摘要:
A hand-held device (10, 10′) for contactless distance measurement measures a distance (d) between a target object (18) and at least one reference point (20) of the device (10) using an emitted modulated measurement signal (16). The device includes a housing (12, 13, 56) with a first end (34) that faces the object (18) to be measured, and a second end (35) facing away from the object (18) to be measured. The housing includes an output unit (22, 28, 29, 31) for depicting measured results. Several measured distance values are to be assigned to at least one subsection of the path between the object (18) to be measured and the opposite end (35) of the housing (12, 13, 56) via a length-measurement scale (36, 38, 54) that is displayable in the output unit (22, 28, 29, 31).
摘要:
The invention relates to a device (10, 10′) for contactless distance measurement, especially a hand-held device which allows a distance (d) between a target object (18) and at least one reference point (20) of the device (10) to be determined by means of an emitted measuring signal (16), especially by means of a modulated measuring signal. Said device comprises at least one housing (12, 13, 56) with a first end (34) facing the object (18) to be measured and a second end (35) facing away from the object (18) to be measured, and an output unit (22, 28, 29, 31) for representing the results of measurement. The invention is characterized in that at least one subsection of the distance between the object (18) to be measured and the end (35) of the housing (12, 13, 56) facing away from the object can be associated with a plurality of measured distance values via a length meter scale (36, 38, 54) that can be represented by means of an output unit (22, 28, 29, 31). The invention also relates to a method for operating said device, especially a method for operating a digital measuring stick, the measuring stick (10, 10′) of finite length having an optical output unit (22, 28) for representing a length meter scale (36, 38) and the zero point of the length meter scale (36, 38) being outside the measured range represented by the output unit (22, 28) and being determined via a distance measurement, especially an electro-optical distance measurement.
摘要:
A hand-held device (10, 10′) for contactless distance measurement measures a distance (d) between a target object (18) and at least one reference point (20) of the device (10) using an emitted modulated measurement signal (16). The device includes a housing (12, 13, 56) with a first end (34) that faces the object (18) to be measured, and a second end (35) facing away from the object (18) to be measured. The housing includes an output unit (22, 28, 29, 31) for depicting measured results. Several measured distance values are to be assigned to at least one subsection of the path between the object (18) to be measured and the opposite end (35) of the housing (12, 13, 56) via a length-measurement scale (36, 38, 54) that is displayable in the output unit (22, 28, 29, 31).
摘要:
A hand-held device (10, 10′) for contactless distance measurement measures a distance (d) between a target object (18) and at least one reference point (20) of the device (10) using an emitted modulated measurement signal (16). The device includes a housing (12, 13, 56) with a first end (34) that faces the object (18) to be measured, and a second end (35) facing away from the object (18) to be measured. The housing includes an output unit (22, 28, 29, 31) for depicting measured results. Several measured distance values are to be assigned to at least one subsection of the path between the object (18) to be measured and the opposite end (35) of the housing (12, 13, 56) via a length-measurement scale (36, 38, 54) that is displayable in the output unit (22, 28, 29, 31).
摘要:
The invention relates to an electro-optical output unit (30, 31, 32, 130, 132) for representing measured distance values, especially an electro-optical output unit (30, 31, 32, 130, 132) for a hand-held length-measuring device. The invention is characterized in that the output unit (30, 31, 32, 130, 132) is adapted to represent a variable length meter scale (40, 52, 140) which changes with varying measuring distance of the device to a reference point of the distance measurement. The invention also relates to a measuring device, especially a hand-held distance measuring device, comprising said electro-optical output unit.
摘要:
The invention relates to a hand-held electric power tool comprising at least one driven rotating part (3) that is mounted in at least one bearing (7, 13). According to the invention, the rotating part (3) is vibrationally decoupled from the bearing (7, 13).
摘要:
Disclosed is a hand-held power tool with a housing (12) and a tool (70)—a cutting tool, in particular—located thereon in a manner which allows it to be driven in a rotating and/or oscillating manner, it being possible to operate the tool (70) using a suction air flow, via a vacuum cleaner, in particular; the hand-held power tool is made particularly robust and safe against becoming clogged with chips by the fact that it is driven by a turbine (36) with a rotatable turbine wheel (38) and a stationary turbine housing (60); means ( ) are located between the turbine wheel (38) and the turbine housing (60) for carrying away dust and chips which accidentally enter this space.
摘要:
An eccentric grinding hand power tool has a housing, a grinding plate unit supported on the housing and being eccentrically driven, an elastic seal that dust-tightly seals the housing with respect to the grinding plate unit, the elastic seal being held on the housing both in a form-locking, positive manner and in a force-transmitting, non positive manner without separate elements but with integrated securing elements.
摘要:
A portable power tool having a housing (12) and a tool (70), in particular a cutting tool, which is arranged thereon in such a way that it can be driven in a rotary and/or oscillating manner and which can be operated as prescribed by means of a suction-air flow, in particular with a dust extractor, is made especially robust and insensitive to clogging by chips by virtue of the fact that a turbine (36) having a rotatable turbine wheel (38) and a fixed turbine casing (60) serves as drive, wherein means (101) for the frictionless discharge/ejection of dust and chips that have entered the power tool inadvertently are arranged between the turbine wheel (38) and the turbine casing (60).
摘要:
The invention relates to a filter bag for filtering fine particles from a gas, having a filter coating at least of a certain coating thickness, and at least one filter layer of a certain layer thickness that disposed downstream of the filter coating in the direction of the gas flow. The invention is based on the task of providing a filter bag having a low tendency to clog, thus improving the service life of the dust filter bag, particularly upon the filtering of fine dusts. The task is solved in that the coating thickness of the filter coating (1) is essentially larger than the coating thickness of the filter layer (3, 4) disposed downstream.