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Class 173/190 - Powered by motor or mechanism


Subclass of Class 173 - Tool driving or impacting
Definition: Apparatus in which a device is provided to operate at least
No. of patents: 20
Last issue date: 10/18/2011


NumberTitleIssue Date
8037946Hammer assembly
A hammer assembly (1) for breaking, levering and raking material, the hammer assembly includes a hammer (1) and an articulated control linkage (3). The hammer includes: a movable mass capable movement along an impact axis (14), an elongat...
10/18/2011
7357458Boring rig
A boring rig (14) for underground boring for excavating purposes and including a substructure (21, 22), a propulsion device, a stabilizing device (31, 32, 35, 36, 37, 38, 39, 42), and a boring unit (20) having a cutter head (29) an...
04/15/2008
7267182Rock drilling rig and rock breaking machine
The rock drilling rig comprises a first control unit (8) arranged on a carrier (1) and a second control unit (9) arranged to a rock drilling apparatus (4). The first control unit (8) and the second control unit (9) communica...
09/11/2007
6889777Implement for driving posts
A post driving implement for use with a vehicle, such as a tractor or a skid loader, is disclosed. The post driving implement is comprised of a hammer, a hammer channel, and a hammer cylinder. The hammer travels longitudinally within the hammer channel and is lifted...
05/10/2005
6680595Control method and apparatus of screw fastening apparatus
It is an object of the present invention to overcome various drawbacks of a conventional oil pulse wrench by using an electric motor, to reduce a reaction force and to fasten a screw with high precision. To achieve the object, the invention provides a con...
01/20/2004
6481507Doweling hole drilling machine
A doweling hole drilling machine includes a vehicle such as a tractor having a frame pivotally mounted to the side of the tractor. The frame is moveable around an axis parallel to the longitudinal axis of the vehicle from a first horizontal orientation to...
11/19/2002
6343662Hydraulic drilling rig
A multi-purpose drilling rig has a movable pipe support cradle which moves horizontally to transfer drill pipe from a storage area to the well being drilled, and vice versa. The cradle travels along a roof platform supported by load-bearing hydraulic lift...
02/05/2002
6082469Doweling hole drilling machine
A doweling hole drilling machine includes a vehicle such as a tractor having a frame pivotally mounted to the side of the tractor. The frame is moveable around an axis parallel to the longitudinal axis of the vehicle from a first horizontal orientation to...
07/04/2000
6068066Hydraulic drilling rig
A multi-purpose drilling rig has a movable pipe support cradle which moves horizontally to transfer drill pipe from a storage area to the well being drilled, and vice versa. The cradle travels along a roof platform supported by load-bearing hydraulic lift...
05/30/2000
5937952Feed shell positioning mechanism
An improved feed shell positioning mechanism for a rock drilling machine, having a boom, a feed shell support pivotably mounted with respect to the boom and supporting a feed shell having a feed shell axis, a roll actuator interposed between the boom and ...
08/17/1999
5799738Doweling hole drilling machine
A doweling hole drilling machine includes a vehicle such as a tractor having a frame pivotally mounted to the side of the tractor. The frame is moveable around an axis parallel to the longitudinal axis of the vehicle from a first horizontal orientation to...
09/01/1998
5383524Method and equipment for aligning the feeding beam of a rock drilling equipment
A method of aligning the feeding beam (6) of a rock drilling equipment by gravity-operated sensors (7x, 7y) indicating the inclination of the feeding beam (6). In the method, the angle values (଱, ଲ) of the feeding beam (6), indicating by the s...
01/24/1995
5183316Mounting bracket for a working device
A mounting bracket for mounting a working device to a boom of a carrier includes a base, flanges for attaching the bracket to the boom, and ears for attaching the working device to the bracket. The ears each define a hole for pivotally coupling the workin...
02/02/1993
4561506Pivoting driver with changeable bits
A universal driver tool pivotable into a plurality of angular positions is disclosed for use by a computer controlled robotic manipulator. Improved mechanism for connecting the driver tool to the pneumatic system of the robot is disclosed as is a techniqu...
12/31/1985
4498545Automatic device for tightening bolts
An automatic bolt tightening device for assembling mechanical members placed on a buck arranged above the bolt tightening device. The bolt tightening device is provided with a headstock which is translatable along three mutually perpendicular axes. A rota...
02/12/1985
4484637Positioning control system for rock drill support apparatus
In a pivotally mounted rock drill boom and feed bar apparatus, the pivots of the boom and the feed bar positioner include angle sensors comprising cam actuated fluid pressure regulating valves. The pressure regulating valves are disposed in a control circ...
11/27/1984
4437524Well drilling apparatus
A well drilling system designed to eliminate the usual rotary table, kelly and kelly bushing, and including a drilling unit having a tubular part connectible to the upper end of the drill string and a motor for driving that tubular part rotatively, with t...
03/20/1984
4343367Drilling machine positioning arrangement
A positioning arrangement for a drilling machine or the like in which the desired position of a bit of the drilling machine mounted on a boom structure is indicated based on rectangular coordinates for facilitation of automatic positioning programming for...
08/10/1982
4234155Tool stand
A tool stand for orienting and holding a tool such as a core drilling apparatus for sampling concrete or earth formations, comprising a base, an elongated column projecting from said base, a carriage means supported by enclosing the column, the carriage m...
11/18/1980
4196914Chuck for an earth boring machine
Rotary and axial forces are transmitted through a chuck to a rotary drill string. The chuck clampingly engages the drill string to transmit rotary and axial forces. A multiplicity of jaw elements in the chuck contact the drill string. The chuck includes a...
04/08/1980
 
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