|국가/구분||United States(US) Patent 등록|
|미국특허분류(USC)||033/286; 033/DIG.21; 033/347; 033/370|
|발명자 / 주소|
|출원인 / 주소|
|대리인 / 주소||
|인용정보||피인용 횟수 : 2 인용 특허 : 12|
A leveling or plumbing device for indicating a line or a plane on a surface, such as wall or floor. The device includes a light beam generator that emits a light beam exteriorly of a body or housing. Level and/or plumb indicators, such as vials, are mounted to the housing for positioning the device in a predetermined orientation on the surface. The device includes a series of extendible and retractable engagement members, each of which defines an outer end having an adhesive. The adhesive engages the surface to releasably secure the device to the surfa...
I claim: 1. A leveling device for use on a work surface, comprising: a body defining an engagement surface facing in a first direction and one or more manually engageable surfaces facing in a direction away from the first direction; a light beam emitter contained within the body for emitting a light beam exteriorly of the body in a predetermined orientation relative to the body; and an engagement arrangement associated with the body for selectively maintaining the body in position on the work surface, including a plurality of spaced apart engagement mem...