Class 144/247 - Spring pressed

Subclass of Class 144 - Woodworking
Definition: Feed-roll held to the work by means of resilient support
No. of patents: 25
Last issue date: 07/17/2007

Number	Title	Issue Date
7243693	Log debarking machine and method A log debarking machine includes a rotary cutter head on a debarking arm. The arm is pivotally mounted on a car so that the head engages a rotating log. The weight of the arm is supported by an elastomer spring to improve debarking engagement between the head and th...	07/17/2007
7140089	Processor-controlled carving and multi-purpose shaping device One embodiment of the present invention is a compact, low-cost, lightweight, versatile and easy-to-operate, processor-controlled carving and multi-purpose shaping device (“PCCMPS machine”). The PCCMPS machine that represents one embodiment of the present inventi...	11/28/2006
6705455	Feeding roller adapted for feeding a workpiece on a worktable A feeding roller includes a hub member mounted to rotate with a driven shaft, a plurality of angularly displaced anchored seat members disposed on a surrounding outer wall of the hub member and defining anchored areas, a surrounding workpiece contacting member surro...	03/16/2004
6405769	Material-recovery apparatus Material-recovery apparatus for obtaining usable, uniformly-dimensioned blanks from scrap. Apparatus is small, and economical in manufacture and operation, using only a single lifting jack and vertical support unit to support the tool-and-feed-roller hous...	06/18/2002
6128989	Sawing apparatus A sawing apparatus comprises a base structure including bed rolls defining a horizontal bed plane for supporting a workpiece, a saw arbor carrying at least one saw for rotation about the central axis of the saw arbor, and a carriage supporting the saw arb...	10/10/2000
6065513	Grapple of a tree harvesting machine In the grapple of a tree harvesting machine, the feeding means (14, 15) and/or delimbing means (1, 2) are pairwise coupled in a way that the movement of the actuator (6) is transmitted to one swinging arm (5) of the pair directly and to the other one by m...	05/23/2000
5988230	Dual chamber dispensing cartridge refilling device A device for consolidating compositions contained in partially filled dual chamber dispensing cartridges includes a body having a pair of passages, and first and second couplers for connecting the body to first and second dual chamber dispensing cartridge...	11/23/1999
5799854	Workpiece feeding machine A workpiece feeding device includes a housing with a vertical support wall which has shaft mounting sleeves. First shafts extend horizontally and respectively through the sleeves. Two bearings are provided in two ends of each sleeve between the first shaf...	09/01/1998
5692549	Feed rollers for chipper A chipper for chipping wood material has first and second feed rollers at an inlet. The first and second feed rollers are secured to a frame of the chipper with the axes of the feed rollers being parallel and spaced apart. The first and second feed roller...	12/02/1997
5389060	Notching machine for cardboards The present invention relates to a cardboard notching machine which mainly consists of a body, a transmission group, a roller group, an adjustment group, and a forming group. The roller group is driven by the transmission group so as to feed in cardboards...	02/14/1995
5373880	Method of continuously processing chopsticks as well as an apparatus for carrying out the method A method of continuously processing chopsticks (35), the outer shape of which is defined by two mutually parallel surfaces and two opposing, plane, oblique surfaces (5, 6) inclining towards one another by the same inclination seen relative to a common pla...	12/20/1994
5284192	Automatic planing machine An automatic planning machine for cutting a surface of a workpiece which includes: a base portion on which the workpiece is to be laid; a feeding device for feeding the workpiece; a rotatable cutter block arranged on one side of the base portion with a ro...	02/08/1994
5176190	Automatic planing machine An automatic planing machine has two feed rollers on one side of the machine and a stool for holding two pressure rollers which are pressed toward the feed rollers with a pressure force smaller than a pressure force of the feed rollers. The machine has a ...	01/05/1993
5174348	Automatic planning machine An automatic planning machine has a vertical stationary stool functioning to cut a workpiece flatly and a vertical movable stool opposed to the stationary stool. The stationary stool has a plurality of feed rollers while the movable stool has a plurality ...	12/29/1992
5123464	Table saw power feed A board pulling device for use with a powered table saw or similar woodworking tool. The puller is readily removable and attachable to most similar tools and uses a novel springing roller to hold the work piece against the pulling roller. The puller is mo...	06/23/1992
4989653	Edging apparatus An edging apparatus is provided which permits fast, efficient edging of materials, such a plexiglass, masonite or wood, on a horizontal plane. The edging apparatus includes a material support surface, a motor and cutter, a fence and an automatic feed asse...	02/05/1991
4976298	Anti-kickback hold down device An anti-kickback and hold down device having provision for mounting on and removal from a saw availed of for ripping material, primarily wood, and including a spring pressed wheel to engage the material being ripped, thus enabling ripping of wood of widel...	12/11/1990
4696392	Cage roll assembly An anti-toggling, constant-contact cage roll assembly is provided for movement of corrugated box blanks along a belt. In one embodiment, the cage roll assembly includes a series of four rollers that are mounted to a bar spring-biased away from a frame, in...	09/29/1987
4662413	Feed mechanism for woodworking machinery A roller (10) drives a workpiece (not shown, but to the right) along a fence. An electric motor (16) rotates the roller (10) through chains (18, 19) and a double sprocket (20) freely rotatable on an upright shaft (22). The roller (10) is rotatable in rela...	05/05/1987
4594815	Abrasive surfacer A machine for simultaneously surfacing the opposite faces of workpieces with abrasive belts wider than the workpieces, which includes mechanism for feeding workpieces of different thicknesses simultaneously, and centering mechanism for engaging the surfac...	06/17/1986
4583576	Means for feeding a tree trunk A device for feeding a tree trunk with lateral and vertical centering into a machine processing round timber. Heretofore, the feeding of the log into the machine has taken place manually, which is exceedingly heavy work. The invention comprises a feed gut...	04/22/1986
4499933	Manual work-feeding device and guard body for shaping machines A manual work-feeding device and guard body for a shaping machine. The device provides direct access to the cutting tool and further provides for in-process visual inspection while protecting the operator from injury....	02/19/1985
4325421	Method and apparatus for cutting and trimming shingles A method and apparatuses are disclosed for making shingles. The method consists of clampingly holding a block of material to be cut and conveying such block while it is clamped along a selected path through the clamping mechanism and causing relative move...	04/20/1982
4078592	Log feed mechanism for sawmills A log feed mechanism that will longitudinally move successive logs toward the cutting and/or chipping mechanisms of a sawmill while holding the successive logs along a prescribed path of movement such that the successive logs may be efficiently sawed into...	03/14/1978
4078590	Whole tree reducing apparatus An apparatus for reducing whole trees having attached limbs and branches to chips wherein a power driven disc chipper is mounted on a frame and a tree or brush feeding and conditioning mechanism is driven at a coordinated feeding speed for feeding trees a...	03/14/1978

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Class 144/247 - Spring pressed