US3759435A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for dispensing fasteners
Assignee: Dennison Manufacturing Co
•
Filing: 1971-08-05
•
Granted: 1973-09-18
•
Expires: 1991-08-05
Abstract
Abstract Apparatus for dispensing fastener attachment members of the type having a filament with heads on both ends, the device including a casing, a needle projecting from the casing, the needle having a bore through which the fastener attachment member is adapted to be dispensed, a plunger or ejector adapted to force one head of the attachment member through the needle bore, the plunger advanced by the combination of a gear and sliding rack, the sliding rack in the form of a thin plate and in which the attachment members are fed before the needle and in front of the ejector by an indexing wheel advanced by a feed pawl with a slotted hole which allows it to rock in and out of engagement with the indexing wheel as it is moved back and forth.
Inventors
- 👤 Arnold Roberts Bone
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 18:28
CPC Classifications
A; A41; A41H; A41H37/00; A41H37/005; A41H37/008; B; B65; B65C; B65C7/00; B65C7/003; B65C7/005
Claims Analysis
Total Claims: 34
Claim 1
Independent Claim
216 words
In an apparatus for dispensinG fastener attachment members one at a time, said fastener attachments members being coupled to a carrier by a coupling member and which includes a body, a hollow needle having an elongated slot along one side supported by said body and extending therefrom, an ejector supported by the body for driving a head of the fastener attachment member through said needle with a filament of the fastener attachment member coupled to the head projecting through said slot, and an indexing wheel having a plurality of teeth for engaging the coupling members to feed one fastener member at a time into position to be fed through said needle, the improvement comprising an indexing pawl for engaging the teeth of the wheel, one at a time, to advance the wheel to position fastener attachment members into position to be fed through said needle, said pawl having a slotted pivot hole and a tip for engaging the teeth of the wheel, first means supported by the body and passing through the slotted pivot hole to permit the pawl to rock back and forth thereon, and drive means coupled to the pawl for rocking the pawl back and forth to cause said tip to engage said teeth one at a time to advance the indexing wheel.
Claim 2
Dependent Claim
216 words
In an apparatus for dispensinG fastener attachment members one at a time, said fastener attachments members being coupled to a carrier by a coupling member and which includes a body, a hollow needle having an elongated slot along one side supported by said body and extending therefrom, an ejector supported by the body for driving a head of the fastener attachment member through said needle with a filament of the fastener attachment member coupled to the head projecting through said slot, and an indexing wheel having a plurality of teeth for engaging the coupling members to feed one fastener member at a time into position to be fed through said needle, the improvement comprising an indexing pawl for engaging the teeth of the wheel, one at a time, to advance the wheel to position fastener attachment members into position to be fed through said needle, said pawl having a slotted pivot hole and a tip for engaging the teeth of the wheel, first means supported by the body and passing through the slotted pivot hole to permit the pawl to rock back and forth thereon, and drive means coupled to the pawl for rocking the pawl back and forth to cause said tip to engage said teeth one at a time to advance the indexing wheel.
Claim 3
Dependent Claim
25 words
In an apparatus according to claim 1 in which said first means comprises a shaft coupled to said indexing wheel which supports it for rotation.
Claim 4
Dependent Claim
49 words
In an apparatus according to claim 2 in which said pawl is provided with a bend so that a portion of the pawl lies next to the indexing wheel and another portion of the pawl extends above said indexing wheel in order to engage the teeth of said wheel.
Claim 5
Dependent Claim
30 words
In an apparatus according to claim 3 in which first resilient biasing means is provided to bias said pawl against a cover, said resilient biasing means supported by said body.
Claim 6
Dependent Claim
113 words
In an apparatus according to claim 1 in which a detent member is supported by said apparatus adjacent said teeth of said wheel, said detent member being positioned to ride over the side of said teeth and fit within the space between two teeth to prevent the wheel from rotating, and in which said detent member is resiliently biased so that the wheel may be rotated when sufficient force is applied thereto to cause the detent member to be forced out of the space between two teeth and ride over the side surface of one of the teeth and position itself in the next space between the teeth as the wheel is rotated.
Claim 7
Dependent Claim
25 words
In an apparatus according to claim 5 in which said first means comprises a shaft coupled to said indexing wheel which supports it for rotation.
Claim 8
Dependent Claim
49 words
In an apparatus according to claim 6 in which said pawl is provided with a bend so that a portion of the pawl lies next to the indexing wheel and another portion of the pawl extends above the indexing wheel in order to engage the teeth of said wheel.
Claim 9
Dependent Claim
113 words
In an apparatus according to claim 4 in which a detent member is supported by said apparatus adjacent said teeth of said wheel, said detent member being positioned to ride over the side of said teeth and fit within the space between two teeth to prevent the wheel from rotating, and in which said detent member is resiliently biased so that the wheel may be rotated when sufficient force is applied thereto to cause the detent member to be forced out of the space between the teeth and ride over the side surface of one of the teeth and position itself in the next space between the teeth as the wheel is rotated.
Claim 10
Dependent Claim
98 words
An indexing mechanism comprising a wheel adapted to rotate and having a plurality of teeth positioned about the circumference thereof, a pawl having a hook-like end for engaging the teeth of the wheel one at a time to rotate the wheel in one direction, the pawl having a slotted pivot hole, support means positioned in the pivot hole for supporting the pawl and at the same time permitting the pawl to rock back and forth thereon, and means coupled to the pawl to move the wheel increments as the pawl rocks back and forth on the support means.
Claim 11
Dependent Claim
98 words
An indexing mechanism comprising a wheel adapted to rotate and having a plurality of teeth positioned about the circumference thereof, a pawl having a hook-like end for engaging the teeth of the wheel one at a time to rotate the wheel in one direction, the pawl having a slotted pivot hole, support means positioned in the pivot hole for supporting the pawl and at the same time permitting the pawl to rock back and forth thereon, and means coupled to the pawl to move the wheel increments as the pawl rocks back and forth on the support means.
Claim 12
Dependent Claim
26 words
An indexing mechanism according to claim 9 in which the supPort means comprises a shaft coupled to the wheel, said shaft supporting said wheel for rotation.
Claim 13
Dependent Claim
36 words
An indexing mechanism according to claim 10 in which a detent is provided which is positionable in the space between two teeth to prevent rotation of the teeth, said detent being resiliently biased towards said teeth.
Claim 14
Dependent Claim
51 words
An indexing mechanism according to claim 11 in which the hook-like end of the pawl has a bend in order to position the hook-like end over the teeth, and in which resilient biasing means is provided to urge a portion of said pawl against a cover against which it frictionally engages.
Claim 15
Dependent Claim
177 words
In an apparatus for dispensing fastener attachment members one at a time, said fastener attachment members being coupled to a carrier by a coupling member, the apparatus including a body, a hollow needle having an elongated slot along one side supported by said body and extending therefrom, an ejector supported by the body for driving a head of the fastener attachment member through said needle with a filament of the fastener attachment member coupled to the head projecting through said slot, and indexing means for positioning one at a time fastener attachment members into position to be ejected through said needle, the improvement comprising a slide to which the ejector is coupled for movement therewith, the slide having a plurality of holes therethrough from the bottom surface to the top surface and, each hole constructed such that the walls of the slide surrounding the holes are adapted to receive gear teeth, and drive means for moving the slide back and forth, said drive means including gear means having gear teeth positionable in the holes of the slide.
Claim 16
Dependent Claim
177 words
In an apparatus for dispensing fastener attachment members one at a time, said fastener attachment members being coupled to a carrier by a coupling member, the apparatus including a body, a hollow needle having an elongated slot along one side supported by said body and extending therefrom, an ejector supported by the body for driving a head of the fastener attachment member through said needle with a filament of the fastener attachment member coupled to the head projecting through said slot, and indexing means for positioning one at a time fastener attachment members into position to be ejected through said needle, the improvement comprising a slide to which the ejector is coupled for movement therewith, the slide having a plurality of holes therethrough from the bottom surface to the top surface and, each hole constructed such that the walls of the slide surrounding the holes are adapted to receive gear teeth, and drive means for moving the slide back and forth, said drive means including gear means having gear teeth positionable in the holes of the slide.
Claim 17
Dependent Claim
77 words
In an apparatus according to claim 13 in which said drive means comprises a handle pivotly coupled to said body, and in which the gear means comprises gear segment means pivotly coupled to said body and to said handle and return means supported by said body and pivotly coupled to said gear segment means, and resilient biasing means supported by said body and coupled to said return means for urging said gear segment means in one direction.
Claim 18
Dependent Claim
44 words
In an apparatus according to claim 14 in which said gear segment means comprises two gear segments each having gear teeth and in which said slide includes two rows of holes, each row of holes constructed to receive the gear teeth of said segments.
Claim 19
Dependent Claim
46 words
In an apparatus according to claim 15 in which said ejector comprises an L shaped portion which extends through a hole in said slide from the bottom thereof and in which a portion thereof fits in a groove provided in the top surface of the slide.
Claim 20
Dependent Claim
69 words
In an apparatus according to claim 15 in which said indexing means includes a link in which said slide includes a projection for moving the link backward and forward in which said link includes a cutout having stops on either end thereof, and wherein the projection extends into the cutout and is adapted to move the link back and forth by engaging the stops to index the indexing mechanism.
Claim 21
Dependent Claim
27 words
In an apparatus according to claim 17 including means for rotating the link away from said slide to release the carrier for supporting the fastener attachment members.
Claim 22
Dependent Claim
20 words
In an apparatus according to claim 18 in which means is provided for resiliently urging said link in one direction.
Claim 23
Independent Claim
361 words
An apparatus for dispensing fastener attachment members one at a time, said fastener attachment members being coupled to a carrier by a coupling member, said apparatus comprising a body, a needle supported in the nose of the body, and extending therefrom, said needle having an elongated slot along one side thereof for the passage of one head of the fastener attachment members with a filament between the heads of the fastener attachment members projecting through said slot, guide means in the nose of the body for permitting fastener attachment members to be fed into the apparatus at the rear of the needle on the carrier therefore, a handle pivotly coupled to said body, gear means pivotly coupled to said body and to said handle and positioned on said body to be rotated by said handle as said handle is rotated towards said body, a slide positioned in said body and having means for engaging the gear means in order to be moved back and forth thereby, the rotation of the handle towards said body causing the handle to rotate the gear means to move the slide forward, return means for rotating said handle and said gear means to move the slide backward and the handle away from the body, an ejector supported by said slide and movable towards said needle to force a fastener attachment member head therethrough upon rotation of the handle towards said body, said ejector movable away from said needle upon rotation of said handle away from said body by said return means, a link slidably supported within said body, means coupled to said slide for moving said link backward and forward as a result of slide movement, said link pivotly coupled to a feed pawl, said feed pawl positioned to rotate an indexing gear supported for rotation by said body, said indexing gear having teeth and rotatable in one direction as a result of the back and forward movement of said link, said indexing gear teeth positioned to engage the coupling members connecting the fastener attachment members to the carrier to move the fastener attachment members into position to be dispensed through said needle by said ejector.
Claim 24
Independent Claim
361 words
An apparatus for dispensing fastener attachment members one at a time, said fastener attachment members being coupled to a carrier by a coupling member, said apparatus comprising a body, a needle supported in the nose of the body, and extending therefrom, said needle having an elongated slot along one side thereof for the passage of one head of the fastener attachment members with a filament between the heads of the fastener attachment members projecting through said slot, guide means in the nose of the body for permitting fastener attachment members to be fed into the apparatus at the rear of the needle on the carrier therefore, a handle pivotly coupled to said body, gear means pivotly coupled to said body and to said handle and positioned on said body to be rotated by said handle as said handle is rotated towards said body, a slide positioned in said body and having means for engaging the gear means in order to be moved back and forth thereby, the rotation of the handle towards said body causing the handle to rotate the gear means to move the slide forward, return means for rotating said handle and said gear means to move the slide backward and the handle away from the body, an ejector supported by said slide and movable towards said needle to force a fastener attachment member head therethrough upon rotation of the handle towards said body, said ejector movable away from said needle upon rotation of said handle away from said body by said return means, a link slidably supported within said body, means coupled to said slide for moving said link backward and forward as a result of slide movement, said link pivotly coupled to a feed pawl, said feed pawl positioned to rotate an indexing gear supported for rotation by said body, said indexing gear having teeth and rotatable in one direction as a result of the back and forward movement of said link, said indexing gear teeth positioned to engage the coupling members connecting the fastener attachment members to the carrier to move the fastener attachment members into position to be dispensed through said needle by said ejector.
Claim 25
Dependent Claim
64 words
An apparatus according to claim 20 in which said feed pawl comprises a hook-like end for engaging one tooth at a time of said indexing gear to rotate it, said pawl having a slotted pivot hole, and support means positioned within said slotted pivot hole, said pawl constructed to rock back and forth about said support means as the link moves back and forth.
Claim 26
Dependent Claim
24 words
An apparatus according to claim 21 in which said support means comprises a shaft coupled to the indexing gear and supported by the body.
Claim 27
Dependent Claim
48 words
An apparatus according to claim 22 in which said pawl has a bend therein such that a portion of the pawl is parallel to the indexing wheel and another portion of the pawl is positioned above and in a plane passing through the center of the indexing gear.
Claim 28
Dependent Claim
30 words
An apparatus according to claim 23 in which means is provided for resiliently biasing a portion of said pawl against a cover to provide friction for camming of the pawl.
Claim 29
Dependent Claim
87 words
An apparatus according to claim 24 in which a resilient biased detent is supported by said apparatus adjacent said teeth of said wheel, said detent member is positionable between two teeth of said indexing gear to retain it in place while at the same time permitting the indexing gear to be rotated when the pawl hook-like end engages the teeth of the gear or when the pawl hook-like end is moved away from the teeth and the carrier is pulled out of the nose of the apparatus.
Claim 30
Dependent Claim
41 words
An apparatus according to claim 25 in which release means is coupled to the link to rotate it to move the pawl hook-like end away fom the indexing gear teeth to permit said carrier to be pulled out of said nose.
Claim 31
Dependent Claim
29 words
An apparatus according to claim 20 in which said slide comprises a plurality of holes formed therethrough and positioned in a row to engage gear teeth of gear means.
Claim 32
Dependent Claim
43 words
An apparatus according to claim 27 in which said link has a cutout formed therein and stop means at either end of said cutout, and wherein said slide includes a projection to engage the stop means to move the link back and forth.
Claim 33
Dependent Claim
39 words
An apparatus according to claim 28 in which the needle has a cutting edge at the rear thereof and a second slot in the rear thereof for permitting the entry of the head end of the fastener attachment member.
Claim 34
Dependent Claim
39 words
An apparatus according to claim 20 in which the needle has a cutting edge at the rear thereof and a second slot in the rear thereof for permitting the entry of the head end of the fastener attachment member.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1976-09-17 | 1977-03-19 | 1977-09-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-09-17 | 1981-03-19 | 1981-09-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-09-17 | 1985-03-19 | 1985-09-18 | $7700.00 | Window Closed / Lapsed |