motor to extend said pusher plate to a position so that it will push glassware from a position on a dead plate onto a conveyor as said housing rotates and for retracting the pusher plate after each transfer stroke, said last-mentioned means including a wear plate supported by said lower flange, said housing being mounted on top of said wear plate, said housing having spaced passages communicating with said motor for introducing motive fluid to said motor, said wear plate having bores aligned with said passages in said housing at the ends of the oscillatory stroke of said housing, and conduit means for communicating one wear plate bore to a source of pressure and for venting an oppositely disposed bore in said wear plate.

Claim 9

Apparatus in accordance with claim 6 wherein said housing iancludes first and second sections, said motor being supported by said first section, said actuator means being connected to said second section, and means including a spring-biased member releasably coupled said sections together for rotation as a unit and for interrupting the coupling of said sections if a jam occurs.

Claim 10

Apparatus in accordance with claim 6 wherein said cam is provided with a peripheral circumferentially disposed double-face track which receives said cam follower.

Claim 11

Glass container handling apparatus comprising a 90* pusher for transferring newly formed glassware from a dead plate onto a conveyor, said 90* pusher including a mounting bracket having a Lower flange, a vertical post supported by the flange, a top plate connected to the bracket generally parallel to said flange, said top plate being coupled to the upper end of the post, a housing surrounding said post and rotatably supported by said flange, a motor and a pusher plate supported by said housing for rotation therewith, said pusher plate being above said motor and connected thereto by linkage means, actuator means including a cam shaft having a double face cam track for causing said housing to oscillate through an arc of about 90*, said actuator means including a cam follower in said track and an arm pivoted at one end to said bracket and pivoted at its other end to said housing, said cam follower being supported by said arm intermediate its ends, means associated with said motor for causing said motor to extend said pusher plate so that it will push glassware from a position on a dead plate onto a conveyor as said housing rotates and for retracting the pusher plate after each transfer stroke, a pair of dead plates alongside a conveyor, and said 90* pusher being mounted between said dead plates with the distance from the axis of said post to said conveyor being substantially equal to the distance from said axis to said dead plates.

Claim 12

Glass container handling apparatus comprising a 90* pusher for transferring newly formed glassware from a dead plate onto a conveyor, said 90* pusher including a mounting bracket having a Lower flange, a vertical post supported by the flange, a top plate connected to the bracket generally parallel to said flange, said top plate being coupled to the upper end of the post, a housing surrounding said post and rotatably supported by said flange, a motor and a pusher plate supported by said housing for rotation therewith, said pusher plate being above said motor and connected thereto by linkage means, actuator means including a cam shaft having a double face cam track for causing said housing to oscillate through an arc of about 90*, said actuator means including a cam follower in said track and an arm pivoted at one end to said bracket and pivoted at its other end to said housing, said cam follower being supported by said arm intermediate its ends, means associated with said motor for causing said motor to extend said pusher plate so that it will push glassware from a position on a dead plate onto a conveyor as said housing rotates and for retracting the pusher plate after each transfer stroke, a pair of dead plates alongside a conveyor, and said 90* pusher being mounted between said dead plates with the distance from the axis of said post to said conveyor being substantially equal to the distance from said axis to said dead plates.

Claim 13

Glass container handling apparatus comprising a 90* pusher for transferring newly formed glassware from a dead plate onto a conveyor, said 90* pusher including a mounting bracket having a lower flange, a vertical post supported by the flange, a top plate connected to the bracket generally parallel to said flange, said top plate being coupled to the upper end of the post, a housing surrounding said post and rotatably supported by said flange, a motor and a pusher plate supported by said housing for rotation therewith, said pusher plate being above said motor and connected thereto by linkage means, actuator means including a cam shaft having a double face cam track for causing said housing to oscillate through an arc of about 90*, said actuator means including a cam follower in said track and an arm pivoted at one end to said bracket and pivoted at its other end to said housing, said cam follower being supported by said arm intermediate its ends, means associated with said motor for causing said motor to extend said pusher plate so that it will push glassware from a position on a dead plate onto a conveyor as said housing rotates and for retracting the pusher plate after each transfer stroke, said housing having spaced passages communicating with said motor for introducing motive fluid to said motor, said last-mentioned means including a stationary wear plate interposed between said lower flange and said housing, and said wear plate having bores aligned with said passages in said housing at the ends of the oscillatory stroke of said housing.

Claim 14

Glass container handling apparatus comprising a 90* pusher for transferring newly formed glassware from a dead plate onto a conveyor, said 90* pusher including a mounting bracket having a lower flange, a vertical post supported by the flange, a top plate connected to the bracket generally parallel to said flange, said top plate being coupled to the upper end of the post, a housing surrounding said post and rotatably supported by said flange, a motor and a pusher plate supported by said housing for rotation therewith, said pusher plate being above said motor and connected thereto by linkage means, actuator means including a cam shaft having a double face cam track for causing said housing to oscillate through an arc of about 90*, said actuator means including a cam follower in said track and an arm pivoted at one end to said bracket and pivoted at its other end to said housing, said cam follower being supported by said arm intermediate its ends, means associated with said motor for causing said motor to extend said pusher plate so that it will push glassware from a position on a dead plate onto a conveyor as said housing rotates and for retracting the pusher plate after each transfer stroke, said housing having spaced passages communicating with said motor for introducing motive fluid to said motor, said last-mentioned means including a stationary wear plate interposed between said lower flange and said housing, and said wear plate having bores aligned with said passages in said housing at the ends of the oscillatory stroke of said housing.