...that on Dec. 15, 1836, the Patent Office was completely destroyed by fire? Lost were some 7,000 models, 9,000 drawings, and 230 books plus all records of patent applications and grants.
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Number | Title | Issue Date |
| 4642980 | Tension device for use in two-for-one twister A tension device for use in a two-for-one twister, in which the yarn insertion is made by means of compressed air, comprises a tubular tenser body provided with a yarn passage, a tenser disposed in the tenser body and adapted to close the yarn passage at ... | 02/17/1987 |
| 4641688 | Weft thread braking mechanism having a stepwise controllable braking effect A weft thread brake for shuttleless weaving machines includes two leaf springs or lamellae which rest against each other in a spring elastic manner. The thread, such as a weft thread, passes through a passage formed between the two leaf springs as the thr... | 02/10/1987 |
| 4605182 | Yarn tension control device The present yarn tension control device is adaptable for regulating and adjusting the tension being applied to a running yarn being fed along a predetermined path of travel. The device includes first and second plate members having adjacent inner faces po... | 08/12/1986 |
| 4605181 | Strand tension controlling apparatus A mechanical device for controlling the tension in a traveling textile yarn includes a base, a flutter member pivotably mounted on the base and a cylindrical post eccentrically mounted rotatably on the base adjacent the post, the flutter member and post b... | 08/12/1986 |
| 4502646 | Twine tensioner for large round bale twine-wrapping mechanism An automatically controlled twine-wrapping mechanism for a large round baler includes a hydraulically driven twine arm for feeding twine across the width of a bale during the last part of its formation in a bale chamber. The twine passes between a planar ... | 03/05/1985 |
| 4468920 | Pneumatically threadable yarn brake and a two-for-one twisting spindle equipped therewith In a pneumatically threadable yarn brake, in which a substantially capsular brake cartridge (7) abuts against an upper (8) and lower (9) brake surface ring in a brake housing, the lower brake surface ring (9) is connected to an annular diaphragm (16) whic... | 09/04/1984 |
| 4467841 | Clamping jaw arrangement of a thread clamp for textile yarns or the like A thread clamp for textile yarns or the like comprises two clamping jaw supports which can be moved relatively towards and away from one another. Each of the clamping jaw supports carries a respective clamping jaw. The clamping jaw of one of the clamping ... | 08/28/1984 |
| 4457226 | Twine-wrapping mechanism for a large round baler An automatic twine-wrapping mechanism for a large round baler. The mechanism comprises a twine dispensing mechanism for dispensing twine into the bale-forming chamber of the baler, a reversible hydraulic drive means for cycling a twine arm of the dispensi... | 07/03/1984 |
| 4453480 | Thread tensioning module for a sewing machine A thread tensioning module for use on a sewing machine is provided with a plastic housing and with mechanism at the rear of the housing for receiving and applying frictional resistance to the movement of thread therethrough. The mechanism includes a pair ... | 06/12/1984 |
| 4429842 | Central connectible yarn brake mechanism Central connectible yarn brake mechanism for doffed threads from a creel, including a profiled metal bar having at least one groove formed therein, stationary first brake elements being mutually spaced apart along the metal bar outside the groove and each... | 02/07/1984 |
| 4405094 | Thread brake In a thread brake having two coaxial braking surface rings 2, 3 arranged in spaced relationship to one another and a capsule-shaped braking cartridge 7 whose hemispherical ends bear against the braking surface rings, to make it easier to thread a thread t... | 09/20/1983 |
| 4378096 | Tension control for top effect yarn An improved warp knit fabric that can serve as a base fabric for producing full weight, self-lined drapery material as well as sheer drapery material and the process and apparatus therefor. The base fabric is primarily comprised of three groups of yarns k... | 03/29/1983 |
| 4372502 | Adjustable thread tensioning device for a sewing machine A thread tensioning device for a sewing machine is provided with a rigid beam which pivots on an adjustable fulcrum in engagement with a mounting plate. The device includes an adjustable tension selector movable along the plate and beam for varying the te... | 02/08/1983 |
| 4338774 | Yarn brake A yarn brake for applying tension to a yarn at the entrance end of a tube as the yarn moves through the tube and which may be utilized in a hollow spindle assembly of a textile yarn processing machine, such as a two-for-one twister. The yarn brake include... | 07/13/1982 |
| 4324193 | Method for snubbing or restraining a cable A method for snubbing or restraining a cable. A cable is threaded through a sleeve which has brush bristle-like elements extending from the sleeve wall inwardly towards the center of the sleeve. The ends of the bristle-like elements are placed in contact ... | 04/13/1982 |
| 4313578 | Yarn tension control apparatus A yarn tension control apparatus for tensioning a running length of yarn such as textile yarns or the like, wherein a plurality of tensioning devices form a controlled channel and are controlled by an electronic control circuit having a manually adjustabl... | 02/02/1982 |
| 4302930 | Self-threading yarn brake mechanism The improved yarn brake mechanism of this invention is provided with a tubular brake housing having axially spaced apart inlet and outlet openings for passage of a yarn therethrough and an enlarged cavity formed in the tubular brake housing between the in... | 12/01/1981 |
| 4297834 | Yarn brake for a textile yarn processing machine The yarn brake of this invention is useful in a textile yarn processing machine, such as a two-for-one twister, and includes a stationary permanent magnet arranged at one end of a brake housing and spaced from a fixed braking surface in the direction of m... | 11/03/1981 |
| 4294417 | Static wire tensioner for coil winding machines A static wire tensioning device, of the kind comprising a pair of metal brake shoes between which the wire is clamped at a set pressure, the brake shoes being mounted on respective holders through means allowing to adjust the brake shoe surfaces in perfec... | 10/13/1981 |
| 4281508 | Yarn brake mechanism A yarn brake which may be utilized on a textile yarn processing machine, such as a two-for-one twister, for applying tension to a moving yarn and wherein a movable braking body is held in applied position against a braking surface and is separated therefr... | 08/04/1981 |
| 4274512 | Roving brake A roving brake having a pair of flat-bladed leaf springs extending toward one another into engagement at their ends in a mutually opposed relationship to pinch roving or cordage passing between the leaf springs. The leaf springs are attached to a mounting... | 06/23/1981 |
| 4274607 | Guide device for use in elongate filament dispensing package and the like A reusable guide device for use in guiding elongate filament such as wire from a coil contained within a package or carton, the guide device including a tubular guide member adapted to be inserted radially into the coil and having means for securing an ou... | 06/23/1981 |
| 4249580 | Weft control device An improved weft control device for shuttleless looms in which weft is drawn between a pair of friction plates mounted on individual post elements in a manner whereby their free ends are disposed in contiguous relation. The device provides a control lever... | 02/10/1981 |
| 4220274 | Device for feeding yarn in textile machines The device for feeding yarn in a textile machine comprises a set of feed driving rollers rotating at a speed exceeding the maximum yarn processing speed in the machine, a first yarn brake downstream of the driving rollers, a first swing support upstream o... | 09/02/1980 |
| 4086942 | Weft feed tensioning device in looms having a stationary weft supply A device for weft tensioning adjustment in weaving looms of the type having continuous weft feed, to be applied at the side of the loom. The device comprises - mounted on a single support - a pair of elastic resilient laminae, biased into mutual contact w... | 05/02/1978 |
| 4027705 | Strand-braking apparatus A strand advanceable from a supply spool to a weaving machine of the shuttleless type under variable tension is routed through an adjustable braking mechanism. The braking mechanism includes a flat guide plate along which the strand advances, the strand b... | 06/07/1977 |
| 3961762 | Wire drag unit A wire drag unit having a pair of relatively shiftable jaws. One jaw is mounted rigidly to a support and the other jaw is pivotally secured intermediate its ends to the support. The other jaw has a wire engaging a portion at one end and is provided with a... | 06/08/1976 |
| 3945184 | Self-threading yarn brake mechanism in a hollow spindle assembly of a textile yarn processing machine A textile yarn processing machine, such as a two-for-one twister and the like, having spindle assemblies for the processing of yarn and each including a carrier mechanism for carrying a pacakge of yarn to be withdrawn and processed and defining a passagew... | 03/23/1976 |
| 3937417 | Apparatus for tensioning yarn Yarn tensioning apparatus particularly suitable for receiving essentially tensionless yarn and giving it a generally uniform output tension level includes friction surfaces across which the yarn is drawn to progressively raise the tension level and work o... | 02/10/1976 |