US3648914A - Fastener positioning device - Google Patents
Fastener positioning device Download PDFInfo
- Publication number
- US3648914A US3648914A US83290A US3648914DA US3648914A US 3648914 A US3648914 A US 3648914A US 83290 A US83290 A US 83290A US 3648914D A US3648914D A US 3648914DA US 3648914 A US3648914 A US 3648914A
- Authority
- US
- United States
- Prior art keywords
- fasteners
- strip
- arm portion
- fastener
- passageway
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27F—DOVETAILED WORK; TENONS; SLOTTING MACHINES FOR WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES
- B27F7/00—Nailing or stapling; Nailed or stapled work
- B27F7/17—Stapling machines
- B27F7/38—Staple feeding devices
Definitions
- ABSTRACT A device is provided to facilitate inserting the leading end of a flexible strip of collated fasteners into a narrow passageway, the latter forming a part of the feed mechanism for a high speed power actuated fastener-driving tool.
- One end of the device is adapted to extend into the passageway and to be positioned between adjacent fasteners at the leading end of the strip and to be substantially parallel to shanks of said fasteners. The one end of the device engages the shank of the leading fastener and moves same in a sidewise direction through the passageway.
- a device to facilitate the loading or reloading of a fastener-driving tool with a continuous flexible strip of collated fasteners.
- the device includes a handle, an elongated first arm portion projecting from the handle, and an elongated second arm portion projecting angularly from the distal end of the first arm portion.
- the two arm portions define an obtuse angle.
- the end of the second arm portion is adapted to be inserted into a narrow passageway through which the fasteners of the strip are caused to pass while being intermittently fed into the firing chamber of the driving too].
- the inserted end of the device is preferably disposed between the leading and second fasteners of the strip and is in substantially parallel relation with the shanks of said fasteners.
- the inserted second arm portion engages the shank of the leading fastener causing same to be moved sidewise through the passageway.
- FIG. 1 is a front elevational view ofone form ofthe device.
- FIG. 2 is a right side elevational view of FIG. 1.
- FIG. 3 is a fragmentary vertical sectional view of a fastenerdriving tool and showing the inserted second arm portion of the device in contact with the leading fastener of the flexible strip of collated fasteners; the leading fastener is shown in dotted lines when it is in position within the firing chamber.
- the fastener positioning device is shown in operative position with one form of driving tool 11 and a flexible strip S of collated fasteners 12 being fed into the tool.
- the tool 11 includes a firing chamber 13 formed in the nose portion 14 of the tool.
- the chamber 13 in the illustrated embodiment, comprises an elongated cylinder 15 having an inlet port 15a formed therein and through which the leading fastener of the strip S passes when the firing chamber 13 is being charged.
- Slidably mounted within the cylinder interior is the driving plunger 16 which is either pneumatically, hydraulically, or electrically actuated to move the fastener disposed within the chamber downwardly and out through the lower open end of the cylinder and into the work piece, not shown.
- the feed mechanism 17 which automatically feeds the leading fastener of the strip into the firing chamber 13 in timed sequence with movement of the plunger 16.
- the fastener when in firing position, is shown in dotted lines in FIG. 3.
- the firing of the tool is controlled by a finger-actuated trigger or button, not shown.
- the mechanism for firing the plunger and returning same to its cocked or ready position, as seen in FIG. 3, is well known in the power tool art and, therefore, is not shown or described.
- the feed mechanism 17 includes a pair of guide walls 18 and 20 which are normally disposed in spaced substantially parallel relation soas to form a narrow elongated passageway P through which the individual fasteners of the strip are caused to pass as they intermittently move towards the firing chamber.
- the lower edge of the passageway is open.
- One, or both, of the guide walls are provided with a ledge L over which the enlarged head 12a of the fastener passes while the latter moves through the passageway.
- Guide wall 18 is normally provided with an opening, not shown, through which a fastenerfeed pawl, not shown, extends and engages the leading and/or second fasteners of the strip and automatically moves the strip forwardly so that the leading fastener will be fed into the firing chamber 13 at the appropriate time.
- the configuration and operation of such a pawl is well known in this art.
- the leading fastener of the strip S be manually moved through the passageway a sufficient amount so that it is in contact with the fastener-feed pawl. It has been found, where the tool is permanently secured to a stationary support or frame, the accessibility of the passageway for loading or reloading is oftentimes obstructed, thereby requiring the exercise of a high degree of dexterity or substantial disassembly of the tool. Furthermore, because of the flexibility and the weight of the strip, particularly where it is of substantial length, handling of the strip during such loading or reloading operation oftentimes is an awkward manipulation. Thus, the device 10 is intended to facilitate such an operation.
- the device 10 accomplishes the proper orientation of the fasteners in a manner to be hereinafter described.
- Device 10 comprises an elongated handle 21 and an elongated thin, inflexible first arm portion 22 extending longitudinally therefrom. Extending angularly from the outer end of arm portion 22 is arr-elongated, thin, inflexible second arm portion 23. Arm portions 22 and 23 may be of unitary construction and define an obtuse angle A. The size of the angle may vary depending upon the orientation of the fasteners to be engaged.
- the fasteners 12 are interconnected by a pair of narrow webs or strands W and W which are preferably formed of thin plastic material which is sufficiently flexible to permit the fasteners to move in a curvilinear path if required.
- the fasteners in strip S have the shanks 12b thereof disposed perpendicularly with respect to the direction of the webs which interconnect the shanks of adjacent fasteners.
- the webs are rupturable thereby enabling the leading fasteners to be readily severed from the webs when the tool is fired. When the strip is extended and in a taut condition, the webs will maintain the fasteners in proper spaced relation.
- the fasteners of the strip are arranged in stepped relation whereby the shanks of the fasteners are not disposed at right angles to the connecting webs. In the latter situation, the included angle A between the arm portions of the device 10 might be greater than shown.
- the arm portion 23 of the device is inserted upwardly through the passageway so that it is disposed either between the leading and second fasteners of the strip or between the second and third fasteners.
- the length of arm portion 23 should approximate the extent to which the shanks extend downwardly from the lower web W
- the arm portion 23 should be narrow enough so that it will conveniently fit within the space between the adjacent fasteners.
- the end 23a of the arm portion may be rounded and the flat sides slightly tapered.
- the shape and size of the handle 21 and arm portions 22 and 23 may vary from that shown.
- the obtuse angle A permits the handle 21 to be spaced downwardly from the bottom of the passageway and thus facilitate manual gripping of the handle.
- the leading end of the strip is inserted a short distance into the infeed end of the passageway, not shown, and while held in such position, the device is inserted up from the bottom of the passageway and between adjacent fasteners and then the device is drawn longitudinally through the passageway the required amount.
- the leading end of the strip may be readily moved forwardly through the passageway leading to the firing chamber of the driving tool, without requiring any disassembly of the tool, or requiring the person loading or reloading the tool to be possessed of a high degree of dexteri ty.
- the device properly orients the fasteners thereof so that they are in proper position for entering the firing chamber of the driving tool.
Abstract
Description
Claims (5)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US8329070A | 1970-10-23 | 1970-10-23 |
Publications (1)
Publication Number | Publication Date |
---|---|
US3648914A true US3648914A (en) | 1972-03-14 |
Family
ID=22177383
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US83290A Expired - Lifetime US3648914A (en) | 1970-10-23 | 1970-10-23 | Fastener positioning device |
Country Status (1)
Country | Link |
---|---|
US (1) | US3648914A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3753316A (en) * | 1970-09-10 | 1973-08-21 | Alkan R & Cie | Door lock with automatic and emergency control system |
US3988296A (en) * | 1974-05-30 | 1976-10-26 | The Dow Chemical Company | Chlorinated olefin polymer compositions stabilized with antimony trioxide |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3353737A (en) * | 1965-12-27 | 1967-11-21 | Signode Corp | Nail feeding mechanism for pneumatically operable impact tools |
US3550831A (en) * | 1969-03-13 | 1970-12-29 | Fastener Corp | Mechanical fastener feeding assembly |
-
1970
- 1970-10-23 US US83290A patent/US3648914A/en not_active Expired - Lifetime
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3353737A (en) * | 1965-12-27 | 1967-11-21 | Signode Corp | Nail feeding mechanism for pneumatically operable impact tools |
US3550831A (en) * | 1969-03-13 | 1970-12-29 | Fastener Corp | Mechanical fastener feeding assembly |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3753316A (en) * | 1970-09-10 | 1973-08-21 | Alkan R & Cie | Door lock with automatic and emergency control system |
US3988296A (en) * | 1974-05-30 | 1976-10-26 | The Dow Chemical Company | Chlorinated olefin polymer compositions stabilized with antimony trioxide |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
AS | Assignment |
Owner name: BANKERS TRUST COMPANY, A NY BANKING CORPORATION Free format text: SECURITY INTEREST;ASSIGNOR:VENICULUM INCORPORATED;REEL/FRAME:004172/0159 Effective date: 19830819 |
|
AS | Assignment |
Owner name: VENICULUM INCORPORATED, 1100 HICKS ROAD, ROLLING M Free format text: ASSIGNMENT OF ASSIGNORS INTEREST.;ASSIGNOR:SWINGLINE INC.;REEL/FRAME:004196/0645 Effective date: 19830819 |
|
AS | Assignment |
Owner name: BANKERS TRUST COMPANY A NEW YORK BANKING CORP Free format text: SECURITY INTEREST;ASSIGNOR:VENICULUM INCORPORATED;REEL/FRAME:004404/0886 Effective date: 19830819 |
|
AS | Assignment |
Owner name: LASALLE NATIONAL BANK Free format text: SECURITY INTEREST;ASSIGNOR:VENICULUM INCORPORATED, A CORP OF DE.;REEL/FRAME:004923/0931 Effective date: 19880421 |
|
AS | Assignment |
Owner name: PEACE INDUSTRIES, LTD., 1100 HICKS RD., ROLLING ME Free format text: ASSIGNMENT OF ASSIGNORS INTEREST.;ASSIGNOR:LASALLE NATIONAL BANK;REEL/FRAME:005610/0202 Effective date: 19910114 Owner name: LASALLE NATIONAL BANK Free format text: SECURITY INTEREST;ASSIGNOR:PERCE INDUSTRIES LTD., A DE CORP.;REEL/FRAME:005604/0540 Effective date: 19910111 |