Dust-removing structure of a nailer

• US 7,438,207 B2
• Filed: 06/09/2007
• Issued: 10/21/2008
• Est. Priority Date: 11/03/2006
• Status: Expired due to Fees

• Current Assignee: Basso Industry Corp. Ltd.
• Original Assignee: Basso Industry Corp. Ltd.
• Inventors: Wu, Jian Rung, Tsang, Min Hsu
• Primary Examiner(s): Nash; Brian D
• Application Number:
  US11/760,753
• Publication Number:
  US 20080105729A1
• Time in Patent Office: 500 Days
• Field of Search: 227/130, 227/156, 227/112
• US Class Current: 227/130
• CPC Class Codes: B25C 1/047 Mechanical details

Abstract

The present invention provides a dust-removing structure for the nailer. The dust-removing structure, located at a preset position of the nailer, includes a release valve lever with a control unit for drive. The control unit is a lever-type control unit, having a pivot point, a drive portion and a laterally extended control portion. The drive portion is coupled with the release valve lever, and the control portion swings around the pivot point. An actuating arm is implemented through the control portion and the swinging behavior, making it possible to more easily operate using a single-hand. When the dust-removing structure is assembled at different heights with different shapes of nailers, the operator is only required to replace the lever-type control unit with different lengths to obtain the optimum pressing location.

Claims

1. A dust-removing apparatus comprising:

a nailer having a top cover, said nailer having a compressed air chamber adjacent said top cover;

a jet hole positioned in said top cover, said jet hole having an inner end linked to said compressed air chamber;

a hold tank located in said top cover and coaxial to said jet hole, said hold tank having a through hole extending opposite to said jet hole, said hold tank having an assembly port at an end of said through hole opposite said jet hole;

a release valve lever having a braking end and a stress end, said release valve lever extending through said through hole such that said braking end is cooperative with said jet hole, said stress end passing through said assembly port, said release valve lever being axially slidable in said through hole;

a spacing member affixed within said assembly port, said release valve lever extending securely through said spacing member, said release valve lever having a bulge ring extending circumferentially therearound, said spacing member formed by a positioning cylinder, said positioning cylinder having a stop flange formed interiorly thereof;

a lever assembly positioned externally of said assembly port, said lever assembly being a plate member having a pivot point and a drive portion and a laterally extended control portion, said drive portion being coupled to said stress end of said release valve lever, said control portion pivotally movable about said pivot point between a first position and a second position, said first position extending angularly outwardly of said top cover such that said bulge ring abuts a wall of said hold tank and said braking end of said release valve lever closes said jet hole, said second position being adjacent said top cover such that said bulge ring moves toward said stop flange of said positioning cylinder and such that said braking end of said release valve lever is away from said jet hole, said drive portion and said control portion of said lever assembly extending at an obtuse angle with respect to each other; and

an elastic reset member received in said hold tank so as to urge said bulge ring against said wall of said hold tank.

2. The dust-removing apparatus of claim 1, said positioning cylinder being hollow and having a through hole through which said release valve lever extends, said positioning cylinder having a threaded portion engaged with said assembly port.

3. The dust-removing apparatus of claim 1, said pivot point of said lever assembly located centrally thereof and fastened at a fixed point, such drive portion having a curved shape and a hole, said hole of said drive portion receiving a stress end of said release valve lever therein, said stress end having a portion extending radially therethrough.

4. The dust-removing apparatus of claim 1, said pivot point of said lever assembly attached to a fixed point on said top cover.

5. The dust-removing apparatus of claim 1, said control portion of said lever assembly having a guide rod, said guide rod having a protruding end extending toward said top cover, said guide rod having a guide groove located opposite to said top cover for receiving said protruding end of said guide rod.