Abstract: A four-wheeled-electromotive cart includes a single motor and a direct axle driving mechanism for driving the axle of left and right front wheels by means of the motor. The single electric motor would cause no rotation speed difference between the left and right front wheels and hence constantly permits a smooth linear movement of the electromotive cart. The direct axle driving mechanism includes a relay shaft connected to the output shaft of the electric motor, a small-diameter bevel gear mounted on a lower end of the relay shaft, and a large-diameter bevel gear engaging with the small-diameter bevel gear. The front-wheel axle is spline-connected to the large-diameter bevel gear so as to be driven by the motor via the direct axle driving mechanism. Thus, the electromotive cart is allowed to smoothly start moving without sudden jolts or shocks caused by start of the motor rotation.

Abstract: A pressure sensor superior in pressure resistance and capable of covering from a low to high pressure range as a measuring range is to be provided. Plural pressure sensing sections for high and low pressures are formed on a silicon board, the pressure sensing sections each com ing an outer frame portion, a diaphragm portion, a strain gauge portion and an electrode portion. The silicon board side with the strain gauge portions formed thereon and an insulating substrate having electrode take-out portions are bonded together in such a manner that the strain gauge portions are hermetically sealed and that the electrode portions on the silicon board and the electrode take-out portions of the insulating substrate are electrically connected with each other, to constitute a pressure sensing unit.

Abstract: A semiconductor pressure sensor utilizing electrostatic capacitance has a plurality of pressure sensing electrostatic capacitances and a reference electrostatic capacitance formed on one side of a silicon chip. As a movable electrode, the pressure sensing electrostatic capacitances each have a diaphragm, which may have a displacement portion composed of a central area thereof, and a peripheral portion which is more deformable than the central portion.

Abstract: A bush cutting machine comprises a clutch case attached to a front part of an engine, an operation rod extending forwardly from the clutch case and having a brake lever, a cutting blade provided at a distal end of the operation rod, and a transmission shaft passing through the operation rod for transmitting drive power to the cutting blade. A brake drum is housed in the clutch case for braking the rotation of the cutting blade. A brake arm is swingably attached to a front wall of the clutch case closely to the brake drum. The brake arm carries at one end thereof a brake shoe for press contacting an outer peripheral surface of the brake drum. A brake wire is mounted between the brake lever and brake arm. The brake wire is disposed to extend along either external surface of the operation rod.

Abstract: An endoscope apparatus comprises an endoscope with a built-in solid state imaging device at a distal end portion of an insertion tube and a distal end optical adapter detachably connected to the distal end portion of the insertion tube of the endoscope. At least one objective optical system is provided in said distal end optical adapter and an optical image formed on said solid state imaging device through the distal end optical adapter is displayed on a TV monitor through a control device.

Abstract: An endoscope apparatus of the present invention comprises an endoscope with a built-in solid state imaging device at a distal end portion of an insertion tube and a distal end optical adapter detachably connected to the distal end portion of the insertion tube of the endoscope. At least one objective optical system is provided in said distal end optical adapter and an optical image formed on said solid state imaging device through the distal end optical adapter is displayed on a TV monitor through a control device.

Abstract: In a reinforcement binding machine in which a wire feed device feeds externally therefrom a wire for binding reinforcements and the wire fed out by the wire feed device is bent in a loop shape by a guide part, a twisting-and-tightening mechanism comprises: a pair of hooks being capable of opening and closing, for gripping in part the wire wound around the reinforcements in the loop shape; a driver for rotating the hooks in a direction to twist the wire gripped and for selectively moving the hooks toward or apart from the reinforcements with the wire wound therearound; and a coil spring for urging the hooks such that the hooks are normally spaced apart from the reinforcements.

Abstract: A hot-rolled ferrite steel capable of being used in a hot-rolled annealed condition as a material for a motor vehicle exhaust system including:about 0.02 wt % or less of C,about 0.8 wt % or less of Mn,about 0.015 wt % or less of N,about 0.02 wt % or less of Al,about 0.02 wt % or less of Ti,about 0.02 wt % or less of Zr; the steel further including:about 0.4 to 2 wt % of Si,about 6 to 17 wt % of Cr,about 0.025 to 0.10 wt % of P,about 0.35 to 0.60 wt % of Nb; andthe balance Fe and incidental impurities.The weight percentages of the above components satisfy the following equations (1) and (2):Nb/(C+N).gtoreq.13 (1)11.ltoreq.Cr+3Si+4Nb-50(C+N+P)-Mn-Ni-Co+Mo+Cu.ltoreq.16.5 (2),such that a low-cost ferritic steel is produced which, after conventional hot rolling, exhibits characteristics well-suited for motor vehicle exhaust systems such as high workability, high heat resistance and good manufacturability.

Abstract: A wire winding guide for a reinforcing bar binding machine in which reinforcing bars are bound with a wire, the wire winding guide includes: a wire feed device for feeding the wire to bind the reinforcing bars; a guide portion for curling the wire fed out from the wire feed device so as to form the wire into a loop; a twisting hook for holding a portion of the wire wound and twisting the wire; a cutting device for cutting off the loop of the wire from the primary wire; a first and a second guide arm for guiding and holding the loop-shaped wire fed out from the guide portion, wherein the first and the second guide arm are arranged in the front of the twisting hook being opposed to each other; and a contact portion arranged close to the twisting hook, coming into contact with a crossing portion of the reinforcing bars in the process of binding.

Abstract: A reinforcement binding machine for binding reinforcement with a wire, comprises: a wire feed device for feeding out the wire; a guide arm for guiding the fed-out wire such that the wire is wound in a loop shape around the intersecting portions of the reinforcements; a wire twisting device for gripping part of the looped portion of the wire wound around the reinforcements to twist and tighten the same; a wire cutting device for cutting off the looped portion of the wire from the base portion of the wire; and a newly-wire setting mechanism for positioning the leading end of the wire to a given position when newly loading the wire into the reinforcement binding machine.

Abstract: A safety device for a reinforcing bars binding machine which includes a wire feed device for feeding out a wire used to bind reinforcing bars together, a guide arm for guiding the fed-out wire such that the wire is wound around the intersecting portions of the reinforcing bars in a loop manner, a twisting device for holding part of the loop-wound portion of the wire and for twisting and rotating the same to thereby tighten the wire, and a cutting device for cutting off the loop-wound portion of the wire from the portion of the wire existing on the wire feed device side, wherein the guide arm is movable in the wire feeding direction, and wherein the safety device comprises: a spring normally energizing the guide arm in the opposite direction to the wire feeding direction; and detector for detecting that the guide arm is moved in the wire feeding direction against the energization force of the spring, wherein the wire feeding device is operated in accordance with the detection of the movement of the guide arm b

Abstract: A ferrite-type hot-rolled stainless steel sheet is composed of a selected class of elements in specified amounts. Even when cold rolling and its subsequent process steps are omitted, the hot-rolled steel sheet is sufficiently workable and excellent in surface roughening resistance and high-temperature fatigue properties after working. The steel sheet is easy to produce with a wide range of annealing temperatures.

Abstract: A binding wire guide mechanism in a binding machine has a bend guide member which is provided at the outlet of a straight guide member. The bend guide member has a wire receiving surface which receives a wire fed through the straight guide member in such a manner that the wire abuts obliquely against the surface. The angle of abutment of the wire with respect to the wire receiving surface is made adjustable. As the front end portion of the wire is bent while abutting against the wire receiving surface, the remaining portion of the wire is also bent; that is, the wire is continuously bent, thus forming a wire loop. The bend guide member is short, providing a free space at the front. Therefore, the wire can be positively wound around the articles with ease, which contributes to an improvement of the operating performance of the binding machine.

Abstract: An air flow meter comprises a main passage for an axial main air flow; an axial subpassage for air flow, disposed in the main passage and formed so that part of the air in the main passage is taken in at an upstream side thereof and flows in the same direction as the axial main air flow; a radial subpassage for air flow, intersecting the axial subpassage at a downstream side of the axial subpassage so that air from the axial subpassage flows into the radial subpassage and is divided into two radial air flows running in different radial directions; the air having passed through the radial subpassage joining the axial main air flow. An air flow sensing means is disposed in the radial subpassage for sensing a flow rate of air therein, and a projection is disposed in the radial subpassage around the intersection of the axial and radial subpassages, for suppressing turbulence of air flow around the intersection.

Abstract: An industrial endoscope apparatus including an endoscope which is to be inserted into an inspection portion, a control device for controlling the endoscope, a light source device for supplying an illumination light to a distal end portion of the endoscope, a CRT monitor for displaying an image of an object, a casing in which the control device, the light source device and the CRT monitor are contained within one unit, and a fixing member for detachably fixing the CRT monitor to the casing.

Abstract: An axial flow thermo-type air flow meter for internal combustion engines has a spider disposed in a main air passage formed in a body and having formed therein an auxiliary air flow passage including an axial auxiliary air flow passage portion accommodating a heat-generating resistor element for detecting a rate of engine intake air flow. The auxiliary air flow passage also includes more than one radial air flow passage portions which are connected to the axial air flow passage portion and curved and turned at their radially outer ends and then extend radially inwardly to outlet ends open to the main air passage, whereby the total length of the auxiliary air flow passage is increased to decrease the influence of pulsation of engine intake air flow on the air flow meter.

Abstract: A detecting module for an air flow meter for internal combustion engines has an arm provided with a heat wire sensor at one end thereof and with a signal processing unit at the other end, and is provided with a predetermined constant length. A body member assembled with the detecting module is selected from among several varieties of body members produced for engines with different stroke volumes, each of which has an main air path formed by an axial bore having a diameter commensurate with the stroke volume. A bridging member formed across the axial bore which forms the main air path is provided therein with a by-pass path for by-passing a part of the airflow within the main air path and a communicating hollow portion for accommodating the arm.

Abstract: An endoscope comprises an insertion section, and this insertion section has a distal end portion, a proximal end portion, and a bendable portion located between the distal and proximal end portions. A fluid-pressure actuator is coupled to the insertion section, so as to bend the bendable portion. The fluid-pressure actuator is made up of an extensible body and an expansion-restricting member. The extensible body defines an internal space and has an extension axis along which it extends or contracts. The expansion-restricting member causes the extensible body to extend in the direction of the extension axis when a fluid is supplied into the internal space, and causes the extensible body to contract in the direction of the extensible axis when the fluid is discharged from the internal space. The bendable portion of the insertion section is bent in accordance with the extension or contraction of the extensible body.

Abstract: In order to enable to sufficiently deflect the viewing direction for a distal end having an end surface substantially perpendicular to the optical axis of an objective optical system and minimize aberrations produced due to the deflecting action, the objective optical system for endoscopes comprises at least one surface designed as a deflecting surface or an eccentric surface on the image side of the surface nearest the object to be observed out of the surfaces of the optical components composing the objective optical system so that the light is refracted at least twice for deflecting the viewing direction.

Abstract: An eddy current flaw detecting endoscope apparatus has an endoscope having an elongate insertable part and an objective optical system provided on the tip side of the insertable part. A flaw detecting device is provided on the tip side of the endoscope. A signal processing device processes a signal for the flaw detecting device. An eddy current flaw detecting apparatus detects a flaw in an object to be inspected and generates a flaw detecting signal. A controlling device generates a control signal controlling a controlled device with a flaw detecting signal of the eddy current flaw detecting apparatus.