Bizarre Patents
Pillow with retractable umbrella
A pillow assembly having a supporting assembly and a retractable umbrella assembly that is easily transportable and allows a user to support his/her head while covering their face from sunlight.
PatentStorm News
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Number | Title | Issue Date |
| 8172334 | Apparatus and method for monitoring tunnel boring efficiency A tunnel boring machine (90) having a rotating cutter head (93) that rotatably supports a plurality of cutter assemblies (10). A plurality of instrument packages (50) are attached to the rotating cutter head, each instrument package havin... | 05/08/2012 |
| 7360844 | Geosteering detectors for boring-type continuous miners The invention provides, in one embodiment, a detector for a miner comprising a gamma sensing element and a light sensing element coupled to the gamma sensing element. According to the embodiment, the detector is mounted on a rotary cutter of a boring-type continuous... | 04/22/2008 |
| 7014271 | Apparatus for detecting the state of rotation of cutting rollers of a shield tunneling machine An arrangement for detecting the state of rotation of cutting rollers (2) of a shield tunneling machine has at least one cutting roller (2) comprising a generator unit (12) that generates electrical energy when the respective cutting roller (... | 03/21/2006 |
| 6772134 | Control means for a horizontal boring tool Control apparatus for a horizontal boring tool is described which drives a boring lance via boring rods. The tool includes an input interface for receiving actual values of controlled variables of the horizontal boring tool, and an output unit for issuing control si... | 08/03/2004 |
| 6332652 | Tunnel excavator with variable pressure water jets An excavator including a center shaft rotatably provided in a shield body in concentric relation to an outer cone. An inner cone for crushing excavated materials in cooperation with the outer cone is eccentrically provided on the center shaft. A cutter he... | 12/25/2001 |
| 6062650 | Continuous control system for a mining or tunnelling machine A continuous control system for a mining or tunnelling machine having a boom (12) with a motor driven cutting head (14) at one of its ends and a rotatable turret (20) at the other end, the control system comprising angular encoders (40, 44) for continuous... | 05/16/2000 |
| 5938288 | Automatic control system and method for a machine used for excavating drifts, tunnels, stopes, or caverns An automatic control of the operation of a machine used for excavating drifts, tunnels, stopes, caverns or the like of a predetermined profile having a rotatable head (10) and cutting arms (14, 16) mounted on the head for rotation therewith, extending in ... | 08/17/1999 |
| 5501548 | Method for controlling the direction of a shield tunneling machine and an apparatus therefor When a shield tunneling machine is deviated from the scheduled line while being propelled, the deviation of the shield tunneling machine from the scheduled line is detected and according to the data obtained on the deviation of the shield tunneling machin... | 03/26/1996 |
| 5312163 | System for aiding operation of excavating type underground advancing machine A system for supporting the drive of an excavating type underground advancing machine is provided to lighten the operator's burden so that an unskilled operator can perform operation comparable to that of the skilled operator. In this system for supportin... | 05/17/1994 |
| 5296915 | Method and apparatus for controlling direction of excavating machine There is disclosed a method and an apparatus for easily controlling the advancing direction of an excavating machine without causing the excavating machine to largely trace in a zigzag way. The direction control is done by the steps of mounting a reflecto... | 03/22/1994 |
| 5060735 | Device for positioning of a drill bit Device for positioning of a drill bit (1) at a positioning plane (2). A drill rig (3) is provided with two video cameras (9) for sensing the position of a light source (8) adjacent the drill bit. The video cameras are aligned in parallel. The image fields... | 10/29/1991 |
| 4984289 | Apparatus for controlling underground excavator With respect to correcting of a forward movement course of the underground excavator, the control apparatus is so constructed that a positional deviation of the pilot head (20) relative to an excavation planned value is obtained on the basis of detecting ... | 01/08/1991 |
| 4588230 | Control for mining machine A control for a mining machine having means for traversing a ground surface and a universally-pivotal carrier arm of variable length which carries at its forward end a cutter drum. A displacement pickup is responsive to forward or aft movement of the cutt... | 05/13/1986 |
| 4523651 | Coal auger guidance system A method and apparatus for maintaining a second elongated hole axis substantially parallel to a previously bored horizontal hole axis which entails inserting a seismic signal generating apparatus into one hole and a seismic signal receiving apparatus into... | 06/18/1985 |
| 4470635 | Method and apparatus for excavating a tunnel or gallery face A method of excavating a tunnel face in which the cutting head is sunk into the face to form an initial penetration and is then moved laterally. The power consumption of the cutting head drive motor is measured, compared with the setpoint value and the at... | 09/11/1984 |
| 4412700 | System for monitoring the movement of a cutting tool of a tunnel-driving machine relative to a desired profile The system for monitoring the movement of a cutter arm and of the cutting tools rotatably mounted on said cutter arm in a tunnel-driving machine comprises a receiver (13), which has a sighting device (14) that is mounted to be displaceable and pivotally m... | 11/01/1983 |
| 4403664 | Earth boring machine and method An earth boring machine and method are disclosed. An above-ground reference line, such as a laser beam, is established for a hole to be bored. The direction of the reference line is detected. The direction of a cutting head of the boring machine in a bore... | 09/13/1983 |
| 4391336 | Acoustic system to guide a coal seam auger A method for boring a hole so that its axis is substantially parallel to the axis of a previously bored hole for positioning an acoustical transmitter and receiver against the hole of the hole being bored so that their position on the wall lies on a horiz... | 07/05/1983 |
| 4285546 | Tunnel profile control An apparatus and method for controlling the profile of an aperture cut by a cutting head capable of traversing movement in two directions at right angles to each other, e.g. the cutting head of a mining machine, wherein means is provided to control the mo... | 08/25/1981 |
| 4261617 | Method of controlling the working motion of a cutting tool of a tunnel-driving machine over the breast, and apparatus for carrying out the method A method of controlling the working motion of a cutting tool of a tunnel-driving machine over the breast, wherein the actual position of the cutting tool is ascertained in consideration of the position of the tunnel-driving machine relative to the desired... | 04/14/1981 |
| 4238828 | Position detecting apparatus Position detecting apparatus having a target comprising radiation emitting eans for emitting radiation to define four points in non-planar relationship such that a first set of three of the points lies in a first target plane while a second set of three of... | 12/09/1980 |
| 4033626 | Method and apparatus for controlling a tunneling machine The displacement of a cutting tool carried by a pivot arm for universal movement on a tunneling machine is controlled to produce a tunnel having a desired profile by producing position signals representing a measured set of perpendicularly-related pivot a... | 07/05/1977 |
| 4027210 | Method and control system to limit shifting movement of a winning tool for a tunneling machine The winning tool carried for universal movement by the frame of a tunneling machine is controlled by a system and method to limit tool movement in a manner to form a tunnel with a desired cross section. Positioning of the winning tool is determined in rel... | 05/31/1977 |
| 4023861 | Method and apparatus for controlling a tunneling machine The range of movement by a winning tool of a tunneling machine is controlled to release material from a heading wall to form a tunnel having a desired profile. The tunneling machine carries gyroscope detectors and a detector for a laser beam which is proj... | 05/17/1977 |
