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Patent No. 6049912

Mountable Printable Placard With Headband

A resilient headband in a shape for being mounted on the head of the user. The headband is equipped with a longitudinal slotted member for holding a placard.

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Class 192/147 - Speed responsive


Subclass of Class 192 - Clutches and power-stop control
Definition: Stop mechanisms in which the control of the drive release
No. of patents: 13
Last issue date: 09/09/2008


NumberTitleIssue Date
7422542Method of monitoring a chain pulley block and chain pulley block apparatus
A method for monitoring a chain pulley block and a chain pulley block apparatus with an electric actuator motor (2) that is connected at the drive side to a transmission (7) across a sliding clutch (14). In order to achieve a safe operation of t...
09/09/2008
7173390Method of detecting a malfunction during a displacement of an element by means of a drive system, and device suitable for carrying out such a method
A method and a device are provided for detecting the occurrence of a malfunction upon movement of an element by a driving system. While the element is being moved, a difference between a predetermined value and an actual value is determined at regular intervals by m...
02/06/2007
7089612Motorized operating table with multiple sections
An operating table including at least three elements which are moveable in relation to each other; at least two actuators, each controlling displacement of two elements in relation to the other; a controller which drives each actuator; a sensor to detect a risk of c...
08/15/2006
6933689Power tools
It is an object of the invention to provide a technique to effectively prevent a power tool from being adversely affected when a battery is removed from the power tool. According to the present invention, a power tool is provided that includes a tool bit, a motor th...
08/23/2005
6550597Emergency brake mechanism
In an emergency brake mechanism of the present invention, a rotation input shaft is increased in rotation speed by a planetary set-up gear to centrifuge weights. Through the action of the centrifugal force of the weights, linings of the brake shoes are br...
04/22/2003
6007126Stationary, slow speed and uni-directional lockout for differential action railroad car wheelsets
A railroad car wheelset has an axle with one wheel rigidly attached as in conventional railroad practice. This wheel is permitted to rotate by journal bearings. At the other wheel, the axle is provided with a smooth surface and a self-lubricating bearing ...
12/28/1999
5570770Apparatus, in particular an x-ray examination apparatus, with arrangement for collision protection
An arrangement for collision prevention is provided for an apparatus, in particular an x-ray examination apparatus, having components that can be moved by drive means. A collision is detected by way of detecting the speed of a relevant moving part and det...
11/05/1996
5441131Asymmetry/overspeed brake unit
An asymmetry/overspeed brake unit designed to stop the rotation of a control surface and its attending drive set and attachment hardware in response to a mechanical overspeed condition or an electrical signal from a flight control computer. The asymmetry/...
08/15/1995
5360091Electrically actuated clutch brake apparatus
There is provided a clutch/brake unit having aligned input and output shafts, clutch disks partially immersed in oil carried by the input shaft, brake disks partially immersed in oil fixed to the housing, and two series of friction disks also partially im...
11/01/1994
5291977Electrically actuated clutch brake apparatus
There is provided a clutch/brake unit having aligned input and output shafts, clutch disks partially immersed in oil carried by the input shaft, brake disks partially immersed in oil fixed to the housing, and two series of friction disks also partially im...
03/08/1994
4625850Press clutch control system
A press machine (10) having a slide (18) operable by a clutch controlled rotatable drive system (24, 26, 30, 34) is provided. The press (10) includes a sensor (42) interconnected into the drive system (34) for sensing the rotation of the drive system (34)...
12/02/1986
4267914Anti-kickback power tool control
An impending kickback condition is the operation of a power tool or machine tool system is sensed and used to control or eliminate the kickback. The ability to sense an impending kickback condition can be used in all categories of power driven tools. The ...
05/19/1981
4022307Device for driving a transfer beam
The invention relates to a device for driving a transfer beam for handling relatively heavy loads, comprising in the case of a beam having a rack rigidly associated therewith. Said device consists essentially of a transmission incorporating between the dr...
05/10/1977
 
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