GB422763A - Improvements in or relating to machinery guards and protectors - Google Patents

Improvements in or relating to machinery guards and protectors

Info

Publication number
GB422763A
GB422763A GB1745734A GB1745734A GB422763A GB 422763 A GB422763 A GB 422763A GB 1745734 A GB1745734 A GB 1745734A GB 1745734 A GB1745734 A GB 1745734A GB 422763 A GB422763 A GB 422763A
Authority
GB
United Kingdom
Prior art keywords
carrier
guard
blades
iii
abutments
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
GB1745734A
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.)
Thos W Ward Ltd
Original Assignee
Thos W Ward Ltd
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 Thos W Ward Ltd filed Critical Thos W Ward Ltd
Priority to GB1745734A priority Critical patent/GB422763A/en
Publication of GB422763A publication Critical patent/GB422763A/en
Expired legal-status Critical Current

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16PSAFETY DEVICES IN GENERAL; SAFETY DEVICES FOR PRESSES
    • F16P3/00Safety devices acting in conjunction with the control or operation of a machine; Control arrangements requiring the simultaneous use of two or more parts of the body
    • F16P3/08Safety devices acting in conjunction with the control or operation of a machine; Control arrangements requiring the simultaneous use of two or more parts of the body in connection with the locking of doors, covers, guards, or like members giving access to moving machine parts
    • AHUMAN NECESSITIES
    • A47FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47JKITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
    • A47J42/00Coffee mills; Spice mills
    • A47J42/38Parts or details
    • A47J42/56Safety devices

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Food Science & Technology (AREA)
  • Current-Collector Devices For Electrically Propelled Vehicles (AREA)
  • Sealing Devices (AREA)

Abstract

422,763. Machinery guards. WARD, Ltd., T. W., and ELLIOTT, F., Albion Works, Savile Street, Sheffield. June 13, 1934, No. 17457. [Class 80 (iv)] In machines, such as meat choppers, in which a rotary shaft fitted with blades is journalled on a carrier 5 hinged at 8 to the frame, a guard 21 is hinged at 20 to the carrier and has an abutment 23 which coacts with an abutment 24 on the frame to ensure that the guard can only be opened when the carrier is raised into inoperative position, Fig. III. The act of raising the carrier separates the abutments as shown in Fig. III so that the guard 21 can be moved to the left to expose the blades. The shaft 10 is driven when horizontal through an axially movable dog-clutch, and when the shaft is raised the clutch cannot be engaged. If the guard in Fig. III be turned to expose the blades and the carrier be moved to the right, the motion of the carrier is soon stopped by the abutments though with different contacting places.
GB1745734A 1934-06-13 1934-06-13 Improvements in or relating to machinery guards and protectors Expired GB422763A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB1745734A GB422763A (en) 1934-06-13 1934-06-13 Improvements in or relating to machinery guards and protectors

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1745734A GB422763A (en) 1934-06-13 1934-06-13 Improvements in or relating to machinery guards and protectors

Publications (1)

Publication Number Publication Date
GB422763A true GB422763A (en) 1935-01-17

Family

ID=10095507

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1745734A Expired GB422763A (en) 1934-06-13 1934-06-13 Improvements in or relating to machinery guards and protectors

Country Status (1)

Country Link
GB (1) GB422763A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2655067A (en) * 1947-12-24 1953-10-13 Bechler Andre Guard device for machine tools

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2655067A (en) * 1947-12-24 1953-10-13 Bechler Andre Guard device for machine tools

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