Cam and clutch configuration for a power tool
A technology for power tools and clutches, which is used in portable mobile devices, nailing tools, manufacturing tools, etc., can solve the problems of user refilling of combustion chambers, large size and weight of nail guns, and expensive manufacturing.
Inactive Publication Date: 2006-03-22
BLACK & DECKER INC
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- Abstract
- Description
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- Application Information
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Problems solved by technology
However, some nail guns are quite large in size and / or weight, making them cumbersome to use
Others require very expensive fuel cartridges that cannot be refilled by the user, so that once the reserve of fuel cartridges is depleted, the user must leave the site to purchase additional cartridges
In addition to this, other cordless nail guns are complex to design and operate, expensive to manufacture, and do not operate in a durable manner that consistently and reliably secures fasteners to workpieces
Method used
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Embodiment Construction
[0094] Refer to the attached figure 1 , a fastening tool constructed in accordance with the teachings of the present invention is indicated generally by reference numeral 10 . Fastening tool 10 may include housing assembly 12 , main frame 14 , main frame cover 16 , drive motor assembly 18 , control unit 20 , end piece assembly 22 , magazine assembly 24 , and battery assembly 26 . While fastening tool 10 is illustrated as being electrically powered by a suitable power source, such as battery pack 26, those of ordinary skill in the art will appreciate that the invention in its broader aspects may be constructed somewhat differently, and that various aspects of the invention may The aspect can also be applied to pneumatically driven fastening tools. Additionally, while some aspects of the invention are described herein in connection with a nail gun and illustrated in the accompanying drawings, those of ordinary skill in the art will appreciate that the invention in its broadest ...
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Abstract
The invention relates to a power tool which is provided with a flywheel, an actuating arm, a driver, a cam and a clutch, wherein, the actuating arm can be provided with a first arm, a second arm which can be pivotally arranged on the first arm, and a roller wheel which can be connected to the second arm; the driver can be arranged between the roller wheel and the flywheel; the cam can be moved along a preset direction so that the actuating arm can rotate around a pivot and drive the roller wheel toward the driver, thereby the driver can be jointed with the flywheel through friction; thus, the clutch can be contacted with the cam so as to respond to the counterforce applied on the actuating arm by the driver and prevent the cam from moving along the opposite direction of the preset direction.
Description
technical field [0001] The present invention relates generally to a drive tool, such as a nail gun, and more particularly, to a drive tool having a cam and clutch that cooperate to move and maintain an actuating arm into an actuated position. Background technique [0002] Fastening tools, such as power nail guns and fiber cutters, are quite common in the construction industry. However, due to the existence of the handpiece and the connection of the fastening tool with the pneumatic source, the existing fastening tools are often difficult to meet the needs of users in terms of flexibility and freedom. [0003] Recently, several cordless nail guns have appeared on the market to meet the needs of the modern consumer. However, some nail guns are quite large in size and / or weight, making them cumbersome to use. Others require very expensive fuel cartridges which cannot be refilled by the user, so that once the reserve of fuel cartridges is depleted, the user must leave the job ...
Claims
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IPC IPC(8): B25F5/00B25C1/06B25C5/15B29C45/14B29C45/16H01H9/06H01H13/08H01H21/10
CPCB29C45/14311H01H13/08B29C2045/1665B25C1/06B25C5/15H01H9/06H01H21/10B29C45/14344
Inventor 詹姆斯·J·肯尼罗伯特·A·贝里克雷格·A·谢尔保罗·G·格罗斯
Owner BLACK & DECKER INC