Patent US3753839A successfully refreshed from Google Patents.
US3753839A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Carton taping tool
Assignee: Individual
•
Filing: 1970-09-28
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Granted: 1973-08-21
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Expires: 1990-09-28
Abstract
Abstract A light weight manual type carton-taping tool with a pressuresensitive tape supply roll-receiving drum at one end; a middle region piston grip; and, at the other end, a tape application guide and pressing roller and a small rotatable tape control roller between which the tape is led, the control roller mounted swingably to and from the pressing roller and provided with an over-running type clutch allowing forward tape feed and preventing tape retraction. A tape cutter blade is clamped roughly diametrically opposite the control roller by a leaf spring type resilient tape-end-wiping finger.
Inventors
- 👤 R Funke
- 👤 F Faust
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 18:43
CPC Classifications
B; B65; B65H; B65H35/00; B65H35/0006; B65H35/002; B65H35/0026; B65H35/0033; Y; Y10; Y10T; Y10T156/00; Y10T156/12; Y10T156/1348; Y10T156/1365; Y10T156/17; Y10T156/1702; Y10T156/1712; Y10T156/1715; Y10T156/1717; Y10T156/1788; Y10T156/1795; Y10T156/18
Claims Analysis
Total Claims: 36
Claim 1
Independent Claim
167 words
A taping tool for applying pressure sensitive tape to cartons and the like comprising: a frame, a hand grip on the frame, a tape supply roll receiving and mounting drum rotatably mounted on the frame, a tape application means comprising an application roller mounted on the frame at a working end of the tool for guiding the tape on forward feeding and pressing it onto the area of desired application, tape control means mounted on the frame adjacent and cooperating with the application roller for the tape to pass between the first and second said means on forward feed, at least one of the first and second said means supported on the frame by means permitting forward feeding of the tape between the first and second said means as it is unwound from the supply roll and preventing reverse movement of said one means with the tape, thereby braking the tape between the first and second said means, on incipient backward tape retraction toward the supply roll.
Claim 2
Dependent Claim
167 words
A taping tool for applying pressure sensitive tape to cartons and the like comprising: a frame, a hand grip on the frame, a tape supply roll receiving and mounting drum rotatably mounted on the frame, a tape application means comprising an application roller mounted on the frame at a working end of the tool for guiding the tape on forward feeding and pressing it onto the area of desired application, tape control means mounted on the frame adjacent and cooperating with the application roller for the tape to pass between the first and second said means on forward feed, at least one of the first and second said means supported on the frame by means permitting forward feeding of the tape between the first and second said means as it is unwound from the supply roll and preventing reverse movement of said one means with the tape, thereby braking the tape between the first and second said means, on incipient backward tape retraction toward the supply roll.
Claim 3
Dependent Claim
145 words
A taping tool as described in claim 1, wherein said frame includes metal side plates providing a bifurcation in which said drum is received; said drum having mounting shaft means with opposite shaft end portions each rotatably journalled in an aperture of a respective side plate; said mounting shaft means comprising: two aligned tubular elements fitted endwise one into the other to form a shaft casing press fitted into a coaxial bore of said drum; two axially shiftable shaft elements providing said shaft end portions normally projecting outwardly from respective ends of said casing for bearing support by respective plate apertures; and a compression spring in said casing interposed between the inner ends of said shaft elements to bias the latter normally outwardly from the casing; said shaft elements and casing having cooperatIvely engaging portions forming stop means retaining said shaft elements in the casing.
Claim 4
Dependent Claim
145 words
A taping tool as described in claim 1, wherein said frame includes metal side plates providing a bifurcation in which said drum is received; said drum having mounting shaft means with opposite shaft end portions each rotatably journalled in an aperture of a respective side plate; the shaft journalling apertures of the side plates have a slight running clearance with the respective said shaft end portions; said shaft end portions terminating in pilot portions of reduced diameter; said side plates having parallel slots respectively leading from a side plate edge into said shaft journalling aperture, the slot widths corresponding to the diameters of said pilot portions, whereby with said shaft elements displaced axially into said casing by manual axial pressure on said pilot portions, the tape roll supporting drum may be removed from or placed in said frame by said pilot portions traversing said slots.
Claim 5
Dependent Claim
84 words
A taping tool as described in claim 1, wherein, said frame is comprised of two right and left handedly similar side plates including coplanarly opposed respective grip-attaching flanges; said hand grip having a generally flat secured end, a securing stud projecting from said end between the said flanges, and a nut threaded onto the projecting stud end to clamp the flanges against said flat end, said flanges and end having cooperating lug and notch means whereby the grip is interengaged with said side plates.
Claim 6
Dependent Claim
47 words
A taping tool as described in claim 4 with said lug and notch means provided by: on said end of said grip, a plurality of endwise projecting lugs disposed symmetrically about said stud; and in said flanges a correspondingly arranged plurality of apertures to receive said lugs.
Claim 7
Dependent Claim
43 words
A taping tool as described in claim 4, wherein, said hand grip is molded with a pistol grip type shape, and has a thumb locating and supporting elevated formation curving forwardly and upwardly to terminate short of the front side of the grip.
Claim 8
Dependent Claim
52 words
A taping tool as described in claim 1, including: a tape severence blade on the tool working end adjacent the application roller and spaced from the supply roll drum; and a resilient tape wiping finger, said finger including a portion fixed to the frame and clamping said severance blade on the frame.
Claim 9
Dependent Claim
81 words
A taping tool as described in claim 1, wherein, said drum comprises as an integral structure, a hub tube, a hub-supported disk, a roll-receiving sleeve projecting axially from said disk, and axially extending webs projecting from said tube toward said sleeve; said sleeve equally divided into sections, corresponding to and centered over respective webs, by slots extending from one end over the major sleeve length toward said disk, said webs having an increasing radial gap with respect to said sleeve interior.
Claim 10
Dependent Claim
24 words
A taping tool as described in claim 8, wherein the webs are joined to said disk, and said gap increases away from said disk.
Claim 11
Dependent Claim
33 words
A taping tool as described in claim 8, wherein, the sleeve of said drum is provided at its end distal from said disk with external circumferential flange means affording a tape spool stop.
Claim 12
Dependent Claim
25 words
A taping tool as described in claim 10, wherein, the said sleeve has a tapered exterior surface enlarging from the disk toward the free end.
Claim 13
Dependent Claim
68 words
A taping tool as described in claim 8, wherein, the said sleeve is divided into a plurality of at least three said sections and the external surface of said sleeve is provided with a plurality of at least three axially extending ribs, each said section having at least a respective said rib; each said rib longitudinally wedge shaped to increase in height from the tape spool insertion end.
Claim 14
Dependent Claim
21 words
A taping tool as described in claim 12, wherein, said ribs have a triangular cross section with apex disposed radially outwardly.
Claim 15
Dependent Claim
28 words
A Taping tool as described in claim 12, wherein, said ribs in advancing from the disk end of the sleeve toward the free end, increase in cross section.
Claim 16
Dependent Claim
21 words
A taping tool as described in claim 12, wherein, said ribs are each disposed in the plane of a respective web.
Claim 17
Dependent Claim
55 words
A taping tool as described in claim 1, wherein, said drum comprises as an integral structure, a hub tube, a hub-supported disk and a roll-receiving sleeve projecting axially from said disk, said sleeve being provided with an external circumferential flange affording a tape spool stop and representing in effect a radial extension of said disk.
Claim 18
Dependent Claim
49 words
A taping tool as described in claim 16, wherein, the external surface of said sleeve is cylindrical and is provided with a plurality of at least three axially extending ribs, each said rib longitudinally wedge shaped to increase in height from the tape spool insertion end toward said flange.
Claim 19
Dependent Claim
39 words
A taping tool as described in claim 17, wherein, said ribs have a triangular cross section with apex disposed radially outwardly, and in advancing from the free end of the sleeve toward the disk end, increase in cross section.
Claim 20
Dependent Claim
80 words
A taping tool as described in claim 1, wherein, said frame includes metal side plates providing a bifurcation in which said drum is received; said drum having mounting shaft means with opposite shaft end portions each rotatably journalled in an aperture of a respective side plate; said end portions comprising a synthetic plastic adapted upon initial wear to coat the shaft journalling surface of said apertures, thereby to provide a thereafter substantially non-wearing shaft support in said metal side plates.
Claim 21
Dependent Claim
19 words
A taping tool as described in claim 19, wherein, said synthetic plastic is selected from polyamide and polyacetal resins.
Claim 22
Dependent Claim
89 words
A taping tool as described in claim 1, wherein said tape control means comprises a tape control roller rotatably mounted adjacent the application roller for the tape to pass between said rollers on forward feed; the third said means being means supporting one roller of said rollers on the frame and permitting forward feeding of the tape between said rollers as it is unwound from the supply roll and preventing reverse rotation of said one roller, thereby braking the tape, on incipient backward tape retraction toward the supply roll.
Claim 23
Dependent Claim
105 words
A tool as described in claim 21 wherein the said one roller of said rollers comprises, a roller sleeve rotatably relative to a non-rotatably fixed shaft supported by the frame; said shaft being provided with at least one longitudinally extending groove providing a sloping cam surface, the slope of said camming surface oriented so that the groove depth increases in the direction in which said sleeve rotates upon forward feed of the tape; and an elongated clutching element of circular cross section, cooperatively disposed in said groove as a clutching element between said sloping camming surface and the internal cylindrical surface of the roller sleeve.
Claim 24
Dependent Claim
67 words
A tool as described in claim 22, wherein said fixed shaft is provided with a second said groove diametrically opposed parallel to the first said groove; each groove having a respective said clutching element; each said clutching element comprising an elongated wire-like element extending over substantially the length of the respective groove, and longitudinally bowed with convexity symmetrically directed upwardly on the slope of the respective groove.
Claim 25
Dependent Claim
50 words
A tool as described in claim 21 with the third said means provided only for the tape control roller; said tape control roller being supported on the frame by link means pivoting about an axis located intermediate the axes of the said rollers but lying forward of the plane thereof.
Claim 26
Dependent Claim
70 words
A tool as described in claim 24, wherein said control roller is mounted between outboard enDs of pivot links with inner ends disposed between the respective ends of the application roller and adjacent frame side walls and mounted to the side walls by respective pivot pins, the inner link ends having elongated closed end slots for an application roller supporting shaft extending therethrough into supporting engagement with the side walls.
Claim 27
Dependent Claim
24 words
A taping tool as described in claim 21, wherein the third said means includes an over-running clutch type back-brake supporting said tape application roller.
Claim 28
Dependent Claim
35 words
A taping tool as described in claim 26, wherein the third said means includes an over-running clutch type tape back-brake supporting said tape control roller, and said application and control rollers have a fixed spacing.
Claim 29
Dependent Claim
145 words
A tool for closing cartons or the like by applying an adhesive tape, comprising a frame having a hand grip, a drum rotatably supported by the frame for reception of a replaceable adhesive tape supply roll, an application roller supported rotatably in the frame for guiding and pressing adhesive tape, feeding from said roll, onto a carton to be closed; a tape clamping element supported on the frame swingably parallel to the application roller and engageable on the application roller, the axis of swing of said element located eccentric of the rotational axis of the application roller; the adhesive tape during feeding withdrawal from the adhesive tape roll being guided freely between the application roller and the said clamping element, said clamping element cooperating with the application roller upon backward movement of the adhesive tape automatically to clamp the tape immovably against the application roller.
Claim 30
Dependent Claim
145 words
A tool for closing cartons or the like by applying an adhesive tape, comprising a frame having a hand grip, a drum rotatably supported by the frame for reception of a replaceable adhesive tape supply roll, an application roller supported rotatably in the frame for guiding and pressing adhesive tape, feeding from said roll, onto a carton to be closed; a tape clamping element supported on the frame swingably parallel to the application roller and engageable on the application roller, the axis of swing of said element located eccentric of the rotational axis of the application roller; the adhesive tape during feeding withdrawal from the adhesive tape roll being guided freely between the application roller and the said clamping element, said clamping element cooperating with the application roller upon backward movement of the adhesive tape automatically to clamp the tape immovably against the application roller.
Claim 31
Dependent Claim
83 words
A tool as described in claim 28, wherein on the inner side of each of the two opposed frame side walls, a respective link segment is supported at the swing axis of said clamping element by a respective pivot pin, each said link segment upon one end supporting a respective end of said clamping element, and in its other end having an elongated slot through which a respective end of a shaft of the application roller passes into an engagement with the frame.
Claim 32
Dependent Claim
40 words
A tool as described in claim 28, wherein said application roller is provided with an over-running clutch whereby the application roller is rotatable upon withdrawal of the adhesive band and is blocked from rotation upon retraction movement of the tape.
Claim 33
Dependent Claim
38 words
A tool as described in claim 28 wherein said clamping element is a rotationally supported stop roller rotatably upon feed-out withdrawal of the adhesive tape from the supply roll and blocked from rotation upon retraction of the tape.
Claim 34
Dependent Claim
135 words
A tool in accordance with claim 31, wherein said stop roller is hollow and includes an internal over-running stop clutch structure and is supported on a non-rotable shaft, said clutch structure comprising on the external circumference of said non-rotatable shaft at least one axially extending groove with a sloping gripping surface, a clutch inner stop element disposed in said groove, said stop element upon rotation of the stop roller in the direction of feed out advance of the adhesive tape being received deeper into the groove to enable rotation of the stop roller, said stop element upon an incipient rotation of the stop roller in the opposite direction being securely engageable between the stationary shaft and the inner surface of the hollow stop roller to prevent stop roller rotation and prevent retraction of the tape.
Claim 35
Dependent Claim
30 words
A tool as described in claim 32, wherein said clutch structure comprises, in opposed relation on the shaft, two said grooves each with a respective said inner stop element therein.
Claim 36
Dependent Claim
26 words
A tool as described in claim 32, wherein said inner stop element is comprised of a wire piece extending over substantially the length of the groove.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1976-08-20 | 1977-02-19 | 1977-08-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-08-20 | 1981-02-19 | 1981-08-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-08-20 | 1985-02-19 | 1985-08-21 | $7700.00 | Window Closed / Lapsed |