发明授权
US4986298A Vacuum regulator with antibinding valve stem connector assembly and
method
失效
真空调节器带有反接头阀杆连接器组件及方法
- 专利标题: Vacuum regulator with antibinding valve stem connector assembly and method
- 专利标题(中): 真空调节器带有反接头阀杆连接器组件及方法
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申请号: US444867申请日: 1989-12-04
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公开(公告)号: US4986298A公开(公告)日: 1991-01-22
- 发明人: Gordon D. Martin
- 申请人: Gordon D. Martin
- 申请人地址: IL Northbrook
- 专利权人: Aeros Instruments, Inc.
- 当前专利权人: Aeros Instruments, Inc.
- 当前专利权人地址: IL Northbrook
- 主分类号: A61M1/00
- IPC分类号: A61M1/00 ; G05D16/06
摘要:
A medical vacuum regulator (10) with a vacuum regulation chamber (20, 34) connected with a supply of unregulated vacuum (26) through a regulation control valve seat opening (24A) controlled by means of a valve head (28, 28A) at one end of a valve stem (30) extending through a valve stem guide (32) and coupled at its opposite end to a movable wall (36, 38) of the regulation chamber (20, 34) is provided with an antibinding valve stem connector assembly (12) comprising a ball and socket connector (46, 48) respectively coupled to the valve stem (30) and the movable wall (36, 38) to enable relative movement between the valve stem guide (32) and valve stem (30).
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