Looking for breakthrough ideas for innovation challenges? Try Patsnap Eureka!

Cutting apparatus and method

A device, technique of guides, used in mortise recesses, devices for holes such as cylindrical cylinder pin lockholes or round handle shaft holes, devices for hinge notches or latch plate notches, and for cutting letterboxes on facades Equipment field of opening

Inactive Publication Date: 2009-12-23
W S NORMAN ENG IOM
View PDF2 Cites 19 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The disadvantage of this guide is that it leaves a curved tip around the edge of the drilled hole which must be removed with a chisel at the end

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • Cutting apparatus and method
  • Cutting apparatus and method
  • Cutting apparatus and method

Examples

Experimental program
Comparison scheme
Effect test

no. 1 example

[0087] The carrier 80 has a bearing block 150 that fits within a bearing block hole 160 of the carrier 80 . The bearing block 150 has a through axial hole through which the drill bit 200 can pass. According to a first embodiment, the bore is lined with a pair of low-friction bushings 159 which grip the inner surface of the bearing block 150 tightly. In a variant of the first embodiment, the bushing is glued inside the hole. A drill bit inserted through the bore is slidably rotated relative to the bushing.

[0088] The bearing block 150 is oriented so that, in use, the axis of rotation of the drill head 200 is substantially normal to the slide bar 70 and transverse to the slide rails 20,30. The bearing block is located between the rack 60 and the slide bar 70 .

[0089] Liners are made of porous metal materials such as sintered (e.g., Oilite TM Bearings) made of self-lubricating materials. In some embodiments, the bushing is made of a low friction plastic material such as ...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

PUM

PropertyMeasurementUnit
Cone angleaaaaaaaaaa
Cone angleaaaaaaaaaa
Login to View More

Abstract

An apparatus for use in cutting a mortice pocket in a leading edge of a door in-situ, the apparatus comprising: at least one elongate guide means (60, 70); clamping means (22) for clamping the elongate guide means to a door (300) or other workpiece; a drill guide means mounted on the elongate guide means; and translating means (20, 30); wherein the drill guide means comprises a bearing block (150) and a saddle member(80), the saddle member(80) having a bearing block aperture (160) formed therethrough arranged to releasably receive the bearing block therein, the bearing block (150) having a hole therethrough adapted snugly to receive a drill shaft (200) such that the drill shaft is supported, directly or indirectly, by the bearings of the bearing block and is rotatable therein, and wherein at least one of the bearing block aperture (160) and the bearing block (150) is tapered.

Description

technical field [0001] The invention relates to an apparatus for cutting workpieces. In particular, but not exclusively, the present invention relates to apparatus for cutting mortise pockets, hinge notches or latch plate notches in vertical edges of doors. The invention also relates to apparatus for cutting holes such as cylindrical cylinder lock holes or round handle shaft holes in doors. The invention also relates to an apparatus for cutting openings for letterboxes in facades. Background technique [0002] Cutting a mortise or front panel notch in a door edge, or cutting hinge sockets, or cutting a cylindrical hole in a door face can be challenging tasks even for skilled workers. The problem is particularly acute if the cutting is done in situ, for example when installing a lock on a door that is already hung on the door. Mistakes in gouging or machining can render the entire door useless and have to be replaced. [0003] GB2238749 discloses a jig for cutting mortise...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

Application Information

Patent Timeline
no application Login to View More
IPC IPC(8): B27F5/12B23B49/02B23B47/28B25H1/00
CPCB23B2247/12B27G13/002B27F5/12B23B49/023B23B47/287
Inventor H·G·奥斯本
Owner W S NORMAN ENG IOM
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Patsnap Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Patsnap Eureka Blog
Learn More
PatSnap group products

Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic, Popular Technical Reports.

© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap|About US| Contact US: help@patsnap.com