GB578027A - Improvements in or relating to rubbing, sanding, or polishing machine - Google Patents

Improvements in or relating to rubbing, sanding, or polishing machine

Info

Publication number
GB578027A
GB578027A GB8154/44A GB815444A GB578027A GB 578027 A GB578027 A GB 578027A GB 8154/44 A GB8154/44 A GB 8154/44A GB 815444 A GB815444 A GB 815444A GB 578027 A GB578027 A GB 578027A
Authority
GB
United Kingdom
Prior art keywords
head
pad
plate
sanding
counterpoise
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
GB8154/44A
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
STERLING TOOL PRODUCTS Co
Original Assignee
STERLING TOOL PRODUCTS Co
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by STERLING TOOL PRODUCTS Co filed Critical STERLING TOOL PRODUCTS Co
Publication of GB578027A publication Critical patent/GB578027A/en
Expired legal-status Critical Current

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B24GRINDING; POLISHING
    • B24BMACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B23/00Portable grinding machines, e.g. hand-guided; Accessories therefor
    • B24B23/04Portable grinding machines, e.g. hand-guided; Accessories therefor with oscillating grinding tools; Accessories therefor
    • B24B23/046Clamping or tensioning means for abrasive sheets

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)

Abstract

578,027. Sanding &c. machines. STERLING TOOL PRODUCTS CO. May 1, 1944, No. 8154. Convention date, Oct. 4, 1943. [Class 60] A rubbing, sanding or polishing machine, in which the sanding &c. pad has an orbital movement, has a counterpoise mounted adjacent the pad and given also an orbital movement whereby vibration is reduced. The machine comprises a housing frame A, Fig. 3, with a handle A<1> and a cap A<2>, a hinged grill A<3> for holding a filter panel A4 in position, an electric motor B with switch B<1>, a counterpoise C and a driving-head D carrying the sanding &c. pad E. The housing A carries the motor B, through which air is blown to slots in the cap A<2> by a fan 23, the ingoing air being filtered by the panel A<4> comprising a thin porous fibrous sheet 26 between metal screens 27, the panel being held in an opening in the frame by the grill door A<3>, hinged at 24 and held closed by a spring 25. Wiring 21 leads to the motor B through a switch B<1> on the handle A<1> and the motor shaft has at its lower end a gear 33, which drives a gear 34 driving an idler gear 35 ; the gear 35 drives gears 36-38, Fig. 9, the gears 37, 38 being splined to crankshafts 39, 40 which impart orbited movements to the drive head D, and similarly the gears 34, 36 impart orbital movement, 180 degrees out of phase with the movement of the head D, to the counterpoise C. The crankshafts are journalled by antifriction bearings in a top bearing plate 43 and in a centre bearing plate 45 secured to the housing A by screw 46, and the plate 43 carries an oil reservoir 47. The counterpoise C makes contact with the plate 45 and with the drive head D through thrust ball bearings, and the head D is supported by stirrup portions 51 depending from the plate 45 and having ball bearing sockets 51a to support cross-bars 52 secured to the head D by screws 53 ; a rubber sleeve 54 is cemented to the margin of the plate 45 and head D and extends at 54a into contact with the housing wall, thereby excluding dust from the driving mechanism. The sanding &c. pad E is carried by the head D so as to allow of slight flexing to suit a curved surface ; for this purpose the head D has therein inserts provided with nibs 56 and part-spherical recesses, and the pad E has a thin steel backing plate 58 having dome shaped detents 59 to engage the recesses in the inserts, and carrying a slidable member 61, Fig. 16, provided with flexible fingers 57 to engage under the nibs 56. The plate 58 has cemented thereto a felt pad 65 and over this is placed a sheet of fabric, sandpaper &c., which is gripped at its bent over ends and tensioned by rotatable tumblers 68 acted upon by spring keepers 66 ; one such tensioning &c. device only may be used, a clamp being used at the opposite end of the pad.
GB8154/44A 1943-10-04 1944-05-01 Improvements in or relating to rubbing, sanding, or polishing machine Expired GB578027A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US578027XA 1943-10-04 1943-10-04

Publications (1)

Publication Number Publication Date
GB578027A true GB578027A (en) 1946-06-12

Family

ID=22012844

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8154/44A Expired GB578027A (en) 1943-10-04 1944-05-01 Improvements in or relating to rubbing, sanding, or polishing machine

Country Status (1)

Country Link
GB (1) GB578027A (en)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2529497A1 (en) * 1982-07-02 1984-01-06 Black & Decker Inc Base plate of orbital sander
GB2277118A (en) * 1993-04-16 1994-10-19 William Edmund Carroll Fastening of flexible sheet material to a tool.
EP2098332A1 (en) * 2008-03-03 2009-09-09 Black & Decker, Inc. Low height quarter sheet sander
CN108115533A (en) * 2017-12-18 2018-06-05 巢湖云海镁业有限公司 A kind of magnesium alloy ingot automatic polishing system
CN108747636A (en) * 2018-07-04 2018-11-06 天津亚源泰钢管有限公司 A kind of steel pipe processing grinding device
CN114800187A (en) * 2022-04-13 2022-07-29 黄荣 Curved surface polishing machine

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2529497A1 (en) * 1982-07-02 1984-01-06 Black & Decker Inc Base plate of orbital sander
GB2277118A (en) * 1993-04-16 1994-10-19 William Edmund Carroll Fastening of flexible sheet material to a tool.
GB2277118B (en) * 1993-04-16 1996-01-03 William Edmund Carroll Tool
EP2098332A1 (en) * 2008-03-03 2009-09-09 Black & Decker, Inc. Low height quarter sheet sander
US8231437B2 (en) 2008-03-03 2012-07-31 Black & Decker Inc. Low height quarter sheet sander
US8435097B2 (en) 2008-03-03 2013-05-07 Black & Decker Inc. Low height quarter sheet sander
US10179387B2 (en) 2008-03-03 2019-01-15 Black & Decker Inc. Low height quarter sheet sander
CN108115533A (en) * 2017-12-18 2018-06-05 巢湖云海镁业有限公司 A kind of magnesium alloy ingot automatic polishing system
CN108747636A (en) * 2018-07-04 2018-11-06 天津亚源泰钢管有限公司 A kind of steel pipe processing grinding device
CN114800187A (en) * 2022-04-13 2022-07-29 黄荣 Curved surface polishing machine

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