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PTO coupling

A power output, power output shaft technology, applied in the direction of mechanical drive clutches, clutches, machines/engines, etc., can solve problems such as unsatisfactory connections and no system sales

Active Publication Date: 2017-04-12
EVOLUTION POWER TOOLS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, due to the belief that "on-site" connectivity is unsatisfactory, so far no system has been marketed until applicants become aware of the problem

Method used

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  • PTO coupling
  • PTO coupling
  • PTO coupling

Examples

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Embodiment Construction

[0059] exist figure 1 In , a power unit 20 is shown which is releasably coupled to any one of a number of accessories for driving purposes, three of these accessories are indicated at 16, 14 and 17, respectively a water pump, a generator and In the form of a high pressure pump.

[0060] The power unit 20 is in the form of a single-cylinder gasoline engine 21 molded in a tube frame 15 provided with a pair of wheels 22 to facilitate transport and with a handle 23 secured by screws 24 which can Folds from the upright position shown to a horizontal position for more compact storage. The frame 15 is also provided at its front end with a U-shaped sub-frame 25 which carries two spaced apart sleeves 26 and which can be moved from the horizontal position shown by suitably releasing and locking the two handles 27. Hinged to an upright compact storage / transport position, with one handle on each side of the front portion of the frame 15 , while manually operable braking mechanisms 28 ac...

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PUM

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Abstract

The invention relates to a power take-off coupling for connecting an engine (20, 21) to a field accessory (16, 14, 17), comprising: a resilient power transfer member (3) in the coupling; a latch A lock arrangement (8, 46, 9, 10, 49, 50) for mechanically latching the accessory to the engine (20, 21) has a manually operable release arrangement (13) for unlocking. The PTO shaft of the engine (20, 21) carries one half (5) of the dog clutch and the other half (7) of the dog clutch is carried by the accessories (16, 14, 17). The alignment structure comprises a first circular ring (18) coaxially attached to the output shaft assembly of the engine (20, 21) and a second circular ring (19) coaxially attached to To the accessory's input shaft assembly, the two rings (18, 19) are of different diameters so that one is adapted to engage coaxially in the other with close tolerances, so that the smaller diameter ring (18) The outer periphery of the engine (20, 21) engages at least a portion of the inner periphery of the larger diameter ring (19) to provide precise coaxial alignment of the power output shaft of the engine (20, 21) with the power input shaft of the accessory. The invention also includes a dog clutch coupler having one dog clutch half (5) biased by a spring (4) such that if the dog clutch teeth initially snap into each other rather than engage, the dog clutch halves (5) Retract to allow engagement, then advance.

Description

technical field [0001] The present invention relates to a power take-off coupling for use with portable power units, typically for field use, such as new construction, refurbishment and the like. Background technique [0002] A range of field equipment attachments—such as water pumps, air compressors, generators, power washers, vibrating stirrers, chippers, pulverizers, vacuum units, plate compactors, etc.—require a power transmission that The device is conventionally powered by a portable power unit in the form of a single cylinder multipurpose engine. The current process requires leasing or purchasing various facility or equipment attachments, each of which is provided with its own multi-function motor, which is usually the most expensive component of the attachment. Accordingly, purchasing, safely storing and maintaining large quantities of these accessories can place a financial, logistical and time burden on their owners. [0003] Typically, the average builder may pu...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F02B63/00F16D11/14
CPCF16D11/14F02B63/04F02B67/04A01B71/06F16D11/08
Inventor S·R·里斯J·R·瓦德
Owner EVOLUTION POWER TOOLS
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