Geometrical instruments – Indicator of direction of force traversing natural media – Level or plumb – terrestrial gravitation responsive
Patent
1987-03-13
1988-07-19
Wilson, Neill R.
Geometrical instruments
Indicator of direction of force traversing natural media
Level or plumb, terrestrial gravitation responsive
411519, 411521, 403326, G01C 924, F16B 2118
Patent
active
047576154
ABSTRACT:
A vial retaining assembly for a level or like object employs a retainer member for securing the vial in a mounting receptacle of the level. The retainer member comprises a first set of generally radially extending ears which frictionally engage the wall which defines the receptacle. A second set of radially extending ears forcefully engages the end of the vial to secure the vial in fixed relationship within the receptacle.
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Waldes Truare Retaining Rings brochure, Waldes Kohinoor, Inc.
The Stanley Works
Wilson Neill R.
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