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公开(公告)号：US4232980A
公开(公告)日：1980-11-11
申请号：US1786
申请日：1979-01-08
CPC分类号： E04F21/248
摘要： A rotary power trowel having a safety clutch, a gyroscopic stabilizing ring, blade pitch control, and an adjustable handle. The safety clutch employs a belt tension adjustment to act as a brake on the drive belt when activated either manually or, in an emergency, automatically by a lever on a handle near the operator. When the rotary trowel goes out of control in an emergency, centrifugal force activates the lever and disengages the driving force and acts to brake the belt in less than one turn of the handle. The gyroscopic stabilizer ring lowers the rotary trowel center of gravity and generates a stabilizing effect. Blade tilting is accomplished through a turning knob located at the end of the adjustable handle, which is adjustable to the height of the operator.
摘要翻译： 具有安全离合器，陀螺稳定环，叶片俯仰控制和可调手柄的旋转动力t刀。 安全离合器采用皮带张力调节作为驱动皮带上的制动器，手动或者在紧急情况下，由操作者附近的手柄上的杠杆自动启动。 当旋转t刀在紧急情况下失控时，离心力启动杠杆并解除驱动力，并在小于一圈的手柄中作用以制动皮带。 陀螺稳定环降低旋转t刀重心，产生稳定作用。 刀片倾斜是通过位于可调手柄末端的旋钮实现的，可调节手柄的高度。
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公开(公告)号：US3931748A
公开(公告)日：1976-01-13
申请号：US482652
申请日：1974-06-24
IPC分类号： F16H57/022 , F16H57/023 , F16H57/04 , F16H57/12 , F16H57/02
CPC分类号： F16H57/0456 , F16H57/12 , F16H2057/0222 , F16H57/023 , Y10T74/1957 , Y10T74/19991 , Y10T74/2186
摘要： A portable material treating device having conventional power, supporting, and treating means is provided with a novel sealed enclosure for the gearing unit between the power source and the driven treating device. The sealed enclosure for the gearing unit may be constructed to accommodate various horsepower sizes of gas or electric power sources with two embodiments being disclosed and provides for alignment and backlash adjustment between the gears of the gearing unit by adjustment of the enclosure. A lubricant fitting may be provided whereby the bottom of the sealed enclosure acts as a lubricant sump.
摘要翻译： 具有常规动力，支撑和处理装置的便携式材料处理装置设置有用于动力源和驱动处理装置之间的传动装置的新型密封外壳。 用于传动装置的密封外壳可以构造成适应各种功率大小的气体或电力源，其中公开了两个实施例，并且通过调节外壳来提供齿轮传动装置的齿轮之间的对准和齿隙调节。 可以提供润滑剂配件，由此密封外壳的底部用作润滑油槽。
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公开(公告)号：US4180281A
公开(公告)日：1979-12-25
申请号：US898525
申请日：1978-04-20
摘要： An improved safety chain arrangement for linking a towing vehicle connected with primary towing arrangement to a towed vehicle. The invention assures control of the towed vehicle in the event of failure of the primary towing arrangement. A safety chain of adequate length and strength to meet standard safety regulations has a hook, snap, or other retention means at each end, and passes through a post in the towed vehicle, with each end of the chain connected to the towing vehicle, such as by looping the chain ends through an aperture on the towing vehicle bumper and suitably securing each chain end. The post has a storage compartment for storage of excess links of chain, and is provided with two slotted keyholes for passage and secure retention of links of the safety chain.
摘要翻译： 一种改进的安全链装置，用于将与主牵引装置连接的牵引车辆连接到拖车。 本发明确保在主牵引装置发生故障的情况下对拖曳车辆的控制。 具有足够长度和强度以满足标准安全规定的安全链条在每端具有钩，卡扣或其他保持装置，并且穿过牵引车辆中的柱，链条的每端连接到牵引车， 通过将链端环绕通过牵引车辆保险杠上的孔并适当地固定每个链末端。 该柱具有用于存储链条的多余连杆的储藏室，并且设置有两个用于通过并且可靠地保持安全链的连接的开槽的钥匙孔。
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公开(公告)号：US4113403A
公开(公告)日：1978-09-12
申请号：US829581
申请日：1977-08-31
CPC分类号： E02D3/074
摘要： A body of lubricant acting also as a coolant is confined by a housing to the base of a vibratory compactor, in direct contact with the planar bottom portion of the base. Upwardly inclined end portions of the base accommodate tilting of the machine in one direction for installation of wheel assemblies or in the other direction to drain all of the lubricant from the housing. A vibration generating, eccentric rotor within the housing mounts flow directing blades to effect misting of the lubricant during vibration and direct it toward critical lubricating points.
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公开(公告)号：US3934377A
公开(公告)日：1976-01-27
申请号：US478728
申请日：1974-06-12
CPC分类号： B24B7/186
摘要： A rotary concrete surface grinding and smoothing device having a segmental diamond chip impregnated, engine-driven, rotating grinding head; a foot-operated unit for raising and lowering the grinding head with relation to the surface to be ground; a slanted front end for better visibility; and, ballast weight and adjustable axle means to incrementally vary the downward pressure of the grinding head on the to be ground surface.
摘要翻译： 一种旋转混凝土表面研磨和平滑装置，其具有分段金刚石芯片浸渍，发动机驱动的旋转研磨头; 用于相对于被研磨表面升高和降低磨头的脚踏操作单元; 一个倾斜的前端，以提高能见度; 并且压载重量和可调节的轴意味着递增地改变待磨削表面上的研磨头的向下压力。
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6.发明授权Mechanism for maintaining constant belt tension on sheaves with a non-fixed center distance 失效在非固定中心距离的带轮上保持皮带张力恒定的机构
公开(公告)号：US4595384A
公开(公告)日：1986-06-17
申请号：US616164
申请日：1984-06-01
CPC分类号： E02D3/074
摘要： A mechanism which maintains drive belt tension substantially constant when the drive belt is mounted on sheaves with a non-fixed center distance such as the sheaves and belt utilized in vibratory earth compaction equipment, shakers and the like where off-centered weights are rotated at high speeds to obtain desired vibrations. The mechanism includes a driven sheave that is mounted eccentrically on the rotating shaft which supports the off-center weight with the eccentricity of the eccentrically mounted sheave being in the same direction as the offset of the off-center weight. This arrangement allows the center distance between the drive sheave and driven sheave to remain relatively constant thus retaining the drive belt tension relatively constant.
摘要翻译： 当驱动带以非固定的中心距离安装在滑轮上时，保持传动皮带张力基本上恒定的机构，例如用于振动夯实设备，振动筛等中的滑轮和皮带，其中偏心重物高度旋转 获得所需振动的速度。 该机构包括偏心地安装在旋转轴上的驱动滑轮，其支撑偏心重量，偏心安装的滑轮的偏心与偏心重量的偏移方向相同。 这种布置允许驱动绳轮和驱动绳轮之间的中心距离保持相对恒定，从而保持传动带张力相对恒定。
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公开(公告)号：US3963258A
公开(公告)日：1976-06-15
申请号：US585234
申请日：1975-06-09
CPC分类号： B62B5/04
摘要： A material handling vehicle having a deadman brake resiliently suspended from a load receiving receptacle of the vehicle. Brake shoes of the brake normally frictionally engage center wheels of the vehicle and restrain the vehicle from movement. Grasping of a handle of the brakes together with a fixed handle provided on the vehicle cause the brake shoes to disengage from the center wheels and permit free movement of the vehicle.
摘要翻译： 一种物料搬运车辆，具有从车辆的承载座容纳弹性悬挂的制动器制动器。 制动器的制动器通常摩擦地接合车辆的中心轮并且限制车辆的移动。 将制动器的手柄与设置在车辆上的固定手柄一起抓紧使得制动蹄从中心轮脱离并允许车辆的自由移动。
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公开(公告)号：US3932006A
公开(公告)日：1976-01-13
申请号：US472466
申请日：1974-05-22
CPC分类号： F16C33/78 , F16J15/162 , F16J15/3228 , F16C13/022
摘要： A triple seal and spacer means within a multi-part seal housing, including a sealed bearing unit which supports and protects the end of a driven shaft extending outside one peripheral end wall of a container through which the driven shaft passes. Suitable lubrication fittings are provided, and lubricant is forced through these fittings into the interior of the multipart seal housing, past two relatively soft seals having a spacer therebetween, and past another spacer and a relatively rigid long-lasting seal adjacent the wall through which the driven shaft passes.
摘要翻译： 三重密封和间隔件装置在多部分密封壳体内，包括密封的轴承单元，其支撑和保护从动轴的端部延伸到从动轴通过的容器的一个外围端壁的外侧。 提供了合适的润滑配件，并且迫使润滑剂通过这些配件进入多部分密封壳体的内部，通过两个相对较软的密封件，其间具有间隔件，并且经过另一间隔件和靠近壁的相对刚性的持久密封件 从动轴通过。
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