← Back to Patent Explorer
US3850381A Expired / Lapsed US ⏱️ 0.0 years remaining

Device for rolling sections of carpet

Assignee: Individual
•
Filing: 1972-04-18
•
Granted: 1974-11-26
•
Expires: 1992-04-18
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

Abstract A device for rolling a section of carpet having a face for walking upon and a back in which such section depending upon the desire of the user of the device may be rolled with either its face or back out.

Inventors

  • 👤 A Moore

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-02 07:39
CPC Classifications
B; B65; B65H; B65H19/00; B65H19/22; B65H19/2276; Y; Y10; Y10S; Y10S242/00; Y10S242/03

Claims Analysis

Total Claims: 12
Claim 1
Independent Claim 597 words
A device for rolling a section of carpet having a face for walking upon and a back, comprising roller means engageable with the leading edge of said carpet section for forming said edge into a roll, means causing rotation of said roller means in one set of directions for rolling said carpet section with its back out and in an opposite set of directions for rolling said carpet section with its face out, and guide means associated with said roller means for assisting in said rolling of the carpet section, said guide means being shiftable between operative and inoperative positions depending upon whether said carpet section is to be rolled with its back or face out, said rolling device having feed and discharge ends, said roller means including an upper roller and two lower rollers, conveyor means for directing the advancement of said carpet section into said feed end and between said upper and lower rollers, said roller rotating means causing said lower rollers to rotate in the direction of advancement of said carpet section and causing said upper roller to rotate in a direction opposite to said advancement of said carpet section for rolling the section with its back out, said roller rotating means causing said lower rollers to rotate in a direction opposite to said advacement of said carpet section and causing said upper roller to rotate in the direction of said advancement of said carpet section for rolling the section with its face out, said guide means including finger means, one of said lower rollers being located nearer said feed end than the other of said lower rollers, each lower and upper rollers having a peripheral edge adapted to contact said carpet section and urge said section into a roll, said finger means being associated with each of said one lower roller and upper roller and being shiftable between an operative position in which said finger means projects beyond the periphery of its associated roller to direct said carpet section away from such associated roller upon entry of the carpet section between said upper and lower rollers and an inoperative position in which said finger means is located within the periphery of its associated roller to permit contact of the carpet section with such associated roller, means for shifting each finger means between its said operative and inoperative positions, the finger means associated with said upper roller being located in its said operative position and the finger means associAted with said one lower roller being located in its said inoperative position when said carpet section is to be rolled with its back out, and said finger means associated with said upper roller being located in its said inoperative position and said finger means associated with said one lower roller being located in its said operative position when said carpet section is to be rolled with its face out, and wherein said conveyor means is adapted to contact the back of said carpet section and to feed said section between said upper and lower rollers at a constant feed rate whether rolling said carpet section with its face in or face out, said upper and lower rollers adapted to contact the back of said carpet section in rolling the section with its back out and to contact the face of said section in rolling the section with its face out, said roller rotating means including means for increasing the rotational speed of said upper and lower rollers relative to the speed of said conveyor means when said carpet section is rolled with its face out.
Claim 2
Independent Claim 597 words
A device for rolling a section of carpet having a face for walking upon and a back, comprising roller means engageable with the leading edge of said carpet section for forming said edge into a roll, means causing rotation of said roller means in one set of directions for rolling said carpet section with its back out and in an opposite set of directions for rolling said carpet section with its face out, and guide means associated with said roller means for assisting in said rolling of the carpet section, said guide means being shiftable between operative and inoperative positions depending upon whether said carpet section is to be rolled with its back or face out, said rolling device having feed and discharge ends, said roller means including an upper roller and two lower rollers, conveyor means for directing the advancement of said carpet section into said feed end and between said upper and lower rollers, said roller rotating means causing said lower rollers to rotate in the direction of advancement of said carpet section and causing said upper roller to rotate in a direction opposite to said advancement of said carpet section for rolling the section with its back out, said roller rotating means causing said lower rollers to rotate in a direction opposite to said advacement of said carpet section and causing said upper roller to rotate in the direction of said advancement of said carpet section for rolling the section with its face out, said guide means including finger means, one of said lower rollers being located nearer said feed end than the other of said lower rollers, each lower and upper rollers having a peripheral edge adapted to contact said carpet section and urge said section into a roll, said finger means being associated with each of said one lower roller and upper roller and being shiftable between an operative position in which said finger means projects beyond the periphery of its associated roller to direct said carpet section away from such associated roller upon entry of the carpet section between said upper and lower rollers and an inoperative position in which said finger means is located within the periphery of its associated roller to permit contact of the carpet section with such associated roller, means for shifting each finger means between its said operative and inoperative positions, the finger means associated with said upper roller being located in its said operative position and the finger means associAted with said one lower roller being located in its said inoperative position when said carpet section is to be rolled with its back out, and said finger means associated with said upper roller being located in its said inoperative position and said finger means associated with said one lower roller being located in its said operative position when said carpet section is to be rolled with its face out, and wherein said conveyor means is adapted to contact the back of said carpet section and to feed said section between said upper and lower rollers at a constant feed rate whether rolling said carpet section with its face in or face out, said upper and lower rollers adapted to contact the back of said carpet section in rolling the section with its back out and to contact the face of said section in rolling the section with its face out, said roller rotating means including means for increasing the rotational speed of said upper and lower rollers relative to the speed of said conveyor means when said carpet section is rolled with its face out.
Claim 3
Independent Claim 606 words
A device for rolling a section of carpet having a face for walking upon and a back, comprising roller means engageable with the leading edge of said carpet section for forming said edge into a roll, means causing rotation of said roller means in one set of directions for rolling said carpet section with its back out and in an opposite set of directions for rolling said carpet section with its face out, and guide means associated with said roller means for assisting in said rolling of the carpet section, said guide means being shiftable between operative and inoperative positions depending upon whether said carpet section is to be rolled with its back or face out, said rolling device having feed and discharge ends, said roller means including an upper roller and two lower rollers, conveyor means for directing the advancement of said carpet section into said feed end and between said upper and lower rollers, said roller rotating means causing said lower rollers to rotate in the direction of advancement of said carpet section and causing said upper roller to rotate in a direction opposite to said advancement of said carpet section for rolling the section with its back out, said roller rotating means causing said lower rollers to rotate in a direction opposite to said advancement of said carpet section and causing said upper roller to rotate in the direction of said advancement of said carpet section for rolling the section with its face out, said guide means including finger means, one of said lower rollers being located nearer said feed end than the other of said lower rollers, each lower and upper rollers having a peripheral edge adapted to contact said carpet section and urge said section into a roll, said finger means being associated with each of said one lower roller and upper roller and being shiftable between an operative position in which said finger means projects beyond the periphery of its associated roller to direct said carpet section away from such associated roller upon entry of the carpet section between said upper and lower rollers and an inoperative position in which said finger means is located within the periphery of its associated roller to permit contact of the carpet section with such associated roller, means for shifting each finger means between its said operative and inoperative positions, the finger means associated with said upper roller being located in its operative position and the finger means associated with said one lower roller being located in its said inoperative position when said carpet section is to be rolled with its back out, and said finger means associated with said upper roller being located in its said inoperative position and said finger means associated with said one lower roller being located in its said operative position when said carpet section is to be rolled with its face out, and wherein said conveyor means is adapted to contact the back of said carpet section and to feed said caRpet section between said upper and lower rollers at a constant feed rate whether rolling said carpet section with its face in or face out, said upper and lower rollers adapted to contact the back of said carpet section when rolling the section with its back out and to contact the face of said section when rolling the section with its face out, said roller rotating means including means for increasing the rotational speed of said upper and lower rollers relative to the speed of said conveyor means in proportion to the carpet pile or nap thickness when said carpet section is rolled with its face out.
Claim 4
Independent Claim 606 words
A device for rolling a section of carpet having a face for walking upon and a back, comprising roller means engageable with the leading edge of said carpet section for forming said edge into a roll, means causing rotation of said roller means in one set of directions for rolling said carpet section with its back out and in an opposite set of directions for rolling said carpet section with its face out, and guide means associated with said roller means for assisting in said rolling of the carpet section, said guide means being shiftable between operative and inoperative positions depending upon whether said carpet section is to be rolled with its back or face out, said rolling device having feed and discharge ends, said roller means including an upper roller and two lower rollers, conveyor means for directing the advancement of said carpet section into said feed end and between said upper and lower rollers, said roller rotating means causing said lower rollers to rotate in the direction of advancement of said carpet section and causing said upper roller to rotate in a direction opposite to said advancement of said carpet section for rolling the section with its back out, said roller rotating means causing said lower rollers to rotate in a direction opposite to said advancement of said carpet section and causing said upper roller to rotate in the direction of said advancement of said carpet section for rolling the section with its face out, said guide means including finger means, one of said lower rollers being located nearer said feed end than the other of said lower rollers, each lower and upper rollers having a peripheral edge adapted to contact said carpet section and urge said section into a roll, said finger means being associated with each of said one lower roller and upper roller and being shiftable between an operative position in which said finger means projects beyond the periphery of its associated roller to direct said carpet section away from such associated roller upon entry of the carpet section between said upper and lower rollers and an inoperative position in which said finger means is located within the periphery of its associated roller to permit contact of the carpet section with such associated roller, means for shifting each finger means between its said operative and inoperative positions, the finger means associated with said upper roller being located in its operative position and the finger means associated with said one lower roller being located in its said inoperative position when said carpet section is to be rolled with its back out, and said finger means associated with said upper roller being located in its said inoperative position and said finger means associated with said one lower roller being located in its said operative position when said carpet section is to be rolled with its face out, and wherein said conveyor means is adapted to contact the back of said carpet section and to feed said caRpet section between said upper and lower rollers at a constant feed rate whether rolling said carpet section with its face in or face out, said upper and lower rollers adapted to contact the back of said carpet section when rolling the section with its back out and to contact the face of said section when rolling the section with its face out, said roller rotating means including means for increasing the rotational speed of said upper and lower rollers relative to the speed of said conveyor means in proportion to the carpet pile or nap thickness when said carpet section is rolled with its face out.
Claim 5
Dependent Claim 207 words
The rolling device of claim 1 wherein said means for shifting said finger means causes each finger means when in its operative position to be shifted into its inoperative position upon the formation of the roll of carpet section, guiding means for permitting upward shiftable movement of said upper roller upon the formation of said carpet roll, actuation of said means for shifting said finger means out of its said operative position upon formation of said carpet section roll being correlated with said upward shiftable movement of said upper roller, said means for shifting each finger means out of its said operative position including a shiftable camming means, the finger means associated with said upper roller carrying a cam follower means engaging said camming means, means for shifting said camming means relative to said cam follower means to locate said finger means associated with said upper roller in its said inoperative position when said carpet section is being rolled with its face out, said cam follower means being shiftable relative to and independently of said camming means upon upward shiftable movement of said upper roller to locate said last mentioned finger means in an inoperative position when said carpet section is being rolled with its face in.
Claim 6
Dependent Claim 43 words
The rolling device of claim 1 wherein each finger means when in its said operative position permits contact of said carpet section with its associated roller upon formation of the first turn of said carpet section between said upper roller and lower rollers.
Claim 7
Dependent Claim 36 words
The rolling device of claim 4 wherein said upper roller and lower rollers include longitudinally spaced tires, the peripheral edges of said tires adapted to contact said carpet section and urge said section into a roll.
Claim 8
Dependent Claim 15 words
The rolling device of claim 5 wherein said finger means are carried between said tires.
Claim 9
Dependent Claim 80 words
The rolling device of claim 1 and other roller means located at the feed end of said device and being shiftable from a position adjacently over said conveyor means toward said upper roller and into a position adjacent said upper roller to engage said carpet section as said section is fed between said upper and lower rollers for preventing the discharge of the carpet section from said feed end as the carpet section is being rolled with its face out.
Claim 10
Dependent Claim 30 words
The rolling device of claim 1 wherein said roller means includes another upper roller, one of said upper rollers being located nearer said feed end than the other upper roller.
Claim 11
Dependent Claim 23 words
The rolling device of claim 7 and drive means for rotating said other roller means in the direction of said carpet section advancement.
Claim 12
Dependent Claim 43 words
The rolling device of claim 2 wherein said roller rotating means includes a drive mechanism interconnected to said upper and lower rollers by clutch means permitting slippage between said rollers and drive mechanism and a resulting variation in rotational speed of said rollers.

References Cited (Backward Citations)

US2215174A Cited
US2573188A Cited
US2706094A Cited
US2849191A Cited
US2961182A Cited
US3250484A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1977-11-25 1978-05-27 1978-11-26 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1981-11-25 1982-05-27 1982-11-26 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1985-11-25 1986-05-27 1986-11-26 $7700.00 Window Closed / Lapsed

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag