公开(公告)号：US20170334469A1

公开(公告)日：2017-11-23

申请号：US15601860

申请日：2017-05-22

申请人： O-Ring Sales & Service, Inc.

发明人： Kevin G. Johnson ,  Richard Uriah Ralston ,  Andrew Allen Johnson

IPC分类号： B61G11/02 ,  B61G3/06 ,  B61G9/04 ,  B61G11/10 ,  B61G3/04

CPC分类号： B61G11/02 ,  B61G3/04 ,  B61G3/06 ,  B61G9/04 ,  B61G9/045 ,  B61G9/06 ,  B61G11/10

摘要： A railcar end unit is operable to be mounted in a center sill between buff and draft sill stops. The buff and draft end bodies are configured to be shiftably mounted relative to the center sill to engage the respective sill stops and to shift axially relative to one another along a unit axis. The end unit includes a buff spring pack operably mounted between the end bodies and compressible along the unit axis from a neutral condition to a compressed condition.

公开(公告)号：US09868453B2

公开(公告)日：2018-01-16

申请号：US15601860

申请日：2017-05-22

申请人： O-Ring Sales & Service, Inc.

发明人： Kevin G. Johnson ,  Richard Uriah Ralston ,  Andrew Allen Johnson

IPC分类号： B61G11/10 ,  B61G11/02 ,  B61G9/04 ,  B61G3/06 ,  B61G3/04

CPC分类号： B61G11/02 ,  B61G3/04 ,  B61G3/06 ,  B61G9/04 ,  B61G9/045 ,  B61G9/06 ,  B61G11/10

摘要： A railcar end unit is operable to be mounted in a center sill between buff and draft sill stops. The buff and draft end bodies are configured to be shiftably mounted relative to the center sill to engage the respective sill stops and to shift axially relative to one another along a unit axis. The end unit includes a buff spring pack operably mounted between the end bodies and compressible along the unit axis from a neutral condition to a compressed condition.

公开(公告)号：US11697441B2

公开(公告)日：2023-07-11

申请号：US16928323

申请日：2020-07-14

申请人： O-Ring Sales & Service, Inc.

发明人： Kevin G. Johnson ,  Richard Uriah Ralston ,  Andrew Allen Johnson

IPC分类号： B61G11/10 ,  B61G11/02 ,  B61G9/06 ,  B61G3/06 ,  B61G9/04 ,  B61G3/04

CPC分类号： B61G11/02 ,  B61G3/06 ,  B61G9/045 ,  B61G9/06 ,  B61G3/04 ,  B61G9/04 ,  B61G11/10

摘要： A railcar end unit is operable to be mounted in a center sill between buff and draft sill stops. The buff and draft end bodies are configured to be shiftably mounted relative to the center sill to engage the respective sill stops and to shift axially relative to one another along a unit axis. The end unit includes a buff spring pack operably mounted between the end bodies and compressible along the unit axis from a neutral condition to a compressed condition.

公开(公告)号：US20180118235A1

公开(公告)日：2018-05-03

申请号：US15858946

申请日：2017-12-29

申请人： O-Ring Sales & Service, Inc.

发明人： Kevin G. Johnson ,  Richard Uriah Ralston ,  Andrew Allen Johnson

IPC分类号： B61G11/02 ,  B61G3/06 ,  B61G9/04 ,  B61G3/04 ,  B61G11/10

CPC分类号： B61G11/02 ,  B61G3/04 ,  B61G3/06 ,  B61G9/04 ,  B61G9/045 ,  B61G9/06 ,  B61G11/10

摘要： A railcar end unit is operable to be mounted in a center sill between buff and draft sill stops. The buff and draft end bodies are configured to be shiftably mounted relative to the center sill to engage the respective sill stops and to shift axially relative to one another along a unit axis. The end unit includes a buff spring pack operably mounted between the end bodies and compressible along the unit axis from a neutral condition to a compressed condition.

公开(公告)号：US1935364A

公开(公告)日：1933-11-14

申请号：US56764131

申请日：1931-10-08

申请人： HEINRICH LANGEN

发明人： HEINRICH LANGEN

IPC分类号： B61G11/02

CPC分类号： B61G11/02

公开(公告)号：US1735424A

公开(公告)日：1929-11-12

申请号：US11669526

申请日：1926-06-17

申请人： DURYEA O C CORP

发明人： DURYEA OTHO C

IPC分类号： B61G11/02

CPC分类号： B61G11/02